#4C180E#4C180E

#4C180E is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.0% C 0.081 H 32.9°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#4C180E
RGB	rgb(76, 24, 14)
HSL	hsl(10, 69%, 18%)
HSV	hsv(10, 82%, 30%)
CMYK	cmyk(0%, 68.4%, 81.6%, 70.2%)
CIE-LAB	lab(16.61, 23.97, 19.12)
CIE-LCH	lch(16.61, 30.66, 38.58°)
OKLab	oklab(29.03% 0.0683 0.0441)
OKLCH	oklch(29.03% 0.081 32.9)
XYZ	xyz(3.3867, 2.2219, 0.6659)
Luminance	0.0222 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C180E #0E424C

analogous

#4C0E23 #4C180E #4C370E

triadic

#4C180E #0E4C18 #180E4C

tetradic

#4C180E #234C0E #0E424C #370E4C

square

#4C180E #234C0E #0E424C #370E4C

split-complementary

#4C180E #0E4C37 #0E234C

monochromatic

#1A0805 #1A0805 #4C180E #802818 #B33921

Accessibility & contrast

On white

14.54

#4C180E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4C180E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C180E

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C180E	#FFFFFF	#000000	##FFFFFF
##4C180E	1.00	14.54	1.44	14.54
#FFFFFF	14.54	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26220D

Deuteranopia (green-blind)

#332D0C

Tritanopia (blue-blind)

#540B16

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4c180e;
/* rgb */ color: rgb(76, 24, 14);
/* oklch */ color: oklch(29.0% 0.081 32.9);

Tailwind

colors: {
  custom: {
    50: '#83574d',
    500: '#4c180e',
    950: '#000000',
  },
}

SCSS

$custom: #4c180e;
$custom-light: #83574d;
$custom-dark: #000000;

JSON

{
  "hex": "#4c180e",
  "rgb": {
    "r": 76,
    "g": 24,
    "b": 14
  },
  "hsl": {
    "h": 9.677,
    "s": 68.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.29025,
    "c": 0.08133,
    "h": 32.9
  },
  "luminance": 0.02221
}

Semantic roles & 50–950 ramp

primary

#4C180E

secondary

#2F7987

accent

#CFEC3C

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4C180E

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

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