#B63B35#B63B35

#B63B35 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.0% C 0.160 H 26.8°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B63B35
RGB	rgb(182, 59, 53)
HSL	hsl(3, 55%, 46%)
HSV	hsv(3, 71%, 71%)
CMYK	cmyk(0%, 67.6%, 70.9%, 28.6%)
CIE-LAB	lab(43.26, 49.22, 31.48)
CIE-LCH	lch(43.26, 58.42, 32.60°)
OKLab	oklab(52.98% 0.1428 0.0723)
OKLCH	oklch(52.98% 0.16 26.8)
XYZ	xyz(21.5003, 13.3332, 4.8089)
Luminance	0.1333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63B35 #35B0B6

analogous

#B6356F #B63B35 #B67B35

triadic

#B63B35 #35B63B #3B35B6

tetradic

#B63B35 #6FB635 #35B0B6 #7B35B6

square

#B63B35 #6FB635 #35B0B6 #7B35B6

split-complementary

#B63B35 #35B67B #356FB6

monochromatic

#571C19 #872C27 #B63B35 #CF5F59 #DD8D89

Accessibility & contrast

On white

5.73

#B63B35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B63B35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63B35

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63B35	#FFFFFF	#000000	##FFFFFF
##B63B35	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5533

Deuteranopia (green-blind)

#7C7031

Tritanopia (blue-blind)

#C8183B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63b35;
/* rgb */ color: rgb(182, 59, 53);
/* oklch */ color: oklch(53.0% 0.160 26.8);

Tailwind

colors: {
  custom: {
    50: '#d3786c',
    500: '#b63b35',
    950: '#000000',
  },
}

SCSS

$custom: #b63b35;
$custom-light: #d3786c;
$custom-dark: #000000;

JSON

{
  "hex": "#b63b35",
  "rgb": {
    "r": 182,
    "g": 59,
    "b": 53
  },
  "hsl": {
    "h": 2.791,
    "s": 54.894,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52977,
    "c": 0.16002,
    "h": 26.8
  },
  "luminance": 0.1333
}

Semantic roles & 50–950 ramp

primary

#B63B35

secondary

#80C3C7

accent

#D7DE4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63B35

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

Preview Lab → · Contrast checker → · Palette generator →