#B63F38#B63F38

#B63F38 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.156 H 27.0°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#B63F38
RGB	rgb(182, 63, 56)
HSL	hsl(3, 53%, 47%)
HSV	hsv(3, 69%, 71%)
CMYK	cmyk(0%, 65.4%, 69.2%, 28.6%)
CIE-LAB	lab(43.93, 47.68, 30.51)
CIE-LCH	lch(43.93, 56.60, 32.61°)
OKLab	oklab(53.49% 0.1386 0.0706)
OKLCH	oklch(53.49% 0.156 27)
XYZ	xyz(21.7850, 13.7887, 5.2550)
Luminance	0.1379 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F38 #38AFB6

analogous

#B63870 #B63F38 #B67E38

triadic

#B63F38 #38B63F #3F38B6

tetradic

#B63F38 #70B638 #38AFB6 #7E38B6

square

#B63F38 #70B638 #38AFB6 #7E38B6

split-complementary

#B63F38 #38B67E #3870B6

monochromatic

#581F1B #872F2A #B63F38 #CD645E #DC918D

Accessibility & contrast

On white

5.59

#B63F38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B63F38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F38

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F38	#FFFFFF	#000000	##FFFFFF
##B63F38	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5836

Deuteranopia (green-blind)

#7D7134

Tritanopia (blue-blind)

#C8213E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63f38;
/* rgb */ color: rgb(182, 63, 56);
/* oklch */ color: oklch(53.5% 0.156 27.0);

Tailwind

colors: {
  custom: {
    50: '#d37a6f',
    500: '#b63f38',
    950: '#000000',
  },
}

SCSS

$custom: #b63f38;
$custom-light: #d37a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f38",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 56
  },
  "hsl": {
    "h": 3.333,
    "s": 52.941,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53491,
    "c": 0.15553,
    "h": 27
  },
  "luminance": 0.13786
}

Semantic roles & 50–950 ramp

primary

#B63F38

secondary

#84C3C6

accent

#D4DC4B

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B63F38

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

Preview Lab → · Contrast checker → · Palette generator →