#B63E30#B63E30

#B63E30 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.158 H 29.8°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B63E30
RGB	rgb(182, 62, 48)
HSL	hsl(6, 58%, 45%)
HSV	hsv(6, 74%, 71%)
CMYK	cmyk(0%, 65.9%, 73.6%, 28.6%)
CIE-LAB	lab(43.66, 47.72, 34.83)
CIE-LCH	lch(43.66, 59.07, 36.12°)
OKLab	oklab(53.26% 0.137 0.0786)
OKLCH	oklch(53.26% 0.158 29.8)
XYZ	xyz(21.5499, 13.6068, 4.2874)
Luminance	0.1360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63E30 #30A8B6

analogous

#B63065 #B63E30 #B68130

triadic

#B63E30 #30B63E #3E30B6

tetradic

#B63E30 #65B630 #30A8B6 #8130B6

square

#B63E30 #65B630 #30A8B6 #8130B6

split-complementary

#B63E30 #30B681 #3065B6

monochromatic

#551D16 #862E23 #B63E30 #D15F52 #DE8C82

Accessibility & contrast

On white

5.64

#B63E30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B63E30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63E30

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63E30	#FFFFFF	#000000	##FFFFFF
##B63E30	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60572E

Deuteranopia (green-blind)

#7D712C

Tritanopia (blue-blind)

#C81D3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63e30;
/* rgb */ color: rgb(182, 62, 48);
/* oklch */ color: oklch(53.3% 0.158 29.8);

Tailwind

colors: {
  custom: {
    50: '#d47969',
    500: '#b63e30',
    950: '#000000',
  },
}

SCSS

$custom: #b63e30;
$custom-light: #d47969;
$custom-dark: #000000;

JSON

{
  "hex": "#b63e30",
  "rgb": {
    "r": 182,
    "g": 62,
    "b": 48
  },
  "hsl": {
    "h": 6.269,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53259,
    "c": 0.15796,
    "h": 29.8
  },
  "luminance": 0.13604
}

Semantic roles & 50–950 ramp

primary

#B63E30

secondary

#7BBFC7

accent

#D1E146

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63E30

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

Preview Lab → · Contrast checker → · Palette generator →