#13172D#13172D

#13172D is a very dark, muted blue. Relative luminance 0.009; OKLCH L 21.3% C 0.044 H 274.3°. Best body text is #FFFFFF at 17.67:1 contrast (WCAG AA passes).

Color values

HEX	#13172D
RGB	rgb(19, 23, 45)
HSL	hsl(231, 41%, 13%)
HSV	hsv(231, 58%, 18%)
CMYK	cmyk(57.8%, 48.9%, 0%, 82.4%)
CIE-LAB	lab(8.49, 5.76, -15.44)
CIE-LCH	lch(8.49, 16.48, 290.46°)
OKLab	oklab(21.32% 0.0033 -0.0436)
OKLCH	oklch(21.32% 0.044 274.3)
XYZ	xyz(1.0485, 0.9406, 2.6084)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13172D #2D2913

analogous

#13242D #13172D #1C132D

triadic

#13172D #2D1317 #172D13

tetradic

#13172D #2D1324 #2D2913 #132D1C

square

#13172D #2D1324 #2D2913 #132D1C

split-complementary

#13172D #2D1C13 #242D13

monochromatic

#090B16 #090B16 #13172D #252D58 #374383

Accessibility & contrast

On white

17.67

#13172D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#13172D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13172D

17.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13172D	#FFFFFF	#000000	##FFFFFF
##13172D	1.00	17.67	1.19	17.67
#FFFFFF	17.67	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1A2E

Deuteranopia (green-blind)

#0C172D

Tritanopia (blue-blind)

#091C1F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #13172d;
/* rgb */ color: rgb(19, 23, 45);
/* oklch */ color: oklch(21.3% 0.044 274.3);

Tailwind

colors: {
  custom: {
    50: '#525366',
    500: '#13172d',
    950: '#000000',
  },
}

SCSS

$custom: #13172d;
$custom-light: #525366;
$custom-dark: #000000;

JSON

{
  "hex": "#13172d",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 45
  },
  "hsl": {
    "h": 230.769,
    "s": 40.625,
    "l": 12.549
  },
  "oklch": {
    "l": 0.21322,
    "c": 0.04373,
    "h": 274.3
  },
  "luminance": 0.00941
}

Semantic roles & 50–950 ramp

primary

#13172D

secondary

#645D38

accent

#BE57D0

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #13172D

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

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