#B64D37#B64D37

#B64D37 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.3% C 0.141 H 33.5°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#B64D37
RGB	rgb(182, 77, 55)
HSL	hsl(10, 54%, 46%)
HSV	hsv(10, 70%, 71%)
CMYK	cmyk(0%, 57.7%, 69.8%, 28.6%)
CIE-LAB	lab(46.35, 41.16, 33.94)
CIE-LCH	lch(46.35, 53.35, 39.50°)
OKLab	oklab(55.32% 0.118 0.078)
OKLCH	oklch(55.32% 0.141 33.5)
XYZ	xyz(22.6371, 15.5316, 5.4196)
Luminance	0.1553 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64D37 #37A0B6

analogous

#B63761 #B64D37 #B68D37

triadic

#B64D37 #37B64D #4D37B6

tetradic

#B64D37 #61B637 #37A0B6 #8D37B6

square

#B64D37 #61B637 #37A0B6 #8D37B6

split-complementary

#B64D37 #37B68D #3761B6

monochromatic

#58251B #873929 #B64D37 #CE705C #DC998B

Accessibility & contrast

On white

5.11

#B64D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#B64D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64D37

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64D37	#FFFFFF	#000000	##FFFFFF
##B64D37	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696034

Deuteranopia (green-blind)

#837634

Tritanopia (blue-blind)

#C83748

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b64d37;
/* rgb */ color: rgb(182, 77, 55);
/* oklch */ color: oklch(55.3% 0.141 33.5);

Tailwind

colors: {
  custom: {
    50: '#d3826e',
    500: '#b64d37',
    950: '#000000',
  },
}

SCSS

$custom: #b64d37;
$custom-light: #d3826e;
$custom-dark: #000000;

JSON

{
  "hex": "#b64d37",
  "rgb": {
    "r": 182,
    "g": 77,
    "b": 55
  },
  "hsl": {
    "h": 10.394,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.55315,
    "c": 0.14145,
    "h": 33.5
  },
  "luminance": 0.15529
}

Semantic roles & 50–950 ramp

primary

#B64D37

secondary

#82BBC6

accent

#C4DD4B

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B64D37

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

Preview Lab → · Contrast checker → · Palette generator →