#4D100F#4D100F

#4D100F is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.2% C 0.091 H 26.0°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#4D100F
RGB	rgb(77, 16, 15)
HSL	hsl(1, 67%, 18%)
HSV	hsv(1, 81%, 30%)
CMYK	cmyk(0%, 79.2%, 80.5%, 69.8%)
CIE-LAB	lab(15.40, 28.30, 17.12)
CIE-LCH	lch(15.40, 33.08, 31.17°)
OKLab	oklab(28.16% 0.082 0.04)
OKLCH	oklch(28.16% 0.091 26)
XYZ	xyz(3.3325, 1.9834, 0.6592)
Luminance	0.0198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D100F #0F4C4D

analogous

#4D0F2D #4D100F #4D2F0F

triadic

#4D100F #0F4D10 #100F4D

tetradic

#4D100F #2D4D0F #0F4C4D #2F0F4D

square

#4D100F #2D4D0F #0F4C4D #2F0F4D

split-complementary

#4D100F #0F4D2F #0F2D4D

monochromatic

#1A0505 #1A0505 #4D100F #801B19 #B32523

Accessibility & contrast

On white

15.04

#4D100F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4D100F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D100F

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D100F	#FFFFFF	#000000	##FFFFFF
##4D100F	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)

#221E0E

Deuteranopia (green-blind)

#312B0D

Tritanopia (blue-blind)

#550010

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4d100f;
/* rgb */ color: rgb(77, 16, 15);
/* oklch */ color: oklch(28.2% 0.091 26.0);

Tailwind

colors: {
  custom: {
    50: '#85534d',
    500: '#4d100f',
    950: '#000000',
  },
}

SCSS

$custom: #4d100f;
$custom-light: #85534d;
$custom-dark: #000000;

JSON

{
  "hex": "#4d100f",
  "rgb": {
    "r": 77,
    "g": 16,
    "b": 15
  },
  "hsl": {
    "h": 0.968,
    "s": 67.391,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28159,
    "c": 0.09127,
    "h": 26
  },
  "luminance": 0.01983
}

Semantic roles & 50–950 ramp

primary

#4D100F

secondary

#318687

accent

#E7EA3E

background

#F8F4F4

surface

#F0E8E7

border

#CBC4C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4D100F

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

Preview Lab → · Contrast checker → · Palette generator →