#B64F3A#B64F3A

#B64F3A is a mid, vivid red. Relative luminance 0.158; OKLCH L 55.6% C 0.139 H 33.2°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#B64F3A
RGB	rgb(182, 79, 58)
HSL	hsl(10, 52%, 47%)
HSV	hsv(10, 68%, 71%)
CMYK	cmyk(0%, 56.6%, 68.1%, 28.6%)
CIE-LAB	lab(46.77, 40.35, 32.73)
CIE-LCH	lch(46.77, 51.95, 39.05°)
OKLab	oklab(55.64% 0.1161 0.0758)
OKLCH	oklch(55.64% 0.139 33.2)
XYZ	xyz(22.8533, 15.8455, 5.8572)
Luminance	0.1584 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64F3A #3AA1B6

analogous

#B63A63 #B64F3A #B68D3A

triadic

#B64F3A #3AB64F #4F3AB6

tetradic

#B64F3A #63B63A #3AA1B6 #8D3AB6

square

#B64F3A #63B63A #3AA1B6 #8D3AB6

split-complementary

#B64F3A #3AB68D #3A63B6

monochromatic

#59271C #883B2B #B64F3A #CD7361 #DB9C8F

Accessibility & contrast

On white

5.04

#B64F3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#B64F3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64F3A

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64F3A	#FFFFFF	#000000	##FFFFFF
##B64F3A	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6138

Deuteranopia (green-blind)

#847737

Tritanopia (blue-blind)

#C73A4A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b64f3a;
/* rgb */ color: rgb(182, 79, 58);
/* oklch */ color: oklch(55.6% 0.139 33.2);

Tailwind

colors: {
  custom: {
    50: '#d28371',
    500: '#b64f3a',
    950: '#000000',
  },
}

SCSS

$custom: #b64f3a;
$custom-light: #d28371;
$custom-dark: #000000;

JSON

{
  "hex": "#b64f3a",
  "rgb": {
    "r": 182,
    "g": 79,
    "b": 58
  },
  "hsl": {
    "h": 10.161,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55644,
    "c": 0.13863,
    "h": 33.2
  },
  "luminance": 0.15843
}

Semantic roles & 50–950 ramp

primary

#B64F3A

secondary

#86BBC6

accent

#C3DB4D

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B64F3A

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

Preview Lab → · Contrast checker → · Palette generator →