#4D180E#4D180E

#4D180E is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.2% C 0.083 H 32.7°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#4D180E
RGB	rgb(77, 24, 14)
HSL	hsl(10, 69%, 18%)
HSV	hsv(10, 82%, 30%)
CMYK	cmyk(0%, 68.8%, 81.8%, 69.8%)
CIE-LAB	lab(16.81, 24.39, 19.41)
CIE-LCH	lch(16.81, 31.17, 38.51°)
OKLab	oklab(29.21% 0.0695 0.0447)
OKLCH	oklch(29.21% 0.083 32.7)
XYZ	xyz(3.4668, 2.2632, 0.6697)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D180E #0E434D

analogous

#4D0E23 #4D180E #4D370E

triadic

#4D180E #0E4D18 #180E4D

tetradic

#4D180E #234D0E #0E434D #370E4D

square

#4D180E #234D0E #0E434D #370E4D

split-complementary

#4D180E #0E4D37 #0E234D

monochromatic

#1A0805 #1A0805 #4D180E #812817 #B53821

Accessibility & contrast

On white

14.46

#4D180E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#4D180E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D180E

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D180E	#FFFFFF	#000000	##FFFFFF
##4D180E	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27220D

Deuteranopia (green-blind)

#342E0C

Tritanopia (blue-blind)

#550B16

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4d180e;
/* rgb */ color: rgb(77, 24, 14);
/* oklch */ color: oklch(29.2% 0.083 32.7);

Tailwind

colors: {
  custom: {
    50: '#84584d',
    500: '#4d180e',
    950: '#000000',
  },
}

SCSS

$custom: #4d180e;
$custom-light: #84584d;
$custom-dark: #000000;

JSON

{
  "hex": "#4d180e",
  "rgb": {
    "r": 77,
    "g": 24,
    "b": 14
  },
  "hsl": {
    "h": 9.524,
    "s": 69.231,
    "l": 17.843
  },
  "oklch": {
    "l": 0.29214,
    "c": 0.08261,
    "h": 32.7
  },
  "luminance": 0.02263
}

Semantic roles & 50–950 ramp

primary

#4D180E

secondary

#2F7A88

accent

#D0EC3C

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4D180E

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

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