#B63F34#B63F34

#B63F34 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.156 H 28.6°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B63F34
RGB	rgb(182, 63, 52)
HSL	hsl(5, 56%, 46%)
HSV	hsv(5, 71%, 71%)
CMYK	cmyk(0%, 65.4%, 71.4%, 28.6%)
CIE-LAB	lab(43.87, 47.47, 32.77)
CIE-LCH	lch(43.87, 57.69, 34.62°)
OKLab	oklab(53.43% 0.1371 0.0749)
OKLCH	oklch(53.43% 0.156 28.6)
XYZ	xyz(21.6910, 13.7511, 4.7602)
Luminance	0.1375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F34 #34ABB6

analogous

#B6346A #B63F34 #B68034

triadic

#B63F34 #34B63F #3F34B6

tetradic

#B63F34 #6AB634 #34ABB6 #8034B6

square

#B63F34 #6AB634 #34ABB6 #8034B6

split-complementary

#B63F34 #34B680 #346AB6

monochromatic

#571E19 #862F26 #B63F34 #CF6258 #DD8F88

Accessibility & contrast

On white

5.60

#B63F34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B63F34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F34

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F34	#FFFFFF	#000000	##FFFFFF
##B63F34	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605732

Deuteranopia (green-blind)

#7D7130

Tritanopia (blue-blind)

#C8203D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63f34;
/* rgb */ color: rgb(182, 63, 52);
/* oklch */ color: oklch(53.4% 0.156 28.6);

Tailwind

colors: {
  custom: {
    50: '#d37a6c',
    500: '#b63f34',
    950: '#000000',
  },
}

SCSS

$custom: #b63f34;
$custom-light: #d37a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f34",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 52
  },
  "hsl": {
    "h": 5.077,
    "s": 55.556,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53433,
    "c": 0.15623,
    "h": 28.6
  },
  "luminance": 0.13748
}

Semantic roles & 50–950 ramp

primary

#B63F34

secondary

#7FC1C7

accent

#D2DF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B63F34

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

Preview Lab → · Contrast checker → · Palette generator →