#4F100B#4F100B

#4F100B is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.5% C 0.094 H 28.9°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#4F100B
RGB	rgb(79, 16, 11)
HSL	hsl(4, 76%, 18%)
HSV	hsv(4, 86%, 31%)
CMYK	cmyk(0%, 79.7%, 86.1%, 69%)
CIE-LAB	lab(15.79, 28.87, 19.62)
CIE-LCH	lch(15.79, 34.91, 34.21°)
OKLab	oklab(28.51% 0.0825 0.0456)
OKLCH	oklch(28.51% 0.094 28.9)
XYZ	xyz(3.4706, 2.0575, 0.5309)
Luminance	0.0206 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F100B #0B4A4F

analogous

#4F0B28 #4F100B #4F320B

triadic

#4F100B #0B4F10 #100B4F

tetradic

#4F100B #284F0B #0B4A4F #320B4F

square

#4F100B #284F0B #0B4A4F #320B4F

split-complementary

#4F100B #0B4F32 #0B284F

monochromatic

#1B0504 #1B0504 #4F100B #851B12 #BA261A

Accessibility & contrast

On white

14.88

#4F100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4F100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F100B

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F100B	#FFFFFF	#000000	##FFFFFF
##4F100B	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0A

Deuteranopia (green-blind)

#322C08

Tritanopia (blue-blind)

#58000F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4f100b;
/* rgb */ color: rgb(79, 16, 11);
/* oklch */ color: oklch(28.5% 0.094 28.9);

Tailwind

colors: {
  custom: {
    50: '#87544b',
    500: '#4f100b',
    950: '#000000',
  },
}

SCSS

$custom: #4f100b;
$custom-light: #87544b;
$custom-dark: #000000;

JSON

{
  "hex": "#4f100b",
  "rgb": {
    "r": 79,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 4.412,
    "s": 75.556,
    "l": 17.647
  },
  "oklch": {
    "l": 0.28511,
    "c": 0.09432,
    "h": 28.9
  },
  "luminance": 0.02057
}

Semantic roles & 50–950 ramp

primary

#4F100B

secondary

#2B848B

accent

#E4F236

background

#F8F4F4

surface

#F0E8E7

border

#CBC4C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4F100B

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

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