#4B1810#4B1810

#4B1810 is a dark, moderate red. Relative luminance 0.022; OKLCH L 28.9% C 0.080 H 31.3°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#4B1810
RGB	rgb(75, 24, 16)
HSL	hsl(8, 65%, 18%)
HSV	hsv(8, 79%, 29%)
CMYK	cmyk(0%, 68%, 78.7%, 70.6%)
CIE-LAB	lab(16.44, 23.66, 17.80)
CIE-LCH	lch(16.44, 29.60, 36.96°)
OKLab	oklab(28.87% 0.0679 0.0413)
OKLCH	oklch(28.87% 0.08 31.3)
XYZ	xyz(3.3222, 2.1870, 0.7373)
Luminance	0.0219 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1810 #10434B

analogous

#4B1025 #4B1810 #4B3510

triadic

#4B1810 #104B18 #18104B

tetradic

#4B1810 #254B10 #10434B #35104B

square

#4B1810 #254B10 #10434B #35104B

split-complementary

#4B1810 #104B35 #10254B

monochromatic

#190805 #190805 #4B1810 #7D281B #B03826

Accessibility & contrast

On white

14.61

#4B1810 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4B1810 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1810

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1810	#FFFFFF	#000000	##FFFFFF
##4B1810	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26220F

Deuteranopia (green-blind)

#332D0E

Tritanopia (blue-blind)

#530C16

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4b1810;
/* rgb */ color: rgb(75, 24, 16);
/* oklch */ color: oklch(28.9% 0.080 31.3);

Tailwind

colors: {
  custom: {
    50: '#82574e',
    500: '#4b1810',
    950: '#000000',
  },
}

SCSS

$custom: #4b1810;
$custom-light: #82574e;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1810",
  "rgb": {
    "r": 75,
    "g": 24,
    "b": 16
  },
  "hsl": {
    "h": 8.136,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.28866,
    "c": 0.0795,
    "h": 31.3
  },
  "luminance": 0.02187
}

Semantic roles & 50–950 ramp

primary

#4B1810

secondary

#327A85

accent

#D1E840

background

#F8F5F4

surface

#EFE9E7

border

#CAC5C3

text

#0B0301

muted

#7C7877

Preview Lab

Preview with #4B1810

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

Preview Lab → · Contrast checker → · Palette generator →