#B63A36#B63A36

#B63A36 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.161 H 26.1°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B63A36
RGB	rgb(182, 58, 54)
HSL	hsl(2, 54%, 46%)
HSV	hsv(2, 70%, 71%)
CMYK	cmyk(0%, 68.1%, 70.3%, 28.6%)
CIE-LAB	lab(43.12, 49.68, 30.73)
CIE-LCH	lch(43.12, 58.41, 31.74°)
OKLab	oklab(52.88% 0.1445 0.0708)
OKLCH	oklch(52.88% 0.161 26.1)
XYZ	xyz(21.4726, 13.2407, 4.9143)
Luminance	0.1324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63A36 #36B2B6

analogous

#B63672 #B63A36 #B67A36

triadic

#B63A36 #36B63A #3A36B6

tetradic

#B63A36 #72B636 #36B2B6 #7A36B6

square

#B63A36 #72B636 #36B2B6 #7A36B6

split-complementary

#B63A36 #36B67A #3672B6

monochromatic

#581C1A #872B28 #B63A36 #CE5F5B #DC8D8A

Accessibility & contrast

On white

5.76

#B63A36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B63A36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63A36

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63A36	#FFFFFF	#000000	##FFFFFF
##B63A36	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5534

Deuteranopia (green-blind)

#7C7032

Tritanopia (blue-blind)

#C8163A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63a36;
/* rgb */ color: rgb(182, 58, 54);
/* oklch */ color: oklch(52.9% 0.161 26.1);

Tailwind

colors: {
  custom: {
    50: '#d3776d',
    500: '#b63a36',
    950: '#000000',
  },
}

SCSS

$custom: #b63a36;
$custom-light: #d3776d;
$custom-dark: #000000;

JSON

{
  "hex": "#b63a36",
  "rgb": {
    "r": 182,
    "g": 58,
    "b": 54
  },
  "hsl": {
    "h": 1.875,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52879,
    "c": 0.16086,
    "h": 26.1
  },
  "luminance": 0.13238
}

Semantic roles & 50–950 ramp

primary

#B63A36

secondary

#81C4C6

accent

#D9DE4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63A36

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

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