#B63E3C#B63E3C

#B63E3C is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.156 H 24.9°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B63E3C
RGB	rgb(182, 62, 60)
HSL	hsl(1, 50%, 47%)
HSV	hsv(1, 67%, 71%)
CMYK	cmyk(0%, 65.9%, 67%, 28.6%)
CIE-LAB	lab(43.83, 48.33, 28.02)
CIE-LCH	lch(43.83, 55.87, 30.10°)
OKLab	oklab(53.44% 0.1414 0.0657)
OKLCH	oklch(53.44% 0.156 24.9)
XYZ	xyz(21.8319, 13.7196, 5.7726)
Luminance	0.1372 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63E3C #3CB4B6

analogous

#B63C77 #B63E3C #B67B3C

triadic

#B63E3C #3CB63E #3E3CB6

tetradic

#B63E3C #77B63C #3CB4B6 #7B3CB6

square

#B63E3C #77B63C #3CB4B6 #7B3CB6

split-complementary

#B63E3C #3CB67B #3C77B6

monochromatic

#5A1F1E #882E2D #B63E3C #CC6563 #DB9391

Accessibility & contrast

On white

5.61

#B63E3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B63E3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63E3C

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63E3C	#FFFFFF	#000000	##FFFFFF
##B63E3C	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E573B

Deuteranopia (green-blind)

#7C7139

Tritanopia (blue-blind)

#C8213F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63e3c;
/* rgb */ color: rgb(182, 62, 60);
/* oklch */ color: oklch(53.4% 0.156 24.9);

Tailwind

colors: {
  custom: {
    50: '#d37a72',
    500: '#b63e3c',
    950: '#000000',
  },
}

SCSS

$custom: #b63e3c;
$custom-light: #d37a72;
$custom-dark: #000000;

JSON

{
  "hex": "#b63e3c",
  "rgb": {
    "r": 182,
    "g": 62,
    "b": 60
  },
  "hsl": {
    "h": 0.984,
    "s": 50.413,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53435,
    "c": 0.15596,
    "h": 24.9
  },
  "luminance": 0.13717
}

Semantic roles & 50–950 ramp

primary

#B63E3C

secondary

#88C5C6

accent

#D8DA4E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B63E3C

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

Preview Lab → · Contrast checker → · Palette generator →