#B63735#B63735

#B63735 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.164 H 25.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B63735
RGB	rgb(182, 55, 53)
HSL	hsl(1, 55%, 46%)
HSV	hsv(1, 71%, 71%)
CMYK	cmyk(0%, 69.8%, 70.9%, 28.6%)
CIE-LAB	lab(42.67, 50.83, 30.78)
CIE-LCH	lch(42.67, 59.43, 31.20°)
OKLab	oklab(52.53% 0.1479 0.0707)
OKLCH	oklch(52.53% 0.164 25.6)
XYZ	xyz(21.3025, 12.9376, 4.7430)
Luminance	0.1293 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63735 #35B4B6

analogous

#B63573 #B63735 #B67735

triadic

#B63735 #35B637 #3735B6

tetradic

#B63735 #73B635 #35B4B6 #7735B6

square

#B63735 #73B635 #35B4B6 #7735B6

split-complementary

#B63735 #35B677 #3573B6

monochromatic

#571A19 #872927 #B63735 #CF5B59 #DD8A89

Accessibility & contrast

On white

5.85

#B63735 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B63735 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63735

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63735	#FFFFFF	#000000	##FFFFFF
##B63735	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5334

Deuteranopia (green-blind)

#7B6F31

Tritanopia (blue-blind)

#C80D38

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b63735;
/* rgb */ color: rgb(182, 55, 53);
/* oklch */ color: oklch(52.5% 0.164 25.6);

Tailwind

colors: {
  custom: {
    50: '#d4766c',
    500: '#b63735',
    950: '#000000',
  },
}

SCSS

$custom: #b63735;
$custom-light: #d4766c;
$custom-dark: #000000;

JSON

{
  "hex": "#b63735",
  "rgb": {
    "r": 182,
    "g": 55,
    "b": 53
  },
  "hsl": {
    "h": 0.93,
    "s": 54.894,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52534,
    "c": 0.16391,
    "h": 25.6
  },
  "luminance": 0.12935
}

Semantic roles & 50–950 ramp

primary

#B63735

secondary

#80C6C7

accent

#DCDE4A

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63735

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

Preview Lab → · Contrast checker → · Palette generator →