#131D39#131D39

#131D39 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.8% C 0.056 H 267.3°. Best body text is #FFFFFF at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#131D39
RGB	rgb(19, 29, 57)
HSL	hsl(224, 50%, 15%)
HSV	hsv(224, 67%, 22%)
CMYK	cmyk(66.7%, 49.1%, 0%, 77.6%)
CIE-LAB	lab(11.36, 5.96, -19.57)
CIE-LCH	lch(11.36, 20.46, 286.93°)
OKLab	oklab(23.8% -0.0026 -0.0556)
OKLCH	oklch(23.8% 0.056 267.3)
XYZ	xyz(1.4462, 1.3125, 4.0472)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D39 #392F13

analogous

#133039 #131D39 #1C1339

triadic

#131D39 #39131D #1D3913

tetradic

#131D39 #391330 #392F13 #13391C

square

#131D39 #391330 #392F13 #13391C

split-complementary

#131D39 #391C13 #303913

monochromatic

#080C17 #080C17 #131D39 #223467 #324C95

Accessibility & contrast

On white

16.63

#131D39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#131D39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D39

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D39	#FFFFFF	#000000	##FFFFFF
##131D39	1.00	16.63	1.26	16.63
#FFFFFF	16.63	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11203A

Deuteranopia (green-blind)

#0C1D38

Tritanopia (blue-blind)

#002328

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #131d39;
/* rgb */ color: rgb(19, 29, 57);
/* oklch */ color: oklch(23.8% 0.056 267.3);

Tailwind

colors: {
  custom: {
    50: '#54586f',
    500: '#131d39',
    950: '#000000',
  },
}

SCSS

$custom: #131d39;
$custom-light: #54586f;
$custom-dark: #000000;

JSON

{
  "hex": "#131d39",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 57
  },
  "hsl": {
    "h": 224.211,
    "s": 50,
    "l": 14.902
  },
  "oklch": {
    "l": 0.23797,
    "c": 0.05571,
    "h": 267.3
  },
  "luminance": 0.01313
}

Semantic roles & 50–950 ramp

primary

#131D39

secondary

#716237

accent

#B54EDA

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #131D39

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

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