#B63E40#B63E40

#B63E40 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.155 H 23.1°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B63E40
RGB	rgb(182, 62, 64)
HSL	hsl(359, 49%, 48%)
HSV	hsv(359, 66%, 71%)
CMYK	cmyk(0%, 65.9%, 64.8%, 28.6%)
CIE-LAB	lab(43.89, 48.57, 25.70)
CIE-LCH	lch(43.89, 54.95, 27.89°)
OKLab	oklab(53.5% 0.143 0.061)
OKLCH	oklch(53.5% 0.155 23.1)
XYZ	xyz(21.9416, 13.7635, 6.3507)
Luminance	0.1376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63E40 #3EB6B4

analogous

#B63E7C #B63E40 #B6783E

triadic

#B63E40 #40B63E #3E40B6

tetradic

#B63E40 #7CB63E #3EB6B4 #783EB6

square

#B63E40 #7CB63E #3EB6B4 #783EB6

split-complementary

#B63E40 #3EB678 #3E7CB6

monochromatic

#5B1F20 #882E30 #B63E40 #CB6668 #DB9495

Accessibility & contrast

On white

5.60

#B63E40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B63E40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63E40

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63E40	#FFFFFF	#000000	##FFFFFF
##B63E40	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)

#5E583F

Deuteranopia (green-blind)

#7C713D

Tritanopia (blue-blind)

#C82240

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63e40;
/* rgb */ color: rgb(182, 62, 64);
/* oklch */ color: oklch(53.5% 0.155 23.1);

Tailwind

colors: {
  custom: {
    50: '#d37a75',
    500: '#b63e40',
    950: '#000000',
  },
}

SCSS

$custom: #b63e40;
$custom-light: #d37a75;
$custom-dark: #000000;

JSON

{
  "hex": "#b63e40",
  "rgb": {
    "r": 182,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 359,
    "s": 49.18,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53503,
    "c": 0.15546,
    "h": 23.1
  },
  "luminance": 0.1376
}

Semantic roles & 50–950 ramp

primary

#B63E40

secondary

#8AC6C5

accent

#D9D64F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B63E40

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

Preview Lab → · Contrast checker → · Palette generator →