#13151B#13151B

#13151B is a very dark, near-neutral blue. Relative luminance 0.008; OKLCH L 19.6% C 0.012 H 270.7°. Best body text is #FFFFFF at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#13151B
RGB	rgb(19, 21, 27)
HSL	hsl(225, 17%, 9%)
HSV	hsv(225, 30%, 11%)
CMYK	cmyk(29.6%, 22.2%, 0%, 89.4%)
CIE-LAB	lab(6.81, 0.73, -4.47)
CIE-LCH	lch(6.81, 4.53, 279.33°)
OKLab	oklab(19.64% 0.0001 -0.0125)
OKLCH	oklch(19.64% 0.012 270.7)
XYZ	xyz(0.7345, 0.7539, 1.1435)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13151B #1B1913

analogous

#13191B #13151B #15131B

triadic

#13151B #1B1315 #151B13

tetradic

#13151B #1B1319 #1B1913 #131B15

square

#13151B #1B1319 #1B1913 #131B15

split-complementary

#13151B #1B1513 #191B13

monochromatic

#0D0E12 #0D0E12 #13151B #2C313F #464D63

Accessibility & contrast

On white

18.25

#13151B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#13151B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13151B

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13151B	#FFFFFF	#000000	##FFFFFF
##13151B	1.00	18.25	1.15	18.25
#FFFFFF	18.25	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13151B

Deuteranopia (green-blind)

#13151B

Tritanopia (blue-blind)

#111617

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #13151b;
/* rgb */ color: rgb(19, 21, 27);
/* oklch */ color: oklch(19.6% 0.012 270.7);

Tailwind

colors: {
  custom: {
    50: '#505257',
    500: '#13151b',
    950: '#000000',
  },
}

SCSS

$custom: #13151b;
$custom-light: #505257;
$custom-dark: #000000;

JSON

{
  "hex": "#13151b",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 27
  },
  "hsl": {
    "h": 225,
    "s": 17.391,
    "l": 9.02
  },
  "oklch": {
    "l": 0.19636,
    "c": 0.01249,
    "h": 270.7
  },
  "luminance": 0.00754
}

Semantic roles & 50–950 ramp

primary

#13151B

secondary

#4D493D

accent

#A76EBA

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020203

muted

#787878

Preview Lab

Preview with #13151B

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

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