#B63E3E#B63E3E

#B63E3E is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.156 H 24.0°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B63E3E
RGB	rgb(182, 62, 62)
HSL	hsl(0, 49%, 48%)
HSV	hsv(0, 66%, 71%)
CMYK	cmyk(0%, 65.9%, 65.9%, 28.6%)
CIE-LAB	lab(43.86, 48.45, 26.86)
CIE-LCH	lch(43.86, 55.40, 29.01°)
OKLab	oklab(53.47% 0.1422 0.0634)
OKLCH	oklch(53.47% 0.156 24)
XYZ	xyz(21.8858, 13.7412, 6.0564)
Luminance	0.1374 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63E3E #3EB6B6

analogous

#B63E7A #B63E3E #B67A3E

triadic

#B63E3E #3EB63E #3E3EB6

tetradic

#B63E3E #7AB63E #3EB6B6 #7A3EB6

square

#B63E3E #7AB63E #3EB6B6 #7A3EB6

split-complementary

#B63E3E #3EB67A #3E7AB6

monochromatic

#5B1F1F #882E2E #B63E3E #CB6666 #DB9494

Accessibility & contrast

On white

5.60

#B63E3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B63E3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63E3E

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63E3E	#FFFFFF	#000000	##FFFFFF
##B63E3E	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)

#5E573D

Deuteranopia (green-blind)

#7C713B

Tritanopia (blue-blind)

#C8213F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63e3e;
/* rgb */ color: rgb(182, 62, 62);
/* oklch */ color: oklch(53.5% 0.156 24.0);

Tailwind

colors: {
  custom: {
    50: '#d37a73',
    500: '#b63e3e',
    950: '#000000',
  },
}

SCSS

$custom: #b63e3e;
$custom-light: #d37a73;
$custom-dark: #000000;

JSON

{
  "hex": "#b63e3e",
  "rgb": {
    "r": 182,
    "g": 62,
    "b": 62
  },
  "hsl": {
    "h": 0,
    "s": 49.18,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53468,
    "c": 0.1557,
    "h": 24
  },
  "luminance": 0.13738
}

Semantic roles & 50–950 ramp

primary

#B63E3E

secondary

#8AC6C6

accent

#D9D94F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B63E3E

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

Preview Lab → · Contrast checker → · Palette generator →