#13151F#13151F

#13151F is a very dark, muted blue. Relative luminance 0.008; OKLCH L 19.9% C 0.020 H 275.6°. Best body text is #FFFFFF at 18.18:1 contrast (WCAG AA passes).

Color values

HEX	#13151F
RGB	rgb(19, 21, 31)
HSL	hsl(230, 24%, 10%)
HSV	hsv(230, 39%, 12%)
CMYK	cmyk(38.7%, 32.3%, 0%, 87.8%)
CIE-LAB	lab(6.99, 1.99, -7.26)
CIE-LCH	lch(6.99, 7.53, 285.33°)
OKLab	oklab(19.86% 0.002 -0.0203)
OKLCH	oklch(19.86% 0.02 275.6)
XYZ	xyz(0.7840, 0.7737, 1.4041)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13151F #1F1D13

analogous

#131B1F #13151F #17131F

triadic

#13151F #1F1315 #151F13

tetradic

#13151F #1F131B #1F1D13 #131F17

square

#13151F #1F131B #1F1D13 #131F17

split-complementary

#13151F #1F1713 #1B1F13

monochromatic

#0C0D13 #0C0D13 #13151F #2A2F45 #42486B

Accessibility & contrast

On white

18.18

#13151F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#13151F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13151F

18.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13151F	#FFFFFF	#000000	##FFFFFF
##13151F	1.00	18.18	1.15	18.18
#FFFFFF	18.18	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12161F

Deuteranopia (green-blind)

#11151F

Tritanopia (blue-blind)

#101718

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #13151f;
/* rgb */ color: rgb(19, 21, 31);
/* oklch */ color: oklch(19.9% 0.020 275.6);

Tailwind

colors: {
  custom: {
    50: '#50525a',
    500: '#13151f',
    950: '#000000',
  },
}

SCSS

$custom: #13151f;
$custom-light: #50525a;
$custom-dark: #000000;

JSON

{
  "hex": "#13151f",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 31
  },
  "hsl": {
    "h": 230,
    "s": 24,
    "l": 9.804
  },
  "oklch": {
    "l": 0.19855,
    "c": 0.02036,
    "h": 275.6
  },
  "luminance": 0.00774
}

Semantic roles & 50–950 ramp

primary

#13151F

secondary

#534F3B

accent

#B267C0

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020203

muted

#787878

Preview Lab

Preview with #13151F

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

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