#102D4D#102D4D

#102D4D is a dark, moderate cyan. Relative luminance 0.025; OKLCH L 29.3% C 0.068 H 253.1°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#102D4D
RGB	rgb(16, 45, 77)
HSL	hsl(211, 66%, 18%)
HSV	hsv(211, 79%, 30%)
CMYK	cmyk(79.2%, 41.6%, 0%, 69.8%)
CIE-LAB	lab(18.02, 1.88, -22.87)
CIE-LCH	lch(18.02, 22.95, 274.71°)
OKLab	oklab(29.35% -0.0198 -0.0651)
OKLCH	oklch(29.35% 0.068 253.1)
XYZ	xyz(2.4911, 2.5225, 7.3753)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102D4D #4D3010

analogous

#104B4D #102D4D #11104D

triadic

#102D4D #4D102D #2D4D10

tetradic

#102D4D #4D104B #4D3010 #104D11

square

#102D4D #4D104B #4D3010 #104D11

split-complementary

#102D4D #4D1110 #4B4D10

monochromatic

#050F19 #050F1A #102D4D #1B4B80 #2568B2

Accessibility & contrast

On white

13.96

#102D4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#102D4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102D4D

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102D4D	#FFFFFF	#000000	##FFFFFF
##102D4D	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2F4E

Deuteranopia (green-blind)

#15294C

Tritanopia (blue-blind)

#003539

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #102d4d;
/* rgb */ color: rgb(16, 45, 77);
/* oklch */ color: oklch(29.3% 0.068 253.1);

Tailwind

colors: {
  custom: {
    50: '#57657f',
    500: '#102d4d',
    950: '#000000',
  },
}

SCSS

$custom: #102d4d;
$custom-light: #57657f;
$custom-dark: #000000;

JSON

{
  "hex": "#102d4d",
  "rgb": {
    "r": 16,
    "g": 45,
    "b": 77
  },
  "hsl": {
    "h": 211.475,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.29349,
    "c": 0.06809,
    "h": 253.1
  },
  "luminance": 0.02523
}

Semantic roles & 50–950 ramp

primary

#102D4D

secondary

#875E32

accent

#983FE9

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #102D4D

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

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