#4D101A#4D101A

#4D101A is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.4% C 0.090 H 16.0°. Best body text is #FFFFFF at 14.95:1 contrast (WCAG AA passes).

Color values

HEX	#4D101A
RGB	rgb(77, 16, 26)
HSL	hsl(350, 66%, 18%)
HSV	hsv(350, 79%, 30%)
CMYK	cmyk(0%, 79.2%, 66.2%, 69.8%)
CIE-LAB	lab(15.61, 29.03, 10.15)
CIE-LCH	lch(15.61, 30.75, 19.28°)
OKLab	oklab(28.38% 0.0869 0.0249)
OKLCH	oklch(28.38% 0.09 16)
XYZ	xyz(3.4327, 2.0234, 1.1869)
Luminance	0.0202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D101A #104D43

analogous

#4D1038 #4D101A #4D2410

triadic

#4D101A #1A4D10 #101A4D

tetradic

#4D101A #384D10 #104D43 #24104D

square

#4D101A #384D10 #104D43 #24104D

split-complementary

#4D101A #104D24 #10384D

monochromatic

#190509 #1A0509 #4D101A #801B2B #B2253C

Accessibility & contrast

On white

14.95

#4D101A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4D101A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D101A

14.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D101A	#FFFFFF	#000000	##FFFFFF
##4D101A	1.00	14.95	1.40	14.95
#FFFFFF	14.95	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201F1A

Deuteranopia (green-blind)

#302C18

Tritanopia (blue-blind)

#550214

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4d101a;
/* rgb */ color: rgb(77, 16, 26);
/* oklch */ color: oklch(28.4% 0.090 16.0);

Tailwind

colors: {
  custom: {
    50: '#845456',
    500: '#4d101a',
    950: '#000000',
  },
}

SCSS

$custom: #4d101a;
$custom-light: #845456;
$custom-dark: #000000;

JSON

{
  "hex": "#4d101a",
  "rgb": {
    "r": 77,
    "g": 16,
    "b": 26
  },
  "hsl": {
    "h": 350.164,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28384,
    "c": 0.09041,
    "h": 16
  },
  "luminance": 0.02023
}

Semantic roles & 50–950 ramp

primary

#4D101A

secondary

#328779

accent

#E9CD3F

background

#F8F5F5

surface

#F0E8E8

border

#CBC4C4

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D101A

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

Preview Lab → · Contrast checker → · Palette generator →