#4D191F#4D191F

#4D191F is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.7% C 0.079 H 16.4°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#4D191F
RGB	rgb(77, 25, 31)
HSL	hsl(353, 51%, 20%)
HSV	hsv(353, 68%, 30%)
CMYK	cmyk(0%, 67.5%, 59.7%, 69.8%)
CIE-LAB	lab(17.33, 25.11, 8.88)
CIE-LCH	lch(17.33, 26.63, 19.47°)
OKLab	oklab(29.71% 0.0754 0.0222)
OKLCH	oklch(29.71% 0.079 16.4)
XYZ	xyz(3.6558, 2.3724, 1.5615)
Luminance	0.0237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D191F #194D47

analogous

#4D1939 #4D191F #4D2D19

triadic

#4D191F #1F4D19 #191F4D

tetradic

#4D191F #394D19 #194D47 #2D194D

square

#4D191F #394D19 #194D47 #2D194D

split-complementary

#4D191F #194D2D #19394D

monochromatic

#170809 #1F0A0C #4D191F #7B2832 #A93744

Accessibility & contrast

On white

14.24

#4D191F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#4D191F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D191F

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D191F	#FFFFFF	#000000	##FFFFFF
##4D191F	1.00	14.24	1.47	14.24
#FFFFFF	14.24	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25241F

Deuteranopia (green-blind)

#332F1E

Tritanopia (blue-blind)

#55101B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #4d191f;
/* rgb */ color: rgb(77, 25, 31);
/* oklch */ color: oklch(29.7% 0.079 16.4);

Tailwind

colors: {
  custom: {
    50: '#83585a',
    500: '#4d191f',
    950: '#000000',
  },
}

SCSS

$custom: #4d191f;
$custom-light: #83585a;
$custom-dark: #000000;

JSON

{
  "hex": "#4d191f",
  "rgb": {
    "r": 77,
    "g": 25,
    "b": 31
  },
  "hsl": {
    "h": 353.077,
    "s": 50.98,
    "l": 20
  },
  "oklch": {
    "l": 0.29708,
    "c": 0.07859,
    "h": 16.4
  },
  "luminance": 0.02372
}

Semantic roles & 50–950 ramp

primary

#4D191F

secondary

#3E837B

accent

#DACA4D

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D191F

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

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