#4C100E#4C100E

#4C100E is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.9% C 0.090 H 26.8°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#4C100E
RGB	rgb(76, 16, 14)
HSL	hsl(2, 69%, 18%)
HSV	hsv(2, 82%, 30%)
CMYK	cmyk(0%, 78.9%, 81.6%, 70.2%)
CIE-LAB	lab(15.17, 27.88, 17.30)
CIE-LCH	lch(15.17, 32.81, 31.82°)
OKLab	oklab(27.94% 0.0806 0.0406)
OKLCH	oklch(27.94% 0.09 26.8)
XYZ	xyz(3.2454, 1.9393, 0.6188)
Luminance	0.0194 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C100E #0E4A4C

analogous

#4C0E2B #4C100E #4C2F0E

triadic

#4C100E #0E4C10 #100E4C

tetradic

#4C100E #2B4C0E #0E4A4C #2F0E4C

square

#4C100E #2B4C0E #0E4A4C #2F0E4C

split-complementary

#4C100E #0E4C2F #0E2B4C

monochromatic

#1A0505 #1A0505 #4C100E #801B18 #B32621

Accessibility & contrast

On white

15.13

#4C100E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#4C100E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C100E

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C100E	#FFFFFF	#000000	##FFFFFF
##4C100E	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211E0D

Deuteranopia (green-blind)

#302B0C

Tritanopia (blue-blind)

#540010

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4c100e;
/* rgb */ color: rgb(76, 16, 14);
/* oklch */ color: oklch(27.9% 0.090 26.8);

Tailwind

colors: {
  custom: {
    50: '#84534d',
    500: '#4c100e',
    950: '#000000',
  },
}

SCSS

$custom: #4c100e;
$custom-light: #84534d;
$custom-dark: #000000;

JSON

{
  "hex": "#4c100e",
  "rgb": {
    "r": 76,
    "g": 16,
    "b": 14
  },
  "hsl": {
    "h": 1.935,
    "s": 68.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.2794,
    "c": 0.09022,
    "h": 26.8
  },
  "luminance": 0.01939
}

Semantic roles & 50–950 ramp

primary

#4C100E

secondary

#2F8487

accent

#E6EC3C

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4C100E

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

Preview Lab → · Contrast checker → · Palette generator →