#4D101E#4D101E

#4D101E is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.5% C 0.091 H 11.8°. Best body text is #FFFFFF at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#4D101E
RGB	rgb(77, 16, 30)
HSL	hsl(346, 66%, 18%)
HSV	hsv(346, 79%, 30%)
CMYK	cmyk(0%, 79.2%, 61%, 69.8%)
CIE-LAB	lab(15.71, 29.36, 7.39)
CIE-LCH	lch(15.71, 30.27, 14.12°)
OKLab	oklab(28.49% 0.0888 0.0186)
OKLCH	oklch(28.49% 0.091 11.8)
XYZ	xyz(3.4805, 2.0426, 1.4390)
Luminance	0.0204 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D101E #104D3F

analogous

#4D103C #4D101E #4D2110

triadic

#4D101E #1E4D10 #101E4D

tetradic

#4D101E #3C4D10 #104D3F #21104D

square

#4D101E #3C4D10 #104D3F #21104D

split-complementary

#4D101E #104D21 #103C4D

monochromatic

#19050A #1A050A #4D101E #801B32 #B22545

Accessibility & contrast

On white

14.91

#4D101E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4D101E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D101E

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D101E	#FFFFFF	#000000	##FFFFFF
##4D101E	1.00	14.91	1.41	14.91
#FFFFFF	14.91	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201F1E

Deuteranopia (green-blind)

#2F2C1C

Tritanopia (blue-blind)

#550316

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4d101e;
/* rgb */ color: rgb(77, 16, 30);
/* oklch */ color: oklch(28.5% 0.091 11.8);

Tailwind

colors: {
  custom: {
    50: '#835459',
    500: '#4d101e',
    950: '#000000',
  },
}

SCSS

$custom: #4d101e;
$custom-light: #835459;
$custom-dark: #000000;

JSON

{
  "hex": "#4d101e",
  "rgb": {
    "r": 77,
    "g": 16,
    "b": 30
  },
  "hsl": {
    "h": 346.23,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.2849,
    "c": 0.0907,
    "h": 11.8
  },
  "luminance": 0.02042
}

Semantic roles & 50–950 ramp

primary

#4D101E

secondary

#328773

accent

#E9C23F

background

#F8F5F5

surface

#F0E8E9

border

#CBC4C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D101E

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

Preview Lab → · Contrast checker → · Palette generator →