#B63A34#B63A34

#B63A34 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.161 H 26.9°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B63A34
RGB	rgb(182, 58, 52)
HSL	hsl(3, 56%, 46%)
HSV	hsv(3, 71%, 71%)
CMYK	cmyk(0%, 68.1%, 71.4%, 28.6%)
CIE-LAB	lab(43.10, 49.58, 31.87)
CIE-LCH	lch(43.10, 58.94, 32.73°)
OKLab	oklab(52.85% 0.1437 0.0729)
OKLCH	oklch(52.85% 0.161 26.9)
XYZ	xyz(21.4266, 13.2223, 4.6721)
Luminance	0.1322 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63A34 #34B0B6

analogous

#B6346F #B63A34 #B67B34

triadic

#B63A34 #34B63A #3A34B6

tetradic

#B63A34 #6FB634 #34B0B6 #7B34B6

square

#B63A34 #6FB634 #34B0B6 #7B34B6

split-complementary

#B63A34 #34B67B #346FB6

monochromatic

#571C19 #862B26 #B63A34 #CF5D58 #DD8B88

Accessibility & contrast

On white

5.76

#B63A34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B63A34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63A34

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63A34	#FFFFFF	#000000	##FFFFFF
##B63A34	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5532

Deuteranopia (green-blind)

#7C7030

Tritanopia (blue-blind)

#C8163A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63a34;
/* rgb */ color: rgb(182, 58, 52);
/* oklch */ color: oklch(52.8% 0.161 26.9);

Tailwind

colors: {
  custom: {
    50: '#d4776c',
    500: '#b63a34',
    950: '#000000',
  },
}

SCSS

$custom: #b63a34;
$custom-light: #d4776c;
$custom-dark: #000000;

JSON

{
  "hex": "#b63a34",
  "rgb": {
    "r": 182,
    "g": 58,
    "b": 52
  },
  "hsl": {
    "h": 2.769,
    "s": 55.556,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5285,
    "c": 0.16116,
    "h": 26.9
  },
  "luminance": 0.13219
}

Semantic roles & 50–950 ramp

primary

#B63A34

secondary

#7FC3C7

accent

#D8DF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63A34

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

Preview Lab → · Contrast checker → · Palette generator →