#4B180E#4B180E

#4B180E is a dark, moderate red. Relative luminance 0.022; OKLCH L 28.8% C 0.080 H 33.0°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#4B180E
RGB	rgb(75, 24, 14)
HSL	hsl(10, 69%, 17%)
HSV	hsv(10, 81%, 29%)
CMYK	cmyk(0%, 68%, 81.3%, 70.6%)
CIE-LAB	lab(16.41, 23.54, 18.82)
CIE-LCH	lch(16.41, 30.14, 38.65°)
OKLab	oklab(28.84% 0.0671 0.0436)
OKLCH	oklch(28.84% 0.08 33)
XYZ	xyz(3.3079, 2.1813, 0.6622)
Luminance	0.0218 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B180E #0E414B

analogous

#4B0E23 #4B180E #4B360E

triadic

#4B180E #0E4B18 #180E4B

tetradic

#4B180E #234B0E #0E414B #360E4B

square

#4B180E #234B0E #0E414B #360E4B

split-complementary

#4B180E #0E4B36 #0E234B

monochromatic

#1A0805 #1A0805 #4B180E #7F2918 #B23921

Accessibility & contrast

On white

14.62

#4B180E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4B180E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B180E

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B180E	#FFFFFF	#000000	##FFFFFF
##4B180E	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26220D

Deuteranopia (green-blind)

#332D0C

Tritanopia (blue-blind)

#530C16

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4b180e;
/* rgb */ color: rgb(75, 24, 14);
/* oklch */ color: oklch(28.8% 0.080 33.0);

Tailwind

colors: {
  custom: {
    50: '#82574d',
    500: '#4b180e',
    950: '#000000',
  },
}

SCSS

$custom: #4b180e;
$custom-light: #82574d;
$custom-dark: #000000;

JSON

{
  "hex": "#4b180e",
  "rgb": {
    "r": 75,
    "g": 24,
    "b": 14
  },
  "hsl": {
    "h": 9.836,
    "s": 68.539,
    "l": 17.451
  },
  "oklch": {
    "l": 0.28836,
    "c": 0.08004,
    "h": 33
  },
  "luminance": 0.02181
}

Semantic roles & 50–950 ramp

primary

#4B180E

secondary

#2F7886

accent

#CFEB3C

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0B0301

muted

#7C7877

Preview Lab

Preview with #4B180E

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

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