#4F180C#4F180C

#4F180C is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.6% C 0.086 H 33.9°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#4F180C
RGB	rgb(79, 24, 12)
HSL	hsl(11, 74%, 18%)
HSV	hsv(11, 85%, 31%)
CMYK	cmyk(0%, 69.6%, 84.8%, 69%)
CIE-LAB	lab(17.19, 25.13, 20.92)
CIE-LCH	lch(17.19, 32.70, 39.79°)
OKLab	oklab(29.57% 0.0711 0.0478)
OKLCH	oklch(29.57% 0.086 33.9)
XYZ	xyz(3.6178, 2.3426, 0.6094)
Luminance	0.0234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F180C #0C434F

analogous

#4F0C22 #4F180C #4F390C

triadic

#4F180C #0C4F18 #180C4F

tetradic

#4F180C #224F0C #0C434F #390C4F

square

#4F180C #224F0C #0C434F #390C4F

split-complementary

#4F180C #0C4F39 #0C224F

monochromatic

#1B0804 #1B0804 #4F180C #842814 #B9381C

Accessibility & contrast

On white

14.30

#4F180C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#4F180C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F180C

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F180C	#FFFFFF	#000000	##FFFFFF
##4F180C	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28230A

Deuteranopia (green-blind)

#352F0A

Tritanopia (blue-blind)

#580A16

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4f180c;
/* rgb */ color: rgb(79, 24, 12);
/* oklch */ color: oklch(29.6% 0.086 33.9);

Tailwind

colors: {
  custom: {
    50: '#86584c',
    500: '#4f180c',
    950: '#000000',
  },
}

SCSS

$custom: #4f180c;
$custom-light: #86584c;
$custom-dark: #000000;

JSON

{
  "hex": "#4f180c",
  "rgb": {
    "r": 79,
    "g": 24,
    "b": 12
  },
  "hsl": {
    "h": 10.746,
    "s": 73.626,
    "l": 17.843
  },
  "oklch": {
    "l": 0.29569,
    "c": 0.08566,
    "h": 33.9
  },
  "luminance": 0.02342
}

Semantic roles & 50–950 ramp

primary

#4F180C

secondary

#2C7A8B

accent

#CFF038

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4F180C

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

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