#4C271B#4C271B

#4C271B is a dark, muted red. Relative luminance 0.031; OKLCH L 31.9% C 0.060 H 38.7°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#4C271B
RGB	rgb(76, 39, 27)
HSL	hsl(15, 48%, 20%)
HSV	hsv(15, 64%, 30%)
CMYK	cmyk(0%, 48.7%, 64.5%, 70.2%)
CIE-LAB	lab(20.31, 16.01, 15.49)
CIE-LCH	lch(20.31, 22.28, 44.07°)
OKLab	oklab(31.9% 0.0465 0.0372)
OKLCH	oklch(31.9% 0.06 38.7)
XYZ	xyz(3.9041, 3.0671, 1.4231)
Luminance	0.0307 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C271B #1B404C

analogous

#4C1B27 #4C271B #4C3F1B

triadic

#4C271B #1B4C27 #271B4C

tetradic

#4C271B #274C1B #1B404C #3F1B4C

square

#4C271B #274C1B #1B404C #3F1B4C

split-complementary

#4C271B #1B4C3F #1B274C

monochromatic

#170C08 #1F100B #4C271B #793E2B #A6553B

Accessibility & contrast

On white

13.02

#4C271B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#4C271B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C271B

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C271B	#FFFFFF	#000000	##FFFFFF
##4C271B	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1A

Deuteranopia (green-blind)

#39341A

Tritanopia (blue-blind)

#532124

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #4c271b;
/* rgb */ color: rgb(76, 39, 27);
/* oklch */ color: oklch(31.9% 0.060 38.7);

Tailwind

colors: {
  custom: {
    50: '#816157',
    500: '#4c271b',
    950: '#000000',
  },
}

SCSS

$custom: #4c271b;
$custom-light: #816157;
$custom-dark: #000000;

JSON

{
  "hex": "#4c271b",
  "rgb": {
    "r": 76,
    "g": 39,
    "b": 27
  },
  "hsl": {
    "h": 14.694,
    "s": 47.573,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31904,
    "c": 0.05952,
    "h": 38.7
  },
  "luminance": 0.03067
}

Semantic roles & 50–950 ramp

primary

#4C271B

secondary

#417282

accent

#B6D751

background

#F8F5F5

surface

#EFEAE9

border

#CAC6C5

text

#0B0503

muted

#7C7978

Preview Lab

Preview with #4C271B

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

Preview Lab → · Contrast checker → · Palette generator →