#102E4D#102E4D

#102E4D is a dark, moderate cyan. Relative luminance 0.026; OKLCH L 29.6% C 0.067 H 251.7°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#102E4D
RGB	rgb(16, 46, 77)
HSL	hsl(210, 66%, 18%)
HSV	hsv(210, 79%, 30%)
CMYK	cmyk(79.2%, 40.3%, 0%, 69.8%)
CIE-LAB	lab(18.36, 1.17, -22.33)
CIE-LCH	lch(18.36, 22.36, 272.99°)
OKLab	oklab(29.62% -0.021 -0.0635)
OKLCH	oklch(29.62% 0.067 251.7)
XYZ	xyz(2.5297, 2.5997, 7.3882)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102E4D #4D2F10

analogous

#104C4D #102E4D #11104D

triadic

#102E4D #4D102E #2E4D10

tetradic

#102E4D #4D104C #4D2F10 #104D11

square

#102E4D #4D104C #4D2F10 #104D11

split-complementary

#102E4D #4D1110 #4C4D10

monochromatic

#050F19 #05101A #102E4D #1B4C80 #256BB2

Accessibility & contrast

On white

13.82

#102E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#102E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102E4D

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102E4D	#FFFFFF	#000000	##FFFFFF
##102E4D	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20304E

Deuteranopia (green-blind)

#172A4C

Tritanopia (blue-blind)

#003539

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102e4d;
/* rgb */ color: rgb(16, 46, 77);
/* oklch */ color: oklch(29.6% 0.067 251.7);

Tailwind

colors: {
  custom: {
    50: '#57667f',
    500: '#102e4d',
    950: '#000000',
  },
}

SCSS

$custom: #102e4d;
$custom-light: #57667f;
$custom-dark: #000000;

JSON

{
  "hex": "#102e4d",
  "rgb": {
    "r": 16,
    "g": 46,
    "b": 77
  },
  "hsl": {
    "h": 210.492,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.29618,
    "c": 0.06689,
    "h": 251.7
  },
  "luminance": 0.026
}

Semantic roles & 50–950 ramp

primary

#102E4D

secondary

#875D32

accent

#953FE9

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #102E4D

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

Preview Lab → · Contrast checker → · Palette generator →