#131237#131237

#131237 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.070 H 279.7°. Best body text is #FFFFFF at 17.96:1 contrast (WCAG AA passes).

Color values

HEX	#131237
RGB	rgb(19, 18, 55)
HSL	hsl(242, 51%, 14%)
HSV	hsv(242, 67%, 22%)
CMYK	cmyk(65.5%, 67.3%, 0%, 78.4%)
CIE-LAB	lab(7.65, 13.65, -24.10)
CIE-LCH	lch(7.65, 27.69, 299.53°)
OKLab	oklab(20.94% 0.0118 -0.0691)
OKLCH	oklch(20.94% 0.07 279.7)
XYZ	xyz(1.1742, 0.8468, 3.7153)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131237 #363712

analogous

#122437 #131237 #261237

triadic

#131237 #371312 #123713

tetradic

#131237 #371224 #363712 #123726

square

#131237 #371224 #363712 #123726

split-complementary

#131237 #372612 #243712

monochromatic

#080817 #080817 #131237 #232165 #333093

Accessibility & contrast

On white

17.96

#131237 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#131237 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131237

17.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131237	#FFFFFF	#000000	##FFFFFF
##131237	1.00	17.96	1.17	17.96
#FFFFFF	17.96	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001838

Deuteranopia (green-blind)

#001536

Tritanopia (blue-blind)

#031B22

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #131237;
/* rgb */ color: rgb(19, 18, 55);
/* oklch */ color: oklch(20.9% 0.070 279.7);

Tailwind

colors: {
  custom: {
    50: '#554f6e',
    500: '#131237',
    950: '#000000',
  },
}

SCSS

$custom: #131237;
$custom-light: #554f6e;
$custom-dark: #000000;

JSON

{
  "hex": "#131237",
  "rgb": {
    "r": 19,
    "g": 18,
    "b": 55
  },
  "hsl": {
    "h": 241.622,
    "s": 50.685,
    "l": 14.314
  },
  "oklch": {
    "l": 0.20936,
    "c": 0.07011,
    "h": 279.7
  },
  "luminance": 0.00847
}

Semantic roles & 50–950 ramp

primary

#131237

secondary

#6E7035

accent

#DA4ED6

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #131237

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

Preview Lab → · Contrast checker → · Palette generator →