Information about #10303D color

#10303D color image

Basic facts about this digital color

#10303D falls into the Azure Color FamilyModerate Saturation, Dark brightness. The mix behind it: rgb(16, 48, 61) — 6.3% red, 18.8% green, 23.9% blue; the print equivalent is CMYK 18 / 5 / 0 / 76. Curious how these numbers work? Read our RGB color codes guide.

A confidently colored azure, #10303D leans clearly toward the dark side. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Billabong (#173141). Its next-closest registered neighbors are Loch Ness (#072F37) and Tobias Blue (#0C2C47).

In RGB terms — rgb(16, 48, 61) — the blue channel does the heavy lifting here. Accessibility-wise, white text works best on #10303D: 13.9:1 contrast (passing WCAG AAA) versus 1.5:1 for black. For print, note the heavy black component (K:76) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #10303D is still unnamed — it can be claimed and named in The Official Register of Color Names.

#10303D color variations

View this color variations of tints, shades, tones and hues.

#10303D color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes

Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme

Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

Nearest named colors to #10303D

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Billabong color link
Billabong

#173141

Loch Ness color link
Loch Ness

#072F37

Tobias Blue color link
Tobias Blue

#0C2C47

City Limits color link
City Limits

#0C3A37

Titans Navy color link
Titans Navy

#0C2340

ORPIN BLUE color link
ORPIN BLUE

#122B4A

Yankees Blue color link
Yankees Blue

#1C2841

Regatta color link
Regatta

#192C49

Nordic color link
Nordic

#1D393C

Barometer color link
Barometer

#11394C

Magnum color link
Magnum

#112331

Conversions between color systems and etc.

  • HEX#10303D
  • RGB16, 48, 61
  • CMYK18, 5, 0, 76
  • CSSrgb(16, 48, 61)
  • HSL197°, 58%, 15%
  • HSL Precise197.333°, 58.442%, 15.098%
  • HSV197°, 74%, 24%
  • HSB197°, 74%, 24%
  • Normalized R (0.0–1.0)0.063
  • Normalized G (0.0–1.0)0.188
  • Normalized B (0.0–1.0)0.239
  • GLSLvec3(0.063, 0.188, 0.239)
  • GLSL with alphavec4(0.063, 0.188, 0.239, 1.000)
  • HLSL / Metalfloat3(0.063, 0.188, 0.239)
  • Percentage of Red in RGB6.3%
  • Percentage of Green in RGB18.8%
  • Percentage of Blue in RGB23.9%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID10303D
  • DECIMAL ID1060925
  • Name LengthThis color has no name
  • Seen by search & AI crawlers21 times
  • Counting from2025-01-01