#102183#102183

#102183 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.8% C 0.162 H 267.0°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#102183
RGB	rgb(16, 33, 131)
HSL	hsl(231, 78%, 29%)
HSV	hsv(231, 88%, 51%)
CMYK	cmyk(87.8%, 74.8%, 0%, 48.6%)
CIE-LAB	lab(19.37, 33.01, -55.94)
CIE-LCH	lch(19.37, 64.96, 300.55°)
OKLab	oklab(31.84% -0.0084 -0.1622)
OKLCH	oklch(31.84% 0.162 267)
XYZ	xyz(4.8529, 2.8360, 21.7600)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102183 #837210

analogous

#105B83 #102183 #391083

triadic

#102183 #831021 #218310

tetradic

#102183 #83105B #837210 #108339

square

#102183 #83105B #837210 #108339

split-complementary

#102183 #833910 #5B8310

monochromatic

#03071B #09134C #102183 #172FBA #2944E5

Accessibility & contrast

On white

13.40

#102183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#102183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102183

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102183	#FFFFFF	#000000	##FFFFFF
##102183	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003586

Deuteranopia (green-blind)

#002981

Tritanopia (blue-blind)

#003D50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #102183;
/* rgb */ color: rgb(16, 33, 131);
/* oklch */ color: oklch(31.8% 0.162 267.0);

Tailwind

colors: {
  custom: {
    50: '#685da8',
    500: '#102183',
    950: '#000000',
  },
}

SCSS

$custom: #102183;
$custom-light: #685da8;
$custom-dark: #000000;

JSON

{
  "hex": "#102183",
  "rgb": {
    "r": 16,
    "g": 33,
    "b": 131
  },
  "hsl": {
    "h": 231.13,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31841,
    "c": 0.16241,
    "h": 267
  },
  "luminance": 0.02837
}

Semantic roles & 50–950 ramp

primary

#102183

secondary

#B9A536

accent

#D833F5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#070410

muted

#7A797F

Preview Lab

Preview with #102183

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

Preview Lab → · Contrast checker → · Palette generator →