#131D2C#131D2C

#131D2C is a very dark, muted blue. Relative luminance 0.012; OKLCH L 22.9% C 0.033 H 258.3°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#131D2C
RGB	rgb(19, 29, 44)
HSL	hsl(216, 40%, 12%)
HSV	hsv(216, 57%, 17%)
CMYK	cmyk(56.8%, 34.1%, 0%, 82.7%)
CIE-LAB	lab(10.55, 0.76, -11.46)
CIE-LCH	lch(10.55, 11.49, 273.78°)
OKLab	oklab(22.9% -0.0066 -0.0321)
OKLCH	oklch(22.9% 0.033 258.3)
XYZ	xyz(1.1624, 1.1990, 2.5526)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D2C #2C2213

analogous

#132A2C #131D2C #15132C

triadic

#131D2C #2C131D #1D2C13

tetradic

#131D2C #2C132A #2C2213 #132C15

square

#131D2C #2C132A #2C2213 #132C15

split-complementary

#131D2C #2C1513 #2A2C13

monochromatic

#090E15 #090E15 #131D2C #253957 #385581

Accessibility & contrast

On white

16.94

#131D2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#131D2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D2C

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D2C	#FFFFFF	#000000	##FFFFFF
##131D2C	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171E2D

Deuteranopia (green-blind)

#141B2C

Tritanopia (blue-blind)

#092022

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #131d2c;
/* rgb */ color: rgb(19, 29, 44);
/* oklch */ color: oklch(22.9% 0.033 258.3);

Tailwind

colors: {
  custom: {
    50: '#525865',
    500: '#131d2c',
    950: '#000000',
  },
}

SCSS

$custom: #131d2c;
$custom-light: #525865;
$custom-dark: #000000;

JSON

{
  "hex": "#131d2c",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 44
  },
  "hsl": {
    "h": 216,
    "s": 39.683,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22901,
    "c": 0.03274,
    "h": 258.3
  },
  "luminance": 0.01199
}

Semantic roles & 50–950 ramp

primary

#131D2C

secondary

#635238

accent

#A058D0

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020305

muted

#78787A

Preview Lab

Preview with #131D2C

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

Preview Lab → · Contrast checker → · Palette generator →