#B64E37#B64E37

#B64E37 is a mid, vivid red. Relative luminance 0.157; OKLCH L 55.5% C 0.140 H 34.0°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#B64E37
RGB	rgb(182, 78, 55)
HSL	hsl(11, 54%, 46%)
HSV	hsv(11, 70%, 71%)
CMYK	cmyk(0%, 57.1%, 69.8%, 28.6%)
CIE-LAB	lab(46.54, 40.67, 34.16)
CIE-LCH	lch(46.54, 53.11, 40.02°)
OKLab	oklab(55.46% 0.1165 0.0785)
OKLCH	oklch(55.46% 0.14 34)
XYZ	xyz(22.7076, 15.6726, 5.4431)
Luminance	0.1567 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64E37 #379FB6

analogous

#B63760 #B64E37 #B68E37

triadic

#B64E37 #37B64E #4E37B6

tetradic

#B64E37 #60B637 #379FB6 #8E37B6

square

#B64E37 #60B637 #379FB6 #8E37B6

split-complementary

#B64E37 #37B68E #3760B6

monochromatic

#58261B #873A29 #B64E37 #CE715C #DC9A8B

Accessibility & contrast

On white

5.08

#B64E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#B64E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64E37

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64E37	#FFFFFF	#000000	##FFFFFF
##B64E37	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6034

Deuteranopia (green-blind)

#837734

Tritanopia (blue-blind)

#C83849

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b64e37;
/* rgb */ color: rgb(182, 78, 55);
/* oklch */ color: oklch(55.5% 0.140 34.0);

Tailwind

colors: {
  custom: {
    50: '#d2836e',
    500: '#b64e37',
    950: '#000000',
  },
}

SCSS

$custom: #b64e37;
$custom-light: #d2836e;
$custom-dark: #000000;

JSON

{
  "hex": "#b64e37",
  "rgb": {
    "r": 182,
    "g": 78,
    "b": 55
  },
  "hsl": {
    "h": 10.866,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.55458,
    "c": 0.14045,
    "h": 34
  },
  "luminance": 0.1567
}

Semantic roles & 50–950 ramp

primary

#B64E37

secondary

#82BAC6

accent

#C3DD4B

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B64E37

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

Preview Lab → · Contrast checker → · Palette generator →