#B63F35#B63F35

#B63F35 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.4% C 0.156 H 28.2°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B63F35
RGB	rgb(182, 63, 53)
HSL	hsl(5, 55%, 46%)
HSV	hsv(5, 71%, 71%)
CMYK	cmyk(0%, 65.4%, 70.9%, 28.6%)
CIE-LAB	lab(43.89, 47.52, 32.21)
CIE-LCH	lch(43.89, 57.41, 34.13°)
OKLab	oklab(53.45% 0.1375 0.0739)
OKLCH	oklch(53.45% 0.156 28.2)
XYZ	xyz(21.7138, 13.7602, 4.8801)
Luminance	0.1376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F35 #35ACB6

analogous

#B6356B #B63F35 #B67F35

triadic

#B63F35 #35B63F #3F35B6

tetradic

#B63F35 #6BB635 #35ACB6 #7F35B6

square

#B63F35 #6BB635 #35ACB6 #7F35B6

split-complementary

#B63F35 #35B67F #356BB6

monochromatic

#571E19 #872F27 #B63F35 #CF6359 #DD8F89

Accessibility & contrast

On white

5.60

#B63F35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B63F35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F35

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F35	#FFFFFF	#000000	##FFFFFF
##B63F35	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)

#605733

Deuteranopia (green-blind)

#7D7131

Tritanopia (blue-blind)

#C8213D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63f35;
/* rgb */ color: rgb(182, 63, 53);
/* oklch */ color: oklch(53.4% 0.156 28.2);

Tailwind

colors: {
  custom: {
    50: '#d37a6d',
    500: '#b63f35',
    950: '#000000',
  },
}

SCSS

$custom: #b63f35;
$custom-light: #d37a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f35",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 4.651,
    "s": 54.894,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53447,
    "c": 0.15604,
    "h": 28.2
  },
  "luminance": 0.13757
}

Semantic roles & 50–950 ramp

primary

#B63F35

secondary

#80C1C7

accent

#D3DE4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B63F35

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

Preview Lab → · Contrast checker → · Palette generator →