#131A37#131A37

#131A37 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 22.9% C 0.057 H 271.1°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#131A37
RGB	rgb(19, 26, 55)
HSL	hsl(228, 49%, 15%)
HSV	hsv(228, 65%, 22%)
CMYK	cmyk(65.5%, 52.7%, 0%, 78.4%)
CIE-LAB	lab(10.21, 7.45, -19.98)
CIE-LCH	lch(10.21, 21.33, 290.44°)
OKLab	oklab(22.87% 0.0011 -0.0569)
OKLCH	oklch(22.87% 0.057 271.1)
XYZ	xyz(1.3273, 1.1530, 3.7663)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A37 #373013

analogous

#132C37 #131A37 #1E1337

triadic

#131A37 #37131A #1A3713

tetradic

#131A37 #37132C #373013 #13371E

square

#131A37 #37132C #373013 #13371E

split-complementary

#131A37 #371E13 #2C3713

monochromatic

#080B17 #080B17 #131A37 #233064 #324592

Accessibility & contrast

On white

17.06

#131A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#131A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A37

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A37	#FFFFFF	#000000	##FFFFFF
##131A37	1.00	17.06	1.23	17.06
#FFFFFF	17.06	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D1E38

Deuteranopia (green-blind)

#081A36

Tritanopia (blue-blind)

#022025

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #131a37;
/* rgb */ color: rgb(19, 26, 55);
/* oklch */ color: oklch(22.9% 0.057 271.1);

Tailwind

colors: {
  custom: {
    50: '#54566e',
    500: '#131a37',
    950: '#000000',
  },
}

SCSS

$custom: #131a37;
$custom-light: #54566e;
$custom-dark: #000000;

JSON

{
  "hex": "#131a37",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 55
  },
  "hsl": {
    "h": 228.333,
    "s": 48.649,
    "l": 14.51
  },
  "oklch": {
    "l": 0.22865,
    "c": 0.05691,
    "h": 271.1
  },
  "luminance": 0.01153
}

Semantic roles & 50–950 ramp

primary

#131A37

secondary

#6F6437

accent

#BE50D8

background

#F5F5F6

surface

#E8E8EB

border

#C4C4C6

text

#030307

muted

#78787A

Preview Lab

Preview with #131A37

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

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