#4C101A#4C101A

#4C101A is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.2% C 0.089 H 15.7°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#4C101A
RGB	rgb(76, 16, 26)
HSL	hsl(350, 65%, 18%)
HSV	hsv(350, 79%, 30%)
CMYK	cmyk(0%, 78.9%, 65.8%, 70.2%)
CIE-LAB	lab(15.39, 28.66, 9.83)
CIE-LCH	lch(15.39, 30.30, 18.93°)
OKLab	oklab(28.18% 0.0859 0.0241)
OKLCH	oklch(28.18% 0.089 15.7)
XYZ	xyz(3.3526, 1.9821, 1.1831)
Luminance	0.0198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C101A #104C42

analogous

#4C1038 #4C101A #4C2410

triadic

#4C101A #1A4C10 #101A4C

tetradic

#4C101A #384C10 #104C42 #24104C

square

#4C101A #384C10 #104C42 #24104C

split-complementary

#4C101A #104C24 #10384C

monochromatic

#190509 #190509 #4C101A #7F1B2B #B1253D

Accessibility & contrast

On white

15.04

#4C101A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4C101A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C101A

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C101A	#FFFFFF	#000000	##FFFFFF
##4C101A	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201F1A

Deuteranopia (green-blind)

#2F2B18

Tritanopia (blue-blind)

#540214

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4c101a;
/* rgb */ color: rgb(76, 16, 26);
/* oklch */ color: oklch(28.2% 0.089 15.7);

Tailwind

colors: {
  custom: {
    50: '#835356',
    500: '#4c101a',
    950: '#000000',
  },
}

SCSS

$custom: #4c101a;
$custom-light: #835356;
$custom-dark: #000000;

JSON

{
  "hex": "#4c101a",
  "rgb": {
    "r": 76,
    "g": 16,
    "b": 26
  },
  "hsl": {
    "h": 350,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28183,
    "c": 0.08924,
    "h": 15.7
  },
  "luminance": 0.01982
}

Semantic roles & 50–950 ramp

primary

#4C101A

secondary

#328678

accent

#E8CC40

background

#F8F4F5

surface

#F0E8E8

border

#CBC4C4

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4C101A

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

Preview Lab → · Contrast checker → · Palette generator →