#4D100C#4D100C

#4D100C is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.1% C 0.092 H 28.3°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#4D100C
RGB	rgb(77, 16, 12)
HSL	hsl(4, 73%, 17%)
HSV	hsv(4, 84%, 30%)
CMYK	cmyk(0%, 79.2%, 84.4%, 69.8%)
CIE-LAB	lab(15.36, 28.16, 18.55)
CIE-LCH	lch(15.36, 33.72, 33.37°)
OKLab	oklab(28.12% 0.0808 0.0435)
OKLCH	oklch(28.12% 0.092 28.3)
XYZ	xyz(3.3126, 1.9754, 0.5546)
Luminance	0.0198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D100C #0C494D

analogous

#4D0C29 #4D100C #4D300C

triadic

#4D100C #0C4D10 #100C4D

tetradic

#4D100C #294D0C #0C494D #300C4D

square

#4D100C #294D0C #0C494D #300C4D

split-complementary

#4D100C #0C4D30 #0C294D

monochromatic

#1A0604 #1A0604 #4D100C #821B14 #B7261D

Accessibility & contrast

On white

15.05

#4D100C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4D100C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D100C

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D100C	#FFFFFF	#000000	##FFFFFF
##4D100C	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221E0B

Deuteranopia (green-blind)

#312B0A

Tritanopia (blue-blind)

#560010

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4d100c;
/* rgb */ color: rgb(77, 16, 12);
/* oklch */ color: oklch(28.1% 0.092 28.3);

Tailwind

colors: {
  custom: {
    50: '#85534c',
    500: '#4d100c',
    950: '#000000',
  },
}

SCSS

$custom: #4d100c;
$custom-light: #85534c;
$custom-dark: #000000;

JSON

{
  "hex": "#4d100c",
  "rgb": {
    "r": 77,
    "g": 16,
    "b": 12
  },
  "hsl": {
    "h": 3.692,
    "s": 73.034,
    "l": 17.451
  },
  "oklch": {
    "l": 0.28115,
    "c": 0.09176,
    "h": 28.3
  },
  "luminance": 0.01975
}

Semantic roles & 50–950 ramp

primary

#4D100C

secondary

#2C8389

accent

#E4F038

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4D100C

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

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