#4D170B#4D170B

#4D170B is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.0% C 0.085 H 34.0°. Best body text is #FFFFFF at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#4D170B
RGB	rgb(77, 23, 11)
HSL	hsl(11, 75%, 17%)
HSV	hsv(11, 86%, 30%)
CMYK	cmyk(0%, 70.1%, 85.7%, 69.8%)
CIE-LAB	lab(16.58, 24.77, 20.52)
CIE-LCH	lch(16.58, 32.17, 39.64°)
OKLab	oklab(29.03% 0.07 0.0473)
OKLCH	oklch(29.03% 0.085 34)
XYZ	xyz(3.4277, 2.2152, 0.5636)
Luminance	0.0221 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D170B #0B414D

analogous

#4D0B20 #4D170B #4D380B

triadic

#4D170B #0B4D17 #170B4D

tetradic

#4D170B #204D0B #0B414D #380B4D

square

#4D170B #204D0B #0B414D #380B4D

split-complementary

#4D170B #0B4D38 #0B204D

monochromatic

#1B0804 #1B0804 #4D170B #832713 #B8371A

Accessibility & contrast

On white

14.55

#4D170B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4D170B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D170B

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D170B	#FFFFFF	#000000	##FFFFFF
##4D170B	1.00	14.55	1.44	14.55
#FFFFFF	14.55	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262109

Deuteranopia (green-blind)

#342D09

Tritanopia (blue-blind)

#550915

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4d170b;
/* rgb */ color: rgb(77, 23, 11);
/* oklch */ color: oklch(29.0% 0.085 34.0);

Tailwind

colors: {
  custom: {
    50: '#84574b',
    500: '#4d170b',
    950: '#000000',
  },
}

SCSS

$custom: #4d170b;
$custom-light: #84574b;
$custom-dark: #000000;

JSON

{
  "hex": "#4d170b",
  "rgb": {
    "r": 77,
    "g": 23,
    "b": 11
  },
  "hsl": {
    "h": 10.909,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.29027,
    "c": 0.0845,
    "h": 34
  },
  "luminance": 0.02215
}

Semantic roles & 50–950 ramp

primary

#4D170B

secondary

#2B7889

accent

#D0F236

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4D170B

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

Preview Lab → · Contrast checker → · Palette generator →