#131C2D#131C2D

#131C2D is a very dark, muted blue. Relative luminance 0.012; OKLCH L 22.7% C 0.036 H 262.5°. Best body text is #FFFFFF at 17.05:1 contrast (WCAG AA passes).

Color values

HEX	#131C2D
RGB	rgb(19, 28, 45)
HSL	hsl(219, 41%, 13%)
HSV	hsv(219, 58%, 18%)
CMYK	cmyk(57.8%, 37.8%, 0%, 82.4%)
CIE-LAB	lab(10.25, 1.90, -12.67)
CIE-LCH	lch(10.25, 12.81, 278.52°)
OKLab	oklab(22.68% -0.0047 -0.0355)
OKLCH	oklch(22.68% 0.036 262.5)
XYZ	xyz(1.1573, 1.1583, 2.6447)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C2D #2D2413

analogous

#13292D #131C2D #17132D

triadic

#131C2D #2D131C #1C2D13

tetradic

#131C2D #2D1329 #2D2413 #132D17

square

#131C2D #2D1329 #2D2413 #132D17

split-complementary

#131C2D #2D1713 #292D13

monochromatic

#090D16 #090D16 #131C2D #253758 #375283

Accessibility & contrast

On white

17.05

#131C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#131C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C2D

17.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C2D	#FFFFFF	#000000	##FFFFFF
##131C2D	1.00	17.05	1.23	17.05
#FFFFFF	17.05	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161D2E

Deuteranopia (green-blind)

#131B2D

Tritanopia (blue-blind)

#092022

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #131c2d;
/* rgb */ color: rgb(19, 28, 45);
/* oklch */ color: oklch(22.7% 0.036 262.5);

Tailwind

colors: {
  custom: {
    50: '#525766',
    500: '#131c2d',
    950: '#000000',
  },
}

SCSS

$custom: #131c2d;
$custom-light: #525766;
$custom-dark: #000000;

JSON

{
  "hex": "#131c2d",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 45
  },
  "hsl": {
    "h": 219.231,
    "s": 40.625,
    "l": 12.549
  },
  "oklch": {
    "l": 0.22683,
    "c": 0.03584,
    "h": 262.5
  },
  "luminance": 0.01158
}

Semantic roles & 50–950 ramp

primary

#131C2D

secondary

#645538

accent

#A757D0

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020305

muted

#78787A

Preview Lab

Preview with #131C2D

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

Preview Lab → · Contrast checker → · Palette generator →