#5B121C#5B121C

#5B121C is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.4% C 0.104 H 18.3°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#5B121C
RGB	rgb(91, 18, 28)
HSL	hsl(352, 67%, 21%)
HSV	hsv(352, 80%, 36%)
CMYK	cmyk(0%, 80.2%, 69.2%, 64.3%)
CIE-LAB	lab(18.98, 33.29, 13.70)
CIE-LCH	lch(18.98, 36.00, 22.36°)
OKLab	oklab(31.45% 0.099 0.0328)
OKLCH	oklch(31.45% 0.104 18.3)
XYZ	xyz(4.7408, 2.7413, 1.3779)
Luminance	0.0274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B121C #125B51

analogous

#5B1241 #5B121C #5B2D12

triadic

#5B121C #1C5B12 #121C5B

tetradic

#5B121C #415B12 #125B51 #2D125B

square

#5B121C #415B12 #125B51 #2D125B

split-complementary

#5B121C #125B2D #12415B

monochromatic

#1A0508 #28080C #5B121C #8E1C2C #C1263B

Accessibility & contrast

On white

13.56

#5B121C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5B121C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B121C

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B121C	#FFFFFF	#000000	##FFFFFF
##5B121C	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27241C

Deuteranopia (green-blind)

#39341A

Tritanopia (blue-blind)

#650016

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b121c;
/* rgb */ color: rgb(91, 18, 28);
/* oklch */ color: oklch(31.4% 0.104 18.3);

Tailwind

colors: {
  custom: {
    50: '#8f5757',
    500: '#5b121c',
    950: '#000000',
  },
}

SCSS

$custom: #5b121c;
$custom-light: #8f5757;
$custom-dark: #000000;

JSON

{
  "hex": "#5b121c",
  "rgb": {
    "r": 91,
    "g": 18,
    "b": 28
  },
  "hsl": {
    "h": 351.781,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.3145,
    "c": 0.10424,
    "h": 18.3
  },
  "luminance": 0.02741
}

Semantic roles & 50–950 ramp

primary

#5B121C

secondary

#359387

accent

#EAD23E

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5B121C

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

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