#B63A2E#B63A2E

#B63A2E is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.162 H 29.2°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B63A2E
RGB	rgb(182, 58, 46)
HSL	hsl(5, 60%, 45%)
HSV	hsv(5, 75%, 71%)
CMYK	cmyk(0%, 68.1%, 74.7%, 28.6%)
CIE-LAB	lab(43.02, 49.30, 35.25)
CIE-LCH	lch(43.02, 60.61, 35.56°)
OKLab	oklab(52.77% 0.1416 0.079)
OKLCH	oklch(52.77% 0.162 29.2)
XYZ	xyz(21.3000, 13.1716, 4.0050)
Luminance	0.1317 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63A2E #2EAAB6

analogous

#B62E66 #B63A2E #B67E2E

triadic

#B63A2E #2EB63A #3A2EB6

tetradic

#B63A2E #66B62E #2EAAB6 #7E2EB6

square

#B63A2E #66B62E #2EAAB6 #7E2EB6

split-complementary

#B63A2E #2EB67E #2E66B6

monochromatic

#541B15 #852A22 #B63A2E #D25A4F #DF8880

Accessibility & contrast

On white

5.78

#B63A2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B63A2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63A2E

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63A2E	#FFFFFF	#000000	##FFFFFF
##B63A2E	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542C

Deuteranopia (green-blind)

#7C702A

Tritanopia (blue-blind)

#C81338

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63a2e;
/* rgb */ color: rgb(182, 58, 46);
/* oklch */ color: oklch(52.8% 0.162 29.2);

Tailwind

colors: {
  custom: {
    50: '#d47767',
    500: '#b63a2e',
    950: '#000000',
  },
}

SCSS

$custom: #b63a2e;
$custom-light: #d47767;
$custom-dark: #000000;

JSON

{
  "hex": "#b63a2e",
  "rgb": {
    "r": 182,
    "g": 58,
    "b": 46
  },
  "hsl": {
    "h": 5.294,
    "s": 59.649,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52769,
    "c": 0.16215,
    "h": 29.2
  },
  "luminance": 0.13168
}

Semantic roles & 50–950 ramp

primary

#B63A2E

secondary

#78C1C8

accent

#D5E345

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63A2E

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

Preview Lab → · Contrast checker → · Palette generator →