#102E4C#102E4C

#102E4C is a dark, moderate cyan. Relative luminance 0.026; OKLCH L 29.5% C 0.065 H 251.0°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#102E4C
RGB	rgb(16, 46, 76)
HSL	hsl(210, 65%, 18%)
HSV	hsv(210, 79%, 30%)
CMYK	cmyk(78.9%, 39.5%, 0%, 70.2%)
CIE-LAB	lab(18.30, 0.74, -21.75)
CIE-LCH	lch(18.30, 21.76, 271.95°)
OKLab	oklab(29.55% -0.0213 -0.0618)
OKLCH	oklch(29.55% 0.065 251)
XYZ	xyz(2.4947, 2.5857, 7.2037)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102E4C #4C2E10

analogous

#104C4C #102E4C #10104C

triadic

#102E4C #4C102E #2E4C10

tetradic

#102E4C #4C104C #4C2E10 #104C10

square

#102E4C #4C104C #4C2E10 #104C10

split-complementary

#102E4C #4C1010 #4C4C10

monochromatic

#050F19 #050F19 #102E4C #1B4D7F #256BB1

Accessibility & contrast

On white

13.84

#102E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#102E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102E4C

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102E4C	#FFFFFF	#000000	##FFFFFF
##102E4C	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20304D

Deuteranopia (green-blind)

#182A4B

Tritanopia (blue-blind)

#003539

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102e4c;
/* rgb */ color: rgb(16, 46, 76);
/* oklch */ color: oklch(29.5% 0.065 251.0);

Tailwind

colors: {
  custom: {
    50: '#57667e',
    500: '#102e4c',
    950: '#000000',
  },
}

SCSS

$custom: #102e4c;
$custom-light: #57667e;
$custom-dark: #000000;

JSON

{
  "hex": "#102e4c",
  "rgb": {
    "r": 16,
    "g": 46,
    "b": 76
  },
  "hsl": {
    "h": 210,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.29549,
    "c": 0.06538,
    "h": 251
  },
  "luminance": 0.02586
}

Semantic roles & 50–950 ramp

primary

#102E4C

secondary

#865C32

accent

#9440E8

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#03050A

muted

#787A7C

Preview Lab

Preview with #102E4C

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

Preview Lab → · Contrast checker → · Palette generator →