#131D38#131D38

#131D38 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.7% C 0.054 H 267.0°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#131D38
RGB	rgb(19, 29, 56)
HSL	hsl(224, 49%, 15%)
HSV	hsv(224, 66%, 22%)
CMYK	cmyk(66.1%, 48.2%, 0%, 78%)
CIE-LAB	lab(11.29, 5.54, -18.97)
CIE-LCH	lch(11.29, 19.76, 286.30°)
OKLab	oklab(23.72% -0.0029 -0.0539)
OKLCH	oklch(23.72% 0.054 267)
XYZ	xyz(1.4215, 1.3026, 3.9171)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D38 #382E13

analogous

#133038 #131D38 #1C1338

triadic

#131D38 #38131D #1D3813

tetradic

#131D38 #381330 #382E13 #13381C

square

#131D38 #381330 #382E13 #13381C

split-complementary

#131D38 #381C13 #303813

monochromatic

#080C17 #080C17 #131D38 #233566 #324C93

Accessibility & contrast

On white

16.66

#131D38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#131D38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D38

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D38	#FFFFFF	#000000	##FFFFFF
##131D38	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112039

Deuteranopia (green-blind)

#0D1D37

Tritanopia (blue-blind)

#012327

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #131d38;
/* rgb */ color: rgb(19, 29, 56);
/* oklch */ color: oklch(23.7% 0.054 267.0);

Tailwind

colors: {
  custom: {
    50: '#54586f',
    500: '#131d38',
    950: '#000000',
  },
}

SCSS

$custom: #131d38;
$custom-light: #54586f;
$custom-dark: #000000;

JSON

{
  "hex": "#131d38",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 56
  },
  "hsl": {
    "h": 223.784,
    "s": 49.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.23722,
    "c": 0.05396,
    "h": 267
  },
  "luminance": 0.01303
}

Semantic roles & 50–950 ramp

primary

#131D38

secondary

#706137

accent

#B44FD9

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #131D38

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

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