#4D191B#4D191B

#4D191B is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.6% C 0.079 H 21.0°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#4D191B
RGB	rgb(77, 25, 27)
HSL	hsl(358, 51%, 20%)
HSV	hsv(358, 68%, 30%)
CMYK	cmyk(0%, 67.5%, 64.9%, 69.8%)
CIE-LAB	lab(17.24, 24.75, 11.59)
CIE-LCH	lch(17.24, 27.32, 25.09°)
OKLab	oklab(29.61% 0.0735 0.0283)
OKLCH	oklch(29.61% 0.079 21)
XYZ	xyz(3.6064, 2.3526, 1.3009)
Luminance	0.0235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D191B #194D4B

analogous

#4D1935 #4D191B #4D3119

triadic

#4D191B #1B4D19 #191B4D

tetradic

#4D191B #354D19 #194D4B #31194D

square

#4D191B #354D19 #194D4B #31194D

split-complementary

#4D191B #194D31 #19354D

monochromatic

#170808 #1F0A0B #4D191B #7B282B #A9373B

Accessibility & contrast

On white

14.28

#4D191B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#4D191B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D191B

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D191B	#FFFFFF	#000000	##FFFFFF
##4D191B	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241B

Deuteranopia (green-blind)

#332E1A

Tritanopia (blue-blind)

#550F1A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4d191b;
/* rgb */ color: rgb(77, 25, 27);
/* oklch */ color: oklch(29.6% 0.079 21.0);

Tailwind

colors: {
  custom: {
    50: '#835857',
    500: '#4d191b',
    950: '#000000',
  },
}

SCSS

$custom: #4d191b;
$custom-light: #835857;
$custom-dark: #000000;

JSON

{
  "hex": "#4d191b",
  "rgb": {
    "r": 77,
    "g": 25,
    "b": 27
  },
  "hsl": {
    "h": 357.692,
    "s": 50.98,
    "l": 20
  },
  "oklch": {
    "l": 0.29608,
    "c": 0.07877,
    "h": 21
  },
  "luminance": 0.02352
}

Semantic roles & 50–950 ramp

primary

#4D191B

secondary

#3E8381

accent

#DAD54D

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D191B

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

Preview Lab → · Contrast checker → · Palette generator →