#B64337#B64337

#B64337 is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.0% C 0.152 H 29.0°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#B64337
RGB	rgb(182, 67, 55)
HSL	hsl(6, 54%, 46%)
HSV	hsv(6, 70%, 71%)
CMYK	cmyk(0%, 63.2%, 69.8%, 28.6%)
CIE-LAB	lab(44.57, 45.86, 31.85)
CIE-LCH	lch(44.57, 55.84, 34.78°)
OKLab	oklab(53.97% 0.1327 0.0734)
OKLCH	oklch(53.97% 0.152 29)
XYZ	xyz(21.9904, 14.2383, 5.2040)
Luminance	0.1424 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64337 #37AAB6

analogous

#B6376B #B64337 #B68337

triadic

#B64337 #37B643 #4337B6

tetradic

#B64337 #6BB637 #37AAB6 #8337B6

square

#B64337 #6BB637 #37AAB6 #8337B6

split-complementary

#B64337 #37B683 #376BB6

monochromatic

#58201B #873229 #B64337 #CE675C #DC938B

Accessibility & contrast

On white

5.46

#B64337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#B64337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64337

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64337	#FFFFFF	#000000	##FFFFFF
##B64337	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A35

Deuteranopia (green-blind)

#7F7334

Tritanopia (blue-blind)

#C82841

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b64337;
/* rgb */ color: rgb(182, 67, 55);
/* oklch */ color: oklch(54.0% 0.152 29.0);

Tailwind

colors: {
  custom: {
    50: '#d37c6e',
    500: '#b64337',
    950: '#000000',
  },
}

SCSS

$custom: #b64337;
$custom-light: #d37c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b64337",
  "rgb": {
    "r": 182,
    "g": 67,
    "b": 55
  },
  "hsl": {
    "h": 5.669,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53971,
    "c": 0.15162,
    "h": 29
  },
  "luminance": 0.14235
}

Semantic roles & 50–950 ramp

primary

#B64337

secondary

#82C0C6

accent

#CFDD4B

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B64337

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

Preview Lab → · Contrast checker → · Palette generator →