#131C2F#131C2F

#131C2F is a very dark, muted blue. Relative luminance 0.012; OKLCH L 22.8% C 0.039 H 264.2°. Best body text is #FFFFFF at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#131C2F
RGB	rgb(19, 28, 47)
HSL	hsl(221, 42%, 13%)
HSV	hsv(221, 60%, 18%)
CMYK	cmyk(59.6%, 40.4%, 0%, 81.6%)
CIE-LAB	lab(10.36, 2.68, -13.94)
CIE-LCH	lch(10.36, 14.20, 280.87°)
OKLab	oklab(22.81% -0.004 -0.0392)
OKLCH	oklch(22.81% 0.039 264.2)
XYZ	xyz(1.1967, 1.1741, 2.8523)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C2F #2F2613

analogous

#132A2F #131C2F #18132F

triadic

#131C2F #2F131C #1C2F13

tetradic

#131C2F #2F132A #2F2613 #132F18

square

#131C2F #2F132A #2F2613 #132F18

split-complementary

#131C2F #2F1813 #2A2F13

monochromatic

#090D16 #090D16 #131C2F #25365B #365086

Accessibility & contrast

On white

17.01

#131C2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#131C2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C2F

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C2F	#FFFFFF	#000000	##FFFFFF
##131C2F	1.00	17.01	1.23	17.01
#FFFFFF	17.01	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151E30

Deuteranopia (green-blind)

#121B2F

Tritanopia (blue-blind)

#072023

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #131c2f;
/* rgb */ color: rgb(19, 28, 47);
/* oklch */ color: oklch(22.8% 0.039 264.2);

Tailwind

colors: {
  custom: {
    50: '#535767',
    500: '#131c2f',
    950: '#000000',
  },
}

SCSS

$custom: #131c2f;
$custom-light: #535767;
$custom-dark: #000000;

JSON

{
  "hex": "#131c2f",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 47
  },
  "hsl": {
    "h": 220.714,
    "s": 42.424,
    "l": 12.941
  },
  "oklch": {
    "l": 0.22814,
    "c": 0.03942,
    "h": 264.2
  },
  "luminance": 0.01174
}

Semantic roles & 50–950 ramp

primary

#131C2F

secondary

#665737

accent

#AA56D2

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #131C2F

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

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