#131E37#131E37

#131E37 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.9% C 0.051 H 264.9°. Best body text is #FFFFFF at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#131E37
RGB	rgb(19, 30, 55)
HSL	hsl(222, 49%, 15%)
HSV	hsv(222, 65%, 22%)
CMYK	cmyk(65.5%, 45.5%, 0%, 78.4%)
CIE-LAB	lab(11.57, 4.37, -17.81)
CIE-LCH	lch(11.57, 18.34, 283.78°)
OKLab	oklab(23.91% -0.0045 -0.0505)
OKLCH	oklch(23.91% 0.051 264.9)
XYZ	xyz(1.4222, 1.3427, 3.7979)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131E37 #372C13

analogous

#133037 #131E37 #1A1337

triadic

#131E37 #37131E #1E3713

tetradic

#131E37 #371330 #372C13 #13371A

square

#131E37 #371330 #372C13 #13371A

split-complementary

#131E37 #371A13 #303713

monochromatic

#080C17 #080C17 #131E37 #233764 #325092

Accessibility & contrast

On white

16.55

#131E37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131E37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131E37

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131E37	#FFFFFF	#000000	##FFFFFF
##131E37	1.00	16.55	1.27	16.55
#FFFFFF	16.55	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142038

Deuteranopia (green-blind)

#0F1D36

Tritanopia (blue-blind)

#012327

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131e37;
/* rgb */ color: rgb(19, 30, 55);
/* oklch */ color: oklch(23.9% 0.051 264.9);

Tailwind

colors: {
  custom: {
    50: '#54596e',
    500: '#131e37',
    950: '#000000',
  },
}

SCSS

$custom: #131e37;
$custom-light: #54596e;
$custom-dark: #000000;

JSON

{
  "hex": "#131e37",
  "rgb": {
    "r": 19,
    "g": 30,
    "b": 55
  },
  "hsl": {
    "h": 221.667,
    "s": 48.649,
    "l": 14.51
  },
  "oklch": {
    "l": 0.23914,
    "c": 0.05068,
    "h": 264.9
  },
  "luminance": 0.01343
}

Semantic roles & 50–950 ramp

primary

#131E37

secondary

#6F5E37

accent

#AE50D8

background

#F4F5F6

surface

#E8E9EB

border

#C4C5C6

text

#030307

muted

#78787A

Preview Lab

Preview with #131E37

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

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