#103C4B#103C4B

#103C4B is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.054 H 224.8°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX#103C4B
RGBrgb(16, 60, 75)
HSLhsl(195, 65%, 18%)
HSVhsv(195, 79%, 29%)
CMYKcmyk(78.7%, 20%, 0%, 70.6%)
CIE-LABlab(23.17, -9.09, -13.48)
CIE-LCHlch(23.17, 16.26, 236.00°)
OKLaboklab(33.39% -0.038 -0.0377)
OKLCHoklch(33.39% 0.054 224.8)
XYZxyz(3.0990, 3.8495, 7.2350)
Luminance0.0385 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103C4B #4B1F10
analogous
#104B3C #103C4B #101F4B
triadic
#103C4B #4B103C #3C4B10
tetradic
#103C4B #3C104B #4B1F10 #1F4B10
square
#103C4B #3C104B #4B1F10 #1F4B10
split-complementary
#103C4B #4B101F #4B3C10
monochromatic
#051419 #051419 #103C4B #1B647D #268DB0

Accessibility & contrast

On white

11.86
#103C4B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.77
#103C4B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103C4B
11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103C4B#FFFFFF#000000##FFFFFF
##103C4B1.0011.861.7711.86
#FFFFFF11.861.0021.001.00
#0000001.7721.001.0021.00
##FFFFFF11.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#343B4C
Deuteranopia (green-blind)
#2C354B
Tritanopia (blue-blind)
#004041
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #103c4b;
/* rgb */ color: rgb(16, 60, 75);
/* oklch */ color: oklch(33.4% 0.054 224.8);
Tailwind
colors: {
  custom: {
    50: '#58717d',
    500: '#103c4b',
    950: '#000000',
  },
}
SCSS
$custom: #103c4b;
$custom-light: #58717d;
$custom-dark: #000000;
JSON
{
  "hex": "#103c4b",
  "rgb": {
    "r": 16,
    "g": 60,
    "b": 75
  },
  "hsl": {
    "h": 195.254,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.33389,
    "c": 0.05354,
    "h": 224.8
  },
  "luminance": 0.0385
}

Semantic roles & 50–950 ramp

primary
#103C4B
secondary
#854732
accent
#6B40E8
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#040709
muted
#797A7B

Preview Lab

Preview with #103C4B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#103C4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva