#B64331#B64331

#B64331 is a mid, vivid red. Relative luminance 0.142; OKLCH L 53.9% C 0.153 H 31.4°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#B64331
RGB	rgb(182, 67, 49)
HSL	hsl(8, 58%, 45%)
HSV	hsv(8, 73%, 71%)
CMYK	cmyk(0%, 63.2%, 73.1%, 28.6%)
CIE-LAB	lab(44.50, 45.56, 35.20)
CIE-LCH	lch(44.50, 57.57, 37.69°)
OKLab	oklab(53.89% 0.1305 0.0796)
OKLCH	oklch(53.89% 0.153 31.4)
XYZ	xyz(21.8552, 14.1842, 4.4921)
Luminance	0.1418 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64331 #31A4B6

analogous

#B63162 #B64331 #B68531

triadic

#B64331 #31B643 #4331B6

tetradic

#B64331 #62B631 #31A4B6 #8531B6

square

#B64331 #62B631 #31A4B6 #8531B6

split-complementary

#B64331 #31B685 #3162B6

monochromatic

#561F17 #863124 #B64331 #D16453 #DE9084

Accessibility & contrast

On white

5.47

#B64331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#B64331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64331

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64331	#FFFFFF	#000000	##FFFFFF
##B64331	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63592E

Deuteranopia (green-blind)

#7F732D

Tritanopia (blue-blind)

#C8273F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b64331;
/* rgb */ color: rgb(182, 67, 49);
/* oklch */ color: oklch(53.9% 0.153 31.4);

Tailwind

colors: {
  custom: {
    50: '#d37c6a',
    500: '#b64331',
    950: '#000000',
  },
}

SCSS

$custom: #b64331;
$custom-light: #d37c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b64331",
  "rgb": {
    "r": 182,
    "g": 67,
    "b": 49
  },
  "hsl": {
    "h": 8.12,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53888,
    "c": 0.15285,
    "h": 31.4
  },
  "luminance": 0.14181
}

Semantic roles & 50–950 ramp

primary

#B64331

secondary

#7CBDC7

accent

#CCE147

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B64331

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

Preview Lab → · Contrast checker → · Palette generator →