#B64B36#B64B36

#B64B36 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.0% C 0.144 H 32.9°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#B64B36
RGB	rgb(182, 75, 54)
HSL	hsl(10, 54%, 46%)
HSV	hsv(10, 70%, 71%)
CMYK	cmyk(0%, 58.8%, 70.3%, 28.6%)
CIE-LAB	lab(45.97, 42.08, 34.06)
CIE-LCH	lch(45.97, 54.13, 38.99°)
OKLab	oklab(55.02% 0.1207 0.0781)
OKLCH	oklch(55.02% 0.144 32.9)
XYZ	xyz(22.4756, 15.2466, 5.2487)
Luminance	0.1524 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64B36 #36A1B6

analogous

#B63661 #B64B36 #B68B36

triadic

#B64B36 #36B64B #4B36B6

tetradic

#B64B36 #61B636 #36A1B6 #8B36B6

square

#B64B36 #61B636 #36A1B6 #8B36B6

split-complementary

#B64B36 #36B68B #3661B6

monochromatic

#58241A #873828 #B64B36 #CE6E5B #DC988A

Accessibility & contrast

On white

5.19

#B64B36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#B64B36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64B36

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64B36	#FFFFFF	#000000	##FFFFFF
##B64B36	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E33

Deuteranopia (green-blind)

#827633

Tritanopia (blue-blind)

#C83446

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b64b36;
/* rgb */ color: rgb(182, 75, 54);
/* oklch */ color: oklch(55.0% 0.144 32.9);

Tailwind

colors: {
  custom: {
    50: '#d3816e',
    500: '#b64b36',
    950: '#000000',
  },
}

SCSS

$custom: #b64b36;
$custom-light: #d3816e;
$custom-dark: #000000;

JSON

{
  "hex": "#b64b36",
  "rgb": {
    "r": 182,
    "g": 75,
    "b": 54
  },
  "hsl": {
    "h": 9.844,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.55021,
    "c": 0.14371,
    "h": 32.9
  },
  "luminance": 0.15244
}

Semantic roles & 50–950 ramp

primary

#B64B36

secondary

#81BBC6

accent

#C5DE4A

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B64B36

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

Preview Lab → · Contrast checker → · Palette generator →