#B63B29#B63B29

#B63B29 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.162 H 31.2°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B63B29
RGB	rgb(182, 59, 41)
HSL	hsl(8, 63%, 44%)
HSV	hsv(8, 77%, 71%)
CMYK	cmyk(0%, 67.6%, 77.5%, 28.6%)
CIE-LAB	lab(43.12, 48.69, 38.14)
CIE-LCH	lch(43.12, 61.85, 38.07°)
OKLab	oklab(52.82% 0.1387 0.084)
OKLCH	oklch(52.82% 0.162 31.2)
XYZ	xyz(21.2580, 13.2363, 3.5329)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63B29 #29A4B6

analogous

#B6295D #B63B29 #B68129

triadic

#B63B29 #29B63B #3B29B6

tetradic

#B63B29 #5DB629 #29A4B6 #8129B6

square

#B63B29 #5DB629 #29A4B6 #8129B6

split-complementary

#B63B29 #29B681 #295DB6

monochromatic

#521B12 #842B1E #B63B29 #D55947 #E18679

Accessibility & contrast

On white

5.76

#B63B29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B63B29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63B29

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63B29	#FFFFFF	#000000	##FFFFFF
##B63B29	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5526

Deuteranopia (green-blind)

#7D7024

Tritanopia (blue-blind)

#C81538

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63b29;
/* rgb */ color: rgb(182, 59, 41);
/* oklch */ color: oklch(52.8% 0.162 31.2);

Tailwind

colors: {
  custom: {
    50: '#d47864',
    500: '#b63b29',
    950: '#000000',
  },
}

SCSS

$custom: #b63b29;
$custom-light: #d47864;
$custom-dark: #000000;

JSON

{
  "hex": "#b63b29",
  "rgb": {
    "r": 182,
    "g": 59,
    "b": 41
  },
  "hsl": {
    "h": 7.66,
    "s": 63.229,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52823,
    "c": 0.16212,
    "h": 31.2
  },
  "luminance": 0.13233
}

Semantic roles & 50–950 ramp

primary

#B63B29

secondary

#72BEC9

accent

#D1E642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B63B29

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

Preview Lab → · Contrast checker → · Palette generator →