#102B4C#102B4C

#102B4C is a dark, moderate cyan. Relative luminance 0.024; OKLCH L 28.7% C 0.069 H 255.0°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#102B4C
RGB	rgb(16, 43, 76)
HSL	hsl(213, 65%, 18%)
HSV	hsv(213, 79%, 30%)
CMYK	cmyk(78.9%, 43.4%, 0%, 70.2%)
CIE-LAB	lab(17.27, 2.90, -23.39)
CIE-LCH	lch(17.27, 23.56, 277.08°)
OKLab	oklab(28.74% -0.0179 -0.0667)
OKLCH	oklch(28.74% 0.069 255)
XYZ	xyz(2.3816, 2.3595, 7.1660)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102B4C #4C3110

analogous

#10494C #102B4C #13104C

triadic

#102B4C #4C102B #2B4C10

tetradic

#102B4C #4C1049 #4C3110 #104C13

square

#102B4C #4C1049 #4C3110 #104C13

split-complementary

#102B4C #4C1310 #494C10

monochromatic

#050E19 #050E19 #102B4C #1B487F #2564B1

Accessibility & contrast

On white

14.27

#102B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#102B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102B4C

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102B4C	#FFFFFF	#000000	##FFFFFF
##102B4C	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C2D4D

Deuteranopia (green-blind)

#12284B

Tritanopia (blue-blind)

#003337

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #102b4c;
/* rgb */ color: rgb(16, 43, 76);
/* oklch */ color: oklch(28.7% 0.069 255.0);

Tailwind

colors: {
  custom: {
    50: '#57637e',
    500: '#102b4c',
    950: '#000000',
  },
}

SCSS

$custom: #102b4c;
$custom-light: #57637e;
$custom-dark: #000000;

JSON

{
  "hex": "#102b4c",
  "rgb": {
    "r": 16,
    "g": 43,
    "b": 76
  },
  "hsl": {
    "h": 213,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28743,
    "c": 0.06903,
    "h": 255
  },
  "luminance": 0.0236
}

Semantic roles & 50–950 ramp

primary

#102B4C

secondary

#866032

accent

#9C40E8

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #102B4C

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

Preview Lab → · Contrast checker → · Palette generator →