#183985#183985

#183985 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.0% C 0.134 H 263.5°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#183985
RGB	rgb(24, 57, 133)
HSL	hsl(222, 69%, 31%)
HSV	hsv(222, 82%, 52%)
CMYK	cmyk(82%, 57.1%, 0%, 47.8%)
CIE-LAB	lab(26.20, 18.00, -46.00)
CIE-LCH	lch(26.20, 49.40, 291.37°)
OKLab	oklab(37.02% -0.0151 -0.1328)
OKLCH	oklch(37.02% 0.134 263.5)
XYZ	xyz(6.0719, 4.8132, 22.7948)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183985 #856418

analogous

#186F85 #183985 #2D1885

triadic

#183985 #851839 #398518

tetradic

#183985 #85186F #856418 #18852D

square

#183985 #85186F #856418 #18852D

split-complementary

#183985 #852D18 #6F8518

monochromatic

#050D1D #0F2351 #183985 #214FB9 #3C6CDC

Accessibility & contrast

On white

10.70

#183985 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#183985 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183985

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183985	#FFFFFF	#000000	##FFFFFF
##183985	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004388

Deuteranopia (green-blind)

#003984

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #183985;
/* rgb */ color: rgb(24, 57, 133);
/* oklch */ color: oklch(37.0% 0.134 263.5);

Tailwind

colors: {
  custom: {
    50: '#686ea9',
    500: '#183985',
    950: '#000000',
  },
}

SCSS

$custom: #183985;
$custom-light: #686ea9;
$custom-dark: #000000;

JSON

{
  "hex": "#183985",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 133
  },
  "hsl": {
    "h": 221.835,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37017,
    "c": 0.13362,
    "h": 263.5
  },
  "luminance": 0.04814
}

Semantic roles & 50–950 ramp

primary

#183985

secondary

#B99440

accent

#B73CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #183985

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

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