#B63F2C#B63F2C

#B63F2C is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.3% C 0.158 H 31.6°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B63F2C
RGB	rgb(182, 63, 44)
HSL	hsl(8, 61%, 44%)
HSV	hsv(8, 76%, 71%)
CMYK	cmyk(0%, 65.4%, 75.8%, 28.6%)
CIE-LAB	lab(43.78, 47.11, 37.19)
CIE-LCH	lch(43.78, 60.02, 38.29°)
OKLab	oklab(53.33% 0.1343 0.0827)
OKLCH	oklch(53.33% 0.158 31.6)
XYZ	xyz(21.5259, 13.6851, 3.8904)
Luminance	0.1368 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F2C #2CA3B6

analogous

#B62C5E #B63F2C #B6842C

triadic

#B63F2C #2CB63F #3F2CB6

tetradic

#B63F2C #5EB62C #2CA3B6 #842CB6

square

#B63F2C #5EB62C #2CA3B6 #842CB6

split-complementary

#B63F2C #2CB684 #2C5EB6

monochromatic

#531D14 #852E20 #B63F2C #D45E4C #E08A7D

Accessibility & contrast

On white

5.62

#B63F2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B63F2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F2C

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F2C	#FFFFFF	#000000	##FFFFFF
##B63F2C	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615729

Deuteranopia (green-blind)

#7E7128

Tritanopia (blue-blind)

#C81E3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63f2c;
/* rgb */ color: rgb(182, 63, 44);
/* oklch */ color: oklch(53.3% 0.158 31.6);

Tailwind

colors: {
  custom: {
    50: '#d47a66',
    500: '#b63f2c',
    950: '#000000',
  },
}

SCSS

$custom: #b63f2c;
$custom-light: #d47a66;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f2c",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 44
  },
  "hsl": {
    "h": 8.261,
    "s": 61.062,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5333,
    "c": 0.15778,
    "h": 31.6
  },
  "luminance": 0.13682
}

Semantic roles & 50–950 ramp

primary

#B63F2C

secondary

#76BDC8

accent

#CEE444

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B63F2C

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

Preview Lab → · Contrast checker → · Palette generator →