#4B271D#4B271D

#4B271D is a dark, muted red. Relative luminance 0.030; OKLCH L 31.8% C 0.057 H 36.4°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#4B271D
RGB	rgb(75, 39, 29)
HSL	hsl(13, 44%, 20%)
HSV	hsv(13, 61%, 29%)
CMYK	cmyk(0%, 48%, 61.3%, 70.6%)
CIE-LAB	lab(20.19, 15.72, 13.97)
CIE-LCH	lch(20.19, 21.03, 41.62°)
OKLab	oklab(31.79% 0.0461 0.0339)
OKLCH	oklch(31.79% 0.057 36.4)
XYZ	xyz(3.8492, 3.0360, 1.5454)
Luminance	0.0304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B271D #1D414B

analogous

#4B1D2A #4B271D #4B3E1D

triadic

#4B271D #1D4B27 #271D4B

tetradic

#4B271D #2A4B1D #1D414B #3E1D4B

square

#4B271D #2A4B1D #1D414B #3E1D4B

split-complementary

#4B271D #1D4B3E #1D2A4B

monochromatic

#160B09 #1F100C #4B271D #773E2E #A3553F

Accessibility & contrast

On white

13.07

#4B271D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#4B271D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B271D

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B271D	#FFFFFF	#000000	##FFFFFF
##4B271D	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1C

Deuteranopia (green-blind)

#39341C

Tritanopia (blue-blind)

#522125

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #4b271d;
/* rgb */ color: rgb(75, 39, 29);
/* oklch */ color: oklch(31.8% 0.057 36.4);

Tailwind

colors: {
  custom: {
    50: '#806159',
    500: '#4b271d',
    950: '#000000',
  },
}

SCSS

$custom: #4b271d;
$custom-light: #806159;
$custom-dark: #000000;

JSON

{
  "hex": "#4b271d",
  "rgb": {
    "r": 75,
    "g": 39,
    "b": 29
  },
  "hsl": {
    "h": 13.043,
    "s": 44.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31789,
    "c": 0.05721,
    "h": 36.4
  },
  "luminance": 0.03036
}

Semantic roles & 50–950 ramp

primary

#4B271D

secondary

#447380

accent

#B8D454

background

#F8F5F5

surface

#EFEAE9

border

#CAC6C5

text

#0A0503

muted

#7C7978

Preview Lab

Preview with #4B271D

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

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