#131C38#131C38

#131C38 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.5% C 0.056 H 268.5°. Best body text is #FFFFFF at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#131C38
RGB	rgb(19, 28, 56)
HSL	hsl(225, 49%, 15%)
HSV	hsv(225, 66%, 22%)
CMYK	cmyk(66.1%, 50%, 0%, 78%)
CIE-LAB	lab(10.95, 6.31, -19.51)
CIE-LCH	lch(10.95, 20.50, 287.93°)
OKLab	oklab(23.46% -0.0015 -0.0555)
OKLCH	oklch(23.46% 0.056 268.5)
XYZ	xyz(1.3974, 1.2544, 3.9091)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C38 #382F13

analogous

#132F38 #131C38 #1D1338

triadic

#131C38 #38131C #1C3813

tetradic

#131C38 #38132F #382F13 #13381D

square

#131C38 #38132F #382F13 #13381D

split-complementary

#131C38 #381D13 #2F3813

monochromatic

#080B17 #080B17 #131C38 #233366 #324A93

Accessibility & contrast

On white

16.79

#131C38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#131C38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C38

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C38	#FFFFFF	#000000	##FFFFFF
##131C38	1.00	16.79	1.25	16.79
#FFFFFF	16.79	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#101F39

Deuteranopia (green-blind)

#0B1C37

Tritanopia (blue-blind)

#012227

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #131c38;
/* rgb */ color: rgb(19, 28, 56);
/* oklch */ color: oklch(23.5% 0.056 268.5);

Tailwind

colors: {
  custom: {
    50: '#54576f',
    500: '#131c38',
    950: '#000000',
  },
}

SCSS

$custom: #131c38;
$custom-light: #54576f;
$custom-dark: #000000;

JSON

{
  "hex": "#131c38",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 56
  },
  "hsl": {
    "h": 225.405,
    "s": 49.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.2346,
    "c": 0.0555,
    "h": 268.5
  },
  "luminance": 0.01254
}

Semantic roles & 50–950 ramp

primary

#131C38

secondary

#706237

accent

#B74FD9

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #131C38

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

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