#131D31#131D31

#131D31 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.2% C 0.042 H 263.3°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#131D31
RGB	rgb(19, 29, 49)
HSL	hsl(220, 44%, 13%)
HSV	hsv(220, 61%, 19%)
CMYK	cmyk(61.2%, 40.8%, 0%, 80.8%)
CIE-LAB	lab(10.84, 2.71, -14.65)
CIE-LCH	lch(10.84, 14.90, 280.48°)
OKLab	oklab(23.22% -0.0048 -0.0413)
OKLCH	oklch(23.22% 0.042 263.3)
XYZ	xyz(1.2621, 1.2388, 3.0777)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D31 #312713

analogous

#132C31 #131D31 #181331

triadic

#131D31 #31131D #1D3113

tetradic

#131D31 #31132C #312713 #133118

square

#131D31 #31132C #312713 #133118

split-complementary

#131D31 #311813 #2C3113

monochromatic

#090D16 #090D16 #131D31 #24375D #355189

Accessibility & contrast

On white

16.83

#131D31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#131D31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D31

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D31	#FFFFFF	#000000	##FFFFFF
##131D31	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151F32

Deuteranopia (green-blind)

#121C31

Tritanopia (blue-blind)

#062124

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #131d31;
/* rgb */ color: rgb(19, 29, 49);
/* oklch */ color: oklch(23.2% 0.042 263.3);

Tailwind

colors: {
  custom: {
    50: '#535869',
    500: '#131d31',
    950: '#000000',
  },
}

SCSS

$custom: #131d31;
$custom-light: #535869;
$custom-dark: #000000;

JSON

{
  "hex": "#131d31",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 49
  },
  "hsl": {
    "h": 220,
    "s": 44.118,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23224,
    "c": 0.04154,
    "h": 263.3
  },
  "luminance": 0.01239
}

Semantic roles & 50–950 ramp

primary

#131D31

secondary

#695837

accent

#A954D4

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #131D31

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

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