#102B4D#102B4D

#102B4D is a dark, moderate cyan. Relative luminance 0.024; OKLCH L 28.8% C 0.071 H 255.5°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#102B4D
RGB	rgb(16, 43, 77)
HSL	hsl(213, 66%, 18%)
HSV	hsv(213, 79%, 30%)
CMYK	cmyk(79.2%, 44.2%, 0%, 69.8%)
CIE-LAB	lab(17.34, 3.33, -23.96)
CIE-LCH	lch(17.34, 24.19, 277.92°)
OKLab	oklab(28.82% -0.0176 -0.0683)
OKLCH	oklch(28.82% 0.071 255.5)
XYZ	xyz(2.4166, 2.3735, 7.3505)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102B4D #4D3210

analogous

#10494D #102B4D #14104D

triadic

#102B4D #4D102B #2B4D10

tetradic

#102B4D #4D1049 #4D3210 #104D14

square

#102B4D #4D1049 #4D3210 #104D14

split-complementary

#102B4D #4D1410 #494D10

monochromatic

#050E19 #050F1A #102B4D #1B4780 #2564B2

Accessibility & contrast

On white

14.24

#102B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#102B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102B4D

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102B4D	#FFFFFF	#000000	##FFFFFF
##102B4D	1.00	14.24	1.47	14.24
#FFFFFF	14.24	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B2E4E

Deuteranopia (green-blind)

#11284C

Tritanopia (blue-blind)

#003338

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #102b4d;
/* rgb */ color: rgb(16, 43, 77);
/* oklch */ color: oklch(28.8% 0.071 255.5);

Tailwind

colors: {
  custom: {
    50: '#58637f',
    500: '#102b4d',
    950: '#000000',
  },
}

SCSS

$custom: #102b4d;
$custom-light: #58637f;
$custom-dark: #000000;

JSON

{
  "hex": "#102b4d",
  "rgb": {
    "r": 16,
    "g": 43,
    "b": 77
  },
  "hsl": {
    "h": 213.443,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28816,
    "c": 0.07059,
    "h": 255.5
  },
  "luminance": 0.02374
}

Semantic roles & 50–950 ramp

primary

#102B4D

secondary

#876132

accent

#9E3FE9

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #102B4D

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

Preview Lab → · Contrast checker → · Palette generator →