#103D4A#103D4A

#103D4A is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.053 H 221.0°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#103D4A
RGB	rgb(16, 61, 74)
HSL	hsl(193, 64%, 18%)
HSV	hsv(193, 78%, 29%)
CMYK	cmyk(78.4%, 17.6%, 0%, 71%)
CIE-LAB	lab(23.48, -10.10, -12.34)
CIE-LCH	lch(23.48, 15.95, 230.68°)
OKLab	oklab(33.62% -0.0396 -0.0344)
OKLCH	oklch(33.62% 0.053 221)
XYZ	xyz(3.1179, 3.9417, 7.0737)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103D4A #4A1D10

analogous

#104A3A #103D4A #10204A

triadic

#103D4A #4A103D #3D4A10

tetradic

#103D4A #3A104A #4A1D10 #204A10

square

#103D4A #3A104A #4A1D10 #204A10

split-complementary

#103D4A #4A1020 #4A3A10

monochromatic

#051519 #051519 #103D4A #1B667C #2690AF

Accessibility & contrast

On white

11.74

#103D4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#103D4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D4A

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103D4A	#FFFFFF	#000000	##FFFFFF
##103D4A	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353B4B

Deuteranopia (green-blind)

#2D354A

Tritanopia (blue-blind)

#004141

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #103d4a;
/* rgb */ color: rgb(16, 61, 74);
/* oklch */ color: oklch(33.6% 0.053 221.0);

Tailwind

colors: {
  custom: {
    50: '#58727c',
    500: '#103d4a',
    950: '#000000',
  },
}

SCSS

$custom: #103d4a;
$custom-light: #58727c;
$custom-dark: #000000;

JSON

{
  "hex": "#103d4a",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 74
  },
  "hsl": {
    "h": 193.448,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.33623,
    "c": 0.05253,
    "h": 221
  },
  "luminance": 0.03942
}

Semantic roles & 50–950 ramp

primary

#103D4A

secondary

#844432

accent

#6640E7

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #103D4A

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

Preview Lab → · Contrast checker → · Palette generator →