#4C101E#4C101E

#4C101E is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.3% C 0.090 H 11.5°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#4C101E
RGB	rgb(76, 16, 30)
HSL	hsl(346, 65%, 18%)
HSV	hsv(346, 79%, 30%)
CMYK	cmyk(0%, 78.9%, 60.5%, 70.2%)
CIE-LAB	lab(15.49, 29.00, 7.05)
CIE-LCH	lch(15.49, 29.85, 13.67°)
OKLab	oklab(28.29% 0.0878 0.0178)
OKLCH	oklch(28.29% 0.09 11.5)
XYZ	xyz(3.4004, 2.0013, 1.4353)
Luminance	0.0200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C101E #104C3E

analogous

#4C103C #4C101E #4C2010

triadic

#4C101E #1E4C10 #101E4C

tetradic

#4C101E #3C4C10 #104C3E #20104C

square

#4C101E #3C4C10 #104C3E #20104C

split-complementary

#4C101E #104C20 #103C4C

monochromatic

#19050A #19050A #4C101E #7F1B32 #B12546

Accessibility & contrast

On white

15.00

#4C101E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4C101E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C101E

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C101E	#FFFFFF	#000000	##FFFFFF
##4C101E	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1F1E

Deuteranopia (green-blind)

#2F2B1D

Tritanopia (blue-blind)

#540416

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4c101e;
/* rgb */ color: rgb(76, 16, 30);
/* oklch */ color: oklch(28.3% 0.090 11.5);

Tailwind

colors: {
  custom: {
    50: '#825459',
    500: '#4c101e',
    950: '#000000',
  },
}

SCSS

$custom: #4c101e;
$custom-light: #825459;
$custom-dark: #000000;

JSON

{
  "hex": "#4c101e",
  "rgb": {
    "r": 76,
    "g": 16,
    "b": 30
  },
  "hsl": {
    "h": 346,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28291,
    "c": 0.08954,
    "h": 11.5
  },
  "luminance": 0.02001
}

Semantic roles & 50–950 ramp

primary

#4C101E

secondary

#328672

accent

#E8C140

background

#F8F4F5

surface

#EFE8E9

border

#CAC4C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4C101E

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

Preview Lab → · Contrast checker → · Palette generator →