#102859#102859

#102859 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.0% C 0.094 H 262.5°. Best body text is #FFFFFF at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#102859
RGB	rgb(16, 40, 89)
HSL	hsl(220, 70%, 21%)
HSV	hsv(220, 82%, 35%)
CMYK	cmyk(82%, 55.1%, 0%, 65.1%)
CIE-LAB	lab(17.22, 10.77, -32.22)
CIE-LCH	lch(17.22, 33.97, 288.48°)
OKLab	oklab(29.01% -0.0122 -0.0927)
OKLCH	oklch(29.01% 0.094 262.5)
XYZ	xyz(2.7750, 2.3487, 9.7563)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102859 #594110

analogous

#104C59 #102859 #1C1059

triadic

#102859 #591028 #285910

tetradic

#102859 #59104C #594110 #10591C

square

#102859 #59104C #594110 #10591C

split-complementary

#102859 #591C10 #4C5910

monochromatic

#050C1A #071125 #102859 #193F8D #2357C1

Accessibility & contrast

On white

14.29

#102859 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#102859 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102859

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102859	#FFFFFF	#000000	##FFFFFF
##102859	1.00	14.29	1.47	14.29
#FFFFFF	14.29	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#092E5B

Deuteranopia (green-blind)

#002758

Tritanopia (blue-blind)

#00343C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #102859;
/* rgb */ color: rgb(16, 40, 89);
/* oklch */ color: oklch(29.0% 0.094 262.5);

Tailwind

colors: {
  custom: {
    50: '#5b6188',
    500: '#102859',
    950: '#000000',
  },
}

SCSS

$custom: #102859;
$custom-light: #5b6188;
$custom-dark: #000000;

JSON

{
  "hex": "#102859",
  "rgb": {
    "r": 16,
    "g": 40,
    "b": 89
  },
  "hsl": {
    "h": 220.274,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.29006,
    "c": 0.09351,
    "h": 262.5
  },
  "luminance": 0.02349
}

Semantic roles & 50–950 ramp

primary

#102859

secondary

#927333

accent

#B23BEC

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04050B

muted

#79797C

Preview Lab

Preview with #102859

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

Preview Lab → · Contrast checker → · Palette generator →