#4D3537#4D3537

#4D3537 is a dark, muted red. Relative luminance 0.044; OKLCH L 35.7% C 0.035 H 13.4°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#4D3537
RGB	rgb(77, 53, 55)
HSL	hsl(355, 18%, 25%)
HSV	hsv(355, 31%, 30%)
CMYK	cmyk(0%, 31.2%, 28.6%, 69.8%)
CIE-LAB	lab(24.95, 11.12, 3.04)
CIE-LCH	lch(24.95, 11.53, 15.29°)
OKLab	oklab(35.73% 0.0338 0.0081)
OKLCH	oklch(35.73% 0.035 13.4)
XYZ	xyz(5.0234, 4.4001, 4.1984)
Luminance	0.0440 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D3537 #354D4B

analogous

#4D3543 #4D3537 #4D3F35

triadic

#4D3537 #374D35 #35374D

tetradic

#4D3537 #434D35 #354D4B #3F354D

square

#4D3537 #434D35 #354D4B #3F354D

split-complementary

#4D3537 #354D3F #35434D

monochromatic

#120C0D #291C1D #4D3537 #714E51 #95676B

Accessibility & contrast

On white

11.17

#4D3537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#4D3537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D3537

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D3537	#FFFFFF	#000000	##FFFFFF
##4D3537	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393937

Deuteranopia (green-blind)

#3F3D37

Tritanopia (blue-blind)

#523336

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #4d3537;
/* rgb */ color: rgb(77, 53, 55);
/* oklch */ color: oklch(35.7% 0.035 13.4);

Tailwind

colors: {
  custom: {
    50: '#7f6c6d',
    500: '#4d3537',
    950: '#000000',
  },
}

SCSS

$custom: #4d3537;
$custom-light: #7f6c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#4d3537",
  "rgb": {
    "r": 77,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 355,
    "s": 18.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35728,
    "c": 0.03474,
    "h": 13.4
  },
  "luminance": 0.044
}

Semantic roles & 50–950 ramp

primary

#4D3537

secondary

#617D7B

accent

#BBB56D

background

#F7F6F6

surface

#EEEBEB

border

#C9C6C6

text

#0A0707

muted

#7C7A7A

Preview Lab

Preview with #4D3537

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

Preview Lab → · Contrast checker → · Palette generator →