#4C090B#4C090B

#4C090B is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.2% C 0.097 H 25.4°. Best body text is #FFFFFF at 15.54:1 contrast (WCAG AA passes).

Color values

HEX	#4C090B
RGB	rgb(76, 9, 11)
HSL	hsl(358, 79%, 17%)
HSV	hsv(358, 88%, 30%)
CMYK	cmyk(0%, 88.2%, 85.5%, 70.2%)
CIE-LAB	lab(14.15, 30.45, 17.39)
CIE-LCH	lch(14.15, 35.06, 29.73°)
OKLab	oklab(27.17% 0.0879 0.0417)
OKLCH	oklch(27.17% 0.097 25.4)
XYZ	xyz(3.1390, 1.7565, 0.4903)
Luminance	0.0176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C090B #094C4A

analogous

#4C092D #4C090B #4C2909

triadic

#4C090B #0B4C09 #090B4C

tetradic

#4C090B #2D4C09 #094C4A #29094C

square

#4C090B #2D4C09 #094C4A #29094C

split-complementary

#4C090B #094C29 #092D4C

monochromatic

#1B0304 #1B0304 #4C090B #830F13 #B9161B

Accessibility & contrast

On white

15.54

#4C090B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#4C090B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C090B

15.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C090B	#FFFFFF	#000000	##FFFFFF
##4C090B	1.00	15.54	1.35	15.54
#FFFFFF	15.54	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1B0A

Deuteranopia (green-blind)

#2F2908

Tritanopia (blue-blind)

#55000B

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #4c090b;
/* rgb */ color: rgb(76, 9, 11);
/* oklch */ color: oklch(27.2% 0.097 25.4);

Tailwind

colors: {
  custom: {
    50: '#84504b',
    500: '#4c090b',
    950: '#000000',
  },
}

SCSS

$custom: #4c090b;
$custom-light: #84504b;
$custom-dark: #000000;

JSON

{
  "hex": "#4c090b",
  "rgb": {
    "r": 76,
    "g": 9,
    "b": 11
  },
  "hsl": {
    "h": 358.209,
    "s": 78.824,
    "l": 16.667
  },
  "oklch": {
    "l": 0.27173,
    "c": 0.09731,
    "h": 25.4
  },
  "luminance": 0.01756
}

Semantic roles & 50–950 ramp

primary

#4C090B

secondary

#288986

accent

#F5EF33

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0C0201

muted

#7D7877

Preview Lab

Preview with #4C090B

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

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