#4D131F#4D131F

#4D131F is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.9% C 0.087 H 12.3°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#4D131F
RGB	rgb(77, 19, 31)
HSL	hsl(348, 60%, 19%)
HSV	hsv(348, 75%, 30%)
CMYK	cmyk(0%, 75.3%, 59.7%, 69.8%)
CIE-LAB	lab(16.22, 28.12, 7.36)
CIE-LCH	lch(16.22, 29.06, 14.67°)
OKLab	oklab(28.88% 0.085 0.0185)
OKLCH	oklch(28.88% 0.087 12.3)
XYZ	xyz(3.5411, 2.1429, 1.5232)
Luminance	0.0214 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D131F #134D41

analogous

#4D133C #4D131F #4D2413

triadic

#4D131F #1F4D13 #131F4D

tetradic

#4D131F #3C4D13 #134D41 #24134D

square

#4D131F #3C4D13 #134D41 #24134D

split-complementary

#4D131F #134D24 #133C4D

monochromatic

#19060A #1C070B #4D131F #7E1F33 #AF2B47

Accessibility & contrast

On white

14.70

#4D131F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#4D131F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D131F

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D131F	#FFFFFF	#000000	##FFFFFF
##4D131F	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21211F

Deuteranopia (green-blind)

#302D1E

Tritanopia (blue-blind)

#550718

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4d131f;
/* rgb */ color: rgb(77, 19, 31);
/* oklch */ color: oklch(28.9% 0.087 12.3);

Tailwind

colors: {
  custom: {
    50: '#83555a',
    500: '#4d131f',
    950: '#000000',
  },
}

SCSS

$custom: #4d131f;
$custom-light: #83555a;
$custom-dark: #000000;

JSON

{
  "hex": "#4d131f",
  "rgb": {
    "r": 77,
    "g": 19,
    "b": 31
  },
  "hsl": {
    "h": 347.586,
    "s": 60.417,
    "l": 18.824
  },
  "oklch": {
    "l": 0.28878,
    "c": 0.08696,
    "h": 12.3
  },
  "luminance": 0.02142
}

Semantic roles & 50–950 ramp

primary

#4D131F

secondary

#368675

accent

#E4C344

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D131F

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

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