#B63129#B63129

#B63129 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.171 H 28.2°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B63129
RGB	rgb(182, 49, 41)
HSL	hsl(3, 63%, 44%)
HSV	hsv(3, 77%, 71%)
CMYK	cmyk(0%, 73.1%, 77.5%, 28.6%)
CIE-LAB	lab(41.70, 52.58, 36.64)
CIE-LCH	lch(41.70, 64.08, 34.87°)
OKLab	oklab(51.76% 0.1508 0.0807)
OKLCH	oklch(51.76% 0.171 28.2)
XYZ	xyz(20.7924, 12.3050, 3.3777)
Luminance	0.1230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63129 #29AEB6

analogous

#B62967 #B63129 #B67729

triadic

#B63129 #29B631 #3129B6

tetradic

#B63129 #67B629 #29AEB6 #7729B6

square

#B63129 #67B629 #29AEB6 #7729B6

split-complementary

#B63129 #29B677 #2967B6

monochromatic

#521612 #84241E #B63129 #D54F47 #E17F79

Accessibility & contrast

On white

6.07

#B63129 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B63129 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63129

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63129	#FFFFFF	#000000	##FFFFFF
##B63129	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595027

Deuteranopia (green-blind)

#7A6D24

Tritanopia (blue-blind)

#C90031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b63129;
/* rgb */ color: rgb(182, 49, 41);
/* oklch */ color: oklch(51.8% 0.171 28.2);

Tailwind

colors: {
  custom: {
    50: '#d57364',
    500: '#b63129',
    950: '#000000',
  },
}

SCSS

$custom: #b63129;
$custom-light: #d57364;
$custom-dark: #000000;

JSON

{
  "hex": "#b63129",
  "rgb": {
    "r": 182,
    "g": 49,
    "b": 41
  },
  "hsl": {
    "h": 3.404,
    "s": 63.229,
    "l": 43.725
  },
  "oklch": {
    "l": 0.5176,
    "c": 0.17108,
    "h": 28.2
  },
  "luminance": 0.12302
}

Semantic roles & 50–950 ramp

primary

#B63129

secondary

#72C4C9

accent

#DDE642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B63129

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

Preview Lab → · Contrast checker → · Palette generator →