#4B1817#4B1817

#4B1817 is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.0% C 0.078 H 24.4°. Best body text is #FFFFFF at 14.56:1 contrast (WCAG AA passes).

Color values

HEX	#4B1817
RGB	rgb(75, 24, 23)
HSL	hsl(1, 53%, 19%)
HSV	hsv(1, 69%, 29%)
CMYK	cmyk(0%, 68%, 69.3%, 70.6%)
CIE-LAB	lab(16.56, 24.13, 13.44)
CIE-LCH	lch(16.56, 27.63, 29.12°)
OKLab	oklab(29% 0.071 0.0322)
OKLCH	oklch(29% 0.078 24.4)
XYZ	xyz(3.3833, 2.2114, 1.0591)
Luminance	0.0221 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1817 #174A4B

analogous

#4B1730 #4B1817 #4B3217

triadic

#4B1817 #174B18 #18174B

tetradic

#4B1817 #304B17 #174A4B #32174B

square

#4B1817 #304B17 #174A4B #32174B

split-complementary

#4B1817 #174B32 #17304B

monochromatic

#170707 #1C0909 #4B1817 #7A2725 #A93634

Accessibility & contrast

On white

14.56

#4B1817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4B1817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1817

14.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1817	#FFFFFF	#000000	##FFFFFF
##4B1817	1.00	14.56	1.44	14.56
#FFFFFF	14.56	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252217

Deuteranopia (green-blind)

#322D16

Tritanopia (blue-blind)

#530E18

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4b1817;
/* rgb */ color: rgb(75, 24, 23);
/* oklch */ color: oklch(29.0% 0.078 24.4);

Tailwind

colors: {
  custom: {
    50: '#825753',
    500: '#4b1817',
    950: '#000000',
  },
}

SCSS

$custom: #4b1817;
$custom-light: #825753;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1817",
  "rgb": {
    "r": 75,
    "g": 24,
    "b": 23
  },
  "hsl": {
    "h": 1.154,
    "s": 53.061,
    "l": 19.216
  },
  "oklch": {
    "l": 0.28996,
    "c": 0.07797,
    "h": 24.4
  },
  "luminance": 0.02211
}

Semantic roles & 50–950 ramp

primary

#4B1817

secondary

#3C8182

accent

#DADC4B

background

#F8F5F4

surface

#EFE9E7

border

#CAC5C3

text

#0B0302

muted

#7C7878

Preview Lab

Preview with #4B1817

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

Preview Lab → · Contrast checker → · Palette generator →