#102858#102858

#102858 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.9% C 0.092 H 262.3°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#102858
RGB	rgb(16, 40, 88)
HSL	hsl(220, 69%, 20%)
HSV	hsv(220, 82%, 35%)
CMYK	cmyk(81.8%, 54.5%, 0%, 65.5%)
CIE-LAB	lab(17.14, 10.34, -31.68)
CIE-LCH	lch(17.14, 33.32, 288.07°)
OKLab	oklab(28.92% -0.0123 -0.0911)
OKLCH	oklch(28.92% 0.092 262.3)
XYZ	xyz(2.7333, 2.3320, 9.5367)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102858 #584010

analogous

#104C58 #102858 #1C1058

triadic

#102858 #581028 #285810

tetradic

#102858 #58104C #584010 #10581C

square

#102858 #58104C #584010 #10581C

split-complementary

#102858 #581C10 #4C5810

monochromatic

#050C1A #071024 #102858 #19408C #2357C0

Accessibility & contrast

On white

14.32

#102858 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#102858 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102858

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102858	#FFFFFF	#000000	##FFFFFF
##102858	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2E5A

Deuteranopia (green-blind)

#002757

Tritanopia (blue-blind)

#00343B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #102858;
/* rgb */ color: rgb(16, 40, 88);
/* oklch */ color: oklch(28.9% 0.092 262.3);

Tailwind

colors: {
  custom: {
    50: '#5b6187',
    500: '#102858',
    950: '#000000',
  },
}

SCSS

$custom: #102858;
$custom-light: #5b6187;
$custom-dark: #000000;

JSON

{
  "hex": "#102858",
  "rgb": {
    "r": 16,
    "g": 40,
    "b": 88
  },
  "hsl": {
    "h": 220,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.28921,
    "c": 0.09195,
    "h": 262.3
  },
  "luminance": 0.02332
}

Semantic roles & 50–950 ramp

primary

#102858

secondary

#917232

accent

#B13CEC

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #102858

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

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