#131C2C#131C2C

#131C2C is a very dark, muted blue. Relative luminance 0.012; OKLCH L 22.6% C 0.034 H 261.5°. Best body text is #FFFFFF at 17.07:1 contrast (WCAG AA passes).

Color values

HEX	#131C2C
RGB	rgb(19, 28, 44)
HSL	hsl(218, 40%, 12%)
HSV	hsv(218, 57%, 17%)
CMYK	cmyk(56.8%, 36.4%, 0%, 82.7%)
CIE-LAB	lab(10.19, 1.51, -12.03)
CIE-LCH	lch(10.19, 12.12, 277.17°)
OKLab	oklab(22.62% -0.005 -0.0337)
OKLCH	oklch(22.62% 0.034 261.5)
XYZ	xyz(1.1383, 1.1507, 2.5445)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C2C #2C2313

analogous

#13292C #131C2C #17132C

triadic

#131C2C #2C131C #1C2C13

tetradic

#131C2C #2C1329 #2C2313 #132C17

square

#131C2C #2C1329 #2C2313 #132C17

split-complementary

#131C2C #2C1713 #292C13

monochromatic

#090E15 #090E15 #131C2C #253757 #385281

Accessibility & contrast

On white

17.07

#131C2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#131C2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C2C

17.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C2C	#FFFFFF	#000000	##FFFFFF
##131C2C	1.00	17.07	1.23	17.07
#FFFFFF	17.07	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161D2D

Deuteranopia (green-blind)

#131B2C

Tritanopia (blue-blind)

#091F22

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #131c2c;
/* rgb */ color: rgb(19, 28, 44);
/* oklch */ color: oklch(22.6% 0.034 261.5);

Tailwind

colors: {
  custom: {
    50: '#525765',
    500: '#131c2c',
    950: '#000000',
  },
}

SCSS

$custom: #131c2c;
$custom-light: #525765;
$custom-dark: #000000;

JSON

{
  "hex": "#131c2c",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 44
  },
  "hsl": {
    "h": 218.4,
    "s": 39.683,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22619,
    "c": 0.03406,
    "h": 261.5
  },
  "luminance": 0.01151
}

Semantic roles & 50–950 ramp

primary

#131C2C

secondary

#635338

accent

#A558D0

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020305

muted

#78787A

Preview Lab

Preview with #131C2C

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

Preview Lab → · Contrast checker → · Palette generator →