#131A2F#131A2F

#131A2F is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.3% C 0.042 H 268.8°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#131A2F
RGB	rgb(19, 26, 47)
HSL	hsl(225, 42%, 13%)
HSV	hsv(225, 60%, 18%)
CMYK	cmyk(59.6%, 44.7%, 0%, 81.6%)
CIE-LAB	lab(9.66, 4.21, -15.05)
CIE-LCH	lch(9.66, 15.63, 285.64°)
OKLab	oklab(22.27% -0.0009 -0.0425)
OKLCH	oklch(22.27% 0.042 268.8)
XYZ	xyz(1.1509, 1.0824, 2.8371)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A2F #2F2813

analogous

#13282F #131A2F #1A132F

triadic

#131A2F #2F131A #1A2F13

tetradic

#131A2F #2F1328 #2F2813 #132F1A

square

#131A2F #2F1328 #2F2813 #132F1A

split-complementary

#131A2F #2F1A13 #282F13

monochromatic

#090C16 #090C16 #131A2F #25325B #364A86

Accessibility & contrast

On white

17.26

#131A2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#131A2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A2F

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A2F	#FFFFFF	#000000	##FFFFFF
##131A2F	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121C30

Deuteranopia (green-blind)

#0F1A2F

Tritanopia (blue-blind)

#081E22

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #131a2f;
/* rgb */ color: rgb(19, 26, 47);
/* oklch */ color: oklch(22.3% 0.042 268.8);

Tailwind

colors: {
  custom: {
    50: '#535667',
    500: '#131a2f',
    950: '#000000',
  },
}

SCSS

$custom: #131a2f;
$custom-light: #535667;
$custom-dark: #000000;

JSON

{
  "hex": "#131a2f",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 47
  },
  "hsl": {
    "h": 225,
    "s": 42.424,
    "l": 12.941
  },
  "oklch": {
    "l": 0.22268,
    "c": 0.04248,
    "h": 268.8
  },
  "luminance": 0.01082
}

Semantic roles & 50–950 ramp

primary

#131A2F

secondary

#665B37

accent

#B356D2

background

#F4F5F6

surface

#E7E8EB

border

#C3C4C6

text

#020306

muted

#78787A

Preview Lab

Preview with #131A2F

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

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