#4D180F#4D180F

#4D180F is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.2% C 0.082 H 31.9°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#4D180F
RGB	rgb(77, 24, 15)
HSL	hsl(9, 67%, 18%)
HSV	hsv(9, 81%, 30%)
CMYK	cmyk(0%, 68.8%, 80.5%, 69.8%)
CIE-LAB	lab(16.83, 24.44, 18.91)
CIE-LCH	lch(16.83, 30.90, 37.72°)
OKLab	oklab(29.23% 0.0699 0.0435)
OKLCH	oklch(29.23% 0.082 31.9)
XYZ	xyz(3.4738, 2.2660, 0.7063)
Luminance	0.0227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D180F #0F444D

analogous

#4D0F25 #4D180F #4D370F

triadic

#4D180F #0F4D18 #180F4D

tetradic

#4D180F #254D0F #0F444D #370F4D

square

#4D180F #254D0F #0F444D #370F4D

split-complementary

#4D180F #0F4D37 #0F254D

monochromatic

#1A0805 #1A0805 #4D180F #802819 #B33823

Accessibility & contrast

On white

14.45

#4D180F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#4D180F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D180F

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D180F	#FFFFFF	#000000	##FFFFFF
##4D180F	1.00	14.45	1.45	14.45
#FFFFFF	14.45	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27220E

Deuteranopia (green-blind)

#342E0D

Tritanopia (blue-blind)

#550B16

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4d180f;
/* rgb */ color: rgb(77, 24, 15);
/* oklch */ color: oklch(29.2% 0.082 31.9);

Tailwind

colors: {
  custom: {
    50: '#84584e',
    500: '#4d180f',
    950: '#000000',
  },
}

SCSS

$custom: #4d180f;
$custom-light: #84584e;
$custom-dark: #000000;

JSON

{
  "hex": "#4d180f",
  "rgb": {
    "r": 77,
    "g": 24,
    "b": 15
  },
  "hsl": {
    "h": 8.71,
    "s": 67.391,
    "l": 18.039
  },
  "oklch": {
    "l": 0.29229,
    "c": 0.08235,
    "h": 31.9
  },
  "luminance": 0.02266
}

Semantic roles & 50–950 ramp

primary

#4D180F

secondary

#317B87

accent

#D1EA3E

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4D180F

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

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