#5B121E#5B121E

#5B121E is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.104 H 16.7°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#5B121E
RGB	rgb(91, 18, 30)
HSL	hsl(350, 67%, 21%)
HSV	hsv(350, 80%, 36%)
CMYK	cmyk(0%, 80.2%, 67%, 64.3%)
CIE-LAB	lab(19.02, 33.43, 12.35)
CIE-LCH	lch(19.02, 35.64, 20.27°)
OKLab	oklab(31.5% 0.0999 0.0299)
OKLCH	oklch(31.5% 0.104 16.7)
XYZ	xyz(4.7655, 2.7512, 1.5081)
Luminance	0.0275 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B121E #125B4F

analogous

#5B1243 #5B121E #5B2B12

triadic

#5B121E #1E5B12 #121E5B

tetradic

#5B121E #435B12 #125B4F #2B125B

square

#5B121E #435B12 #125B4F #2B125B

split-complementary

#5B121E #125B2B #12435B

monochromatic

#1A0508 #28080D #5B121E #8E1C2F #C12640

Accessibility & contrast

On white

13.55

#5B121E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5B121E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B121E

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B121E	#FFFFFF	#000000	##FFFFFF
##5B121E	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241E

Deuteranopia (green-blind)

#39341C

Tritanopia (blue-blind)

#640017

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b121e;
/* rgb */ color: rgb(91, 18, 30);
/* oklch */ color: oklch(31.5% 0.104 16.7);

Tailwind

colors: {
  custom: {
    50: '#8f5759',
    500: '#5b121e',
    950: '#000000',
  },
}

SCSS

$custom: #5b121e;
$custom-light: #8f5759;
$custom-dark: #000000;

JSON

{
  "hex": "#5b121e",
  "rgb": {
    "r": 91,
    "g": 18,
    "b": 30
  },
  "hsl": {
    "h": 350.137,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31495,
    "c": 0.10424,
    "h": 16.7
  },
  "luminance": 0.0275
}

Semantic roles & 50–950 ramp

primary

#5B121E

secondary

#359384

accent

#EACE3E

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5B121E

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

Preview Lab → · Contrast checker → · Palette generator →