#4E100B#4E100B

#4E100B is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.3% C 0.093 H 29.0°. Best body text is #FFFFFF at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#4E100B
RGB	rgb(78, 16, 11)
HSL	hsl(4, 75%, 17%)
HSV	hsv(4, 86%, 31%)
CMYK	cmyk(0%, 79.5%, 85.9%, 69.4%)
CIE-LAB	lab(15.57, 28.49, 19.30)
CIE-LCH	lch(15.57, 34.41, 34.11°)
OKLab	oklab(28.31% 0.0815 0.0451)
OKLCH	oklch(28.31% 0.093 29)
XYZ	xyz(3.3880, 2.0150, 0.5271)
Luminance	0.0201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E100B #0B494E

analogous

#4E0B27 #4E100B #4E320B

triadic

#4E100B #0B4E10 #100B4E

tetradic

#4E100B #274E0B #0B494E #320B4E

square

#4E100B #274E0B #0B494E #320B4E

split-complementary

#4E100B #0B4E32 #0B274E

monochromatic

#1B0604 #1B0604 #4E100B #841B13 #B9261A

Accessibility & contrast

On white

14.97

#4E100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4E100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E100B

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E100B	#FFFFFF	#000000	##FFFFFF
##4E100B	1.00	14.97	1.40	14.97
#FFFFFF	14.97	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221E0A

Deuteranopia (green-blind)

#322C08

Tritanopia (blue-blind)

#57000F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4e100b;
/* rgb */ color: rgb(78, 16, 11);
/* oklch */ color: oklch(28.3% 0.093 29.0);

Tailwind

colors: {
  custom: {
    50: '#86534b',
    500: '#4e100b',
    950: '#000000',
  },
}

SCSS

$custom: #4e100b;
$custom-light: #86534b;
$custom-dark: #000000;

JSON

{
  "hex": "#4e100b",
  "rgb": {
    "r": 78,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 4.478,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.28306,
    "c": 0.09313,
    "h": 29
  },
  "luminance": 0.02014
}

Semantic roles & 50–950 ramp

primary

#4E100B

secondary

#2B838A

accent

#E4F236

background

#F8F4F4

surface

#F0E8E7

border

#CBC4C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4E100B

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

Preview Lab → · Contrast checker → · Palette generator →