#4D171B#4D171B

#4D171B is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.3% C 0.081 H 19.4°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#4D171B
RGB	rgb(77, 23, 27)
HSL	hsl(356, 54%, 20%)
HSV	hsv(356, 70%, 30%)
CMYK	cmyk(0%, 70.1%, 64.9%, 69.8%)
CIE-LAB	lab(16.85, 25.79, 11.07)
CIE-LCH	lch(16.85, 28.07, 23.23°)
OKLab	oklab(29.31% 0.0769 0.0271)
OKLCH	oklch(29.31% 0.081 19.4)
XYZ	xyz(3.5651, 2.2702, 1.2872)
Luminance	0.0227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D171B #174D49

analogous

#4D1736 #4D171B #4D2E17

triadic

#4D171B #1B4D17 #171B4D

tetradic

#4D171B #364D17 #174D49 #2E174D

square

#4D171B #364D17 #174D49 #2E174D

split-complementary

#4D171B #174D2E #17364D

monochromatic

#180708 #1E090A #4D171B #7C252C #AB333C

Accessibility & contrast

On white

14.44

#4D171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#4D171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D171B

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D171B	#FFFFFF	#000000	##FFFFFF
##4D171B	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25221B

Deuteranopia (green-blind)

#322E1A

Tritanopia (blue-blind)

#550C19

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4d171b;
/* rgb */ color: rgb(77, 23, 27);
/* oklch */ color: oklch(29.3% 0.081 19.4);

Tailwind

colors: {
  custom: {
    50: '#835757',
    500: '#4d171b',
    950: '#000000',
  },
}

SCSS

$custom: #4d171b;
$custom-light: #835757;
$custom-dark: #000000;

JSON

{
  "hex": "#4d171b",
  "rgb": {
    "r": 77,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 355.556,
    "s": 54,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29313,
    "c": 0.08147,
    "h": 19.4
  },
  "luminance": 0.0227
}

Semantic roles & 50–950 ramp

primary

#4D171B

secondary

#3C847F

accent

#DDD24A

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D171B

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

Preview Lab → · Contrast checker → · Palette generator →