#4D231B#4D231B

#4D231B is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.3% C 0.066 H 32.1°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#4D231B
RGB	rgb(77, 35, 27)
HSL	hsl(10, 48%, 20%)
HSV	hsv(10, 65%, 30%)
CMYK	cmyk(0%, 54.5%, 64.9%, 69.8%)
CIE-LAB	lab(19.47, 18.96, 14.47)
CIE-LCH	lch(19.47, 23.85, 37.34°)
OKLab	oklab(31.3% 0.0555 0.0349)
OKLCH	oklch(31.3% 0.066 32.1)
XYZ	xyz(3.8597, 2.8594, 1.3854)
Luminance	0.0286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D231B #1B454D

analogous

#4D1B2C #4D231B #4D3C1B

triadic

#4D231B #1B4D23 #231B4D

tetradic

#4D231B #2C4D1B #1B454D #3C1B4D

square

#4D231B #2C4D1B #1B454D #3C1B4D

split-complementary

#4D231B #1B4D3C #1B2C4D

monochromatic

#170A08 #200E0B #4D231B #7A382B #A84C3B

Accessibility & contrast

On white

13.36

#4D231B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#4D231B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D231B

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D231B	#FFFFFF	#000000	##FFFFFF
##4D231B	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2A1A

Deuteranopia (green-blind)

#38331A

Tritanopia (blue-blind)

#551C21

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #4d231b;
/* rgb */ color: rgb(77, 35, 27);
/* oklch */ color: oklch(31.3% 0.066 32.1);

Tailwind

colors: {
  custom: {
    50: '#825f57',
    500: '#4d231b',
    950: '#000000',
  },
}

SCSS

$custom: #4d231b;
$custom-light: #825f57;
$custom-dark: #000000;

JSON

{
  "hex": "#4d231b",
  "rgb": {
    "r": 77,
    "g": 35,
    "b": 27
  },
  "hsl": {
    "h": 9.6,
    "s": 48.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31298,
    "c": 0.0655,
    "h": 32.1
  },
  "luminance": 0.02859
}

Semantic roles & 50–950 ramp

primary

#4D231B

secondary

#417883

accent

#C2D850

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0403

muted

#7C7978

Preview Lab

Preview with #4D231B

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

Preview Lab → · Contrast checker → · Palette generator →