#4D151F#4D151F

#4D151F is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.1% C 0.084 H 13.5°. Best body text is #FFFFFF at 14.56:1 contrast (WCAG AA passes).

Color values

HEX	#4D151F
RGB	rgb(77, 21, 31)
HSL	hsl(349, 57%, 19%)
HSV	hsv(349, 73%, 30%)
CMYK	cmyk(0%, 72.7%, 59.7%, 69.8%)
CIE-LAB	lab(16.57, 27.16, 7.84)
CIE-LCH	lch(16.57, 28.27, 16.10°)
OKLab	oklab(29.14% 0.0819 0.0197)
OKLCH	oklch(29.14% 0.084 13.5)
XYZ	xyz(3.5764, 2.2135, 1.5350)
Luminance	0.0221 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D151F #154D43

analogous

#4D153B #4D151F #4D2715

triadic

#4D151F #1F4D15 #151F4D

tetradic

#4D151F #3B4D15 #154D43 #27154D

square

#4D151F #3B4D15 #154D43 #27154D

split-complementary

#4D151F #154D27 #153B4D

monochromatic

#18070A #1D080C #4D151F #7D2232 #AD2F46

Accessibility & contrast

On white

14.56

#4D151F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4D151F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D151F

14.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D151F	#FFFFFF	#000000	##FFFFFF
##4D151F	1.00	14.56	1.44	14.56
#FFFFFF	14.56	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22221F

Deuteranopia (green-blind)

#312D1E

Tritanopia (blue-blind)

#550A19

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4d151f;
/* rgb */ color: rgb(77, 21, 31);
/* oklch */ color: oklch(29.1% 0.084 13.5);

Tailwind

colors: {
  custom: {
    50: '#83565a',
    500: '#4d151f',
    950: '#000000',
  },
}

SCSS

$custom: #4d151f;
$custom-light: #83565a;
$custom-dark: #000000;

JSON

{
  "hex": "#4d151f",
  "rgb": {
    "r": 77,
    "g": 21,
    "b": 31
  },
  "hsl": {
    "h": 349.286,
    "s": 57.143,
    "l": 19.216
  },
  "oklch": {
    "l": 0.29139,
    "c": 0.08424,
    "h": 13.5
  },
  "luminance": 0.02213
}

Semantic roles & 50–950 ramp

primary

#4D151F

secondary

#398577

accent

#E0C547

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D151F

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

Preview Lab → · Contrast checker → · Palette generator →