#B64637#B64637

#B64637 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.4% C 0.149 H 30.2°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#B64637
RGB	rgb(182, 70, 55)
HSL	hsl(7, 54%, 46%)
HSV	hsv(7, 70%, 71%)
CMYK	cmyk(0%, 61.5%, 69.8%, 28.6%)
CIE-LAB	lab(45.09, 44.49, 32.46)
CIE-LCH	lch(45.09, 55.07, 36.11°)
OKLab	oklab(54.36% 0.1284 0.0748)
OKLCH	oklch(54.36% 0.149 30.2)
XYZ	xyz(22.1734, 14.6043, 5.2650)
Luminance	0.1460 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64637 #37A7B6

analogous

#B63768 #B64637 #B68637

triadic

#B64637 #37B646 #4637B6

tetradic

#B64637 #68B637 #37A7B6 #8637B6

square

#B64637 #68B637 #37A7B6 #8637B6

split-complementary

#B64637 #37B686 #3768B6

monochromatic

#58221B #873429 #B64637 #CE6A5C #DC958B

Accessibility & contrast

On white

5.36

#B64637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#B64637 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64637

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64637	#FFFFFF	#000000	##FFFFFF
##B64637	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B35

Deuteranopia (green-blind)

#807434

Tritanopia (blue-blind)

#C82D43

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #b64637;
/* rgb */ color: rgb(182, 70, 55);
/* oklch */ color: oklch(54.4% 0.149 30.2);

Tailwind

colors: {
  custom: {
    50: '#d37e6e',
    500: '#b64637',
    950: '#000000',
  },
}

SCSS

$custom: #b64637;
$custom-light: #d37e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b64637",
  "rgb": {
    "r": 182,
    "g": 70,
    "b": 55
  },
  "hsl": {
    "h": 7.087,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.54358,
    "c": 0.14855,
    "h": 30.2
  },
  "luminance": 0.14601
}

Semantic roles & 50–950 ramp

primary

#B64637

secondary

#82BEC6

accent

#CCDD4B

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B64637

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

Preview Lab → · Contrast checker → · Palette generator →