#4D101C#4D101C

#4D101C is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.4% C 0.091 H 13.9°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#4D101C
RGB	rgb(77, 16, 28)
HSL	hsl(348, 66%, 18%)
HSV	hsv(348, 79%, 30%)
CMYK	cmyk(0%, 79.2%, 63.6%, 69.8%)
CIE-LAB	lab(15.66, 29.19, 8.77)
CIE-LCH	lch(15.66, 30.48, 16.72°)
OKLab	oklab(28.44% 0.0879 0.0217)
OKLCH	oklch(28.44% 0.091 13.9)
XYZ	xyz(3.4558, 2.0327, 1.3088)
Luminance	0.0203 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D101C #104D41

analogous

#4D103A #4D101C #4D2210

triadic

#4D101C #1C4D10 #101C4D

tetradic

#4D101C #3A4D10 #104D41 #22104D

square

#4D101C #3A4D10 #104D41 #22104D

split-complementary

#4D101C #104D22 #103A4D

monochromatic

#190509 #1A050A #4D101C #801B2E #B22541

Accessibility & contrast

On white

14.93

#4D101C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4D101C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D101C

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D101C	#FFFFFF	#000000	##FFFFFF
##4D101C	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201F1C

Deuteranopia (green-blind)

#302C1A

Tritanopia (blue-blind)

#550215

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4d101c;
/* rgb */ color: rgb(77, 16, 28);
/* oklch */ color: oklch(28.4% 0.091 13.9);

Tailwind

colors: {
  custom: {
    50: '#835457',
    500: '#4d101c',
    950: '#000000',
  },
}

SCSS

$custom: #4d101c;
$custom-light: #835457;
$custom-dark: #000000;

JSON

{
  "hex": "#4d101c",
  "rgb": {
    "r": 77,
    "g": 16,
    "b": 28
  },
  "hsl": {
    "h": 348.197,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28435,
    "c": 0.09051,
    "h": 13.9
  },
  "luminance": 0.02032
}

Semantic roles & 50–950 ramp

primary

#4D101C

secondary

#328776

accent

#E9C73F

background

#F8F5F5

surface

#F0E8E9

border

#CBC4C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D101C

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

Preview Lab → · Contrast checker → · Palette generator →