#B64B33#B64B33

#B64B33 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.0% C 0.144 H 34.1°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#B64B33
RGB	rgb(182, 75, 51)
HSL	hsl(11, 56%, 46%)
HSV	hsv(11, 72%, 71%)
CMYK	cmyk(0%, 58.8%, 72%, 28.6%)
CIE-LAB	lab(45.93, 41.93, 35.70)
CIE-LCH	lch(45.93, 55.06, 40.41°)
OKLab	oklab(54.98% 0.1196 0.0811)
OKLCH	oklch(54.98% 0.144 34.1)
XYZ	xyz(22.4073, 15.2192, 4.8890)
Luminance	0.1522 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64B33 #339EB6

analogous

#B6335D #B64B33 #B68C33

triadic

#B64B33 #33B64B #4B33B6

tetradic

#B64B33 #5DB633 #339EB6 #8C33B6

square

#B64B33 #5DB633 #339EB6 #8C33B6

split-complementary

#B64B33 #33B68C #335DB6

monochromatic

#562418 #863726 #B64B33 #D06D56 #DD9686

Accessibility & contrast

On white

5.19

#B64B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#B64B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64B33

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64B33	#FFFFFF	#000000	##FFFFFF
##B64B33	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E30

Deuteranopia (green-blind)

#827630

Tritanopia (blue-blind)

#C83346

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b64b33;
/* rgb */ color: rgb(182, 75, 51);
/* oklch */ color: oklch(55.0% 0.144 34.1);

Tailwind

colors: {
  custom: {
    50: '#d3816c',
    500: '#b64b33',
    950: '#000000',
  },
}

SCSS

$custom: #b64b33;
$custom-light: #d3816c;
$custom-dark: #000000;

JSON

{
  "hex": "#b64b33",
  "rgb": {
    "r": 182,
    "g": 75,
    "b": 51
  },
  "hsl": {
    "h": 10.992,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.54981,
    "c": 0.14448,
    "h": 34.1
  },
  "luminance": 0.15216
}

Semantic roles & 50–950 ramp

primary

#B64B33

secondary

#7EB9C7

accent

#C4E048

background

#FDF8F6

surface

#FBEFEB

border

#D4CAC6

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B64B33

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

Preview Lab → · Contrast checker → · Palette generator →