#B63D29#B63D29

#B63D29 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.160 H 31.9°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B63D29
RGB	rgb(182, 61, 41)
HSL	hsl(9, 63%, 44%)
HSV	hsv(9, 77%, 71%)
CMYK	cmyk(0%, 66.5%, 77.5%, 28.6%)
CIE-LAB	lab(43.43, 47.85, 38.46)
CIE-LCH	lch(43.43, 61.39, 38.79°)
OKLab	oklab(53.06% 0.1361 0.0847)
OKLCH	oklch(53.06% 0.16 31.9)
XYZ	xyz(21.3628, 13.4458, 3.5678)
Luminance	0.1344 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D29 #29A2B6

analogous

#B6295B #B63D29 #B68329

triadic

#B63D29 #29B63D #3D29B6

tetradic

#B63D29 #5BB629 #29A2B6 #8329B6

square

#B63D29 #5BB629 #29A2B6 #8329B6

split-complementary

#B63D29 #29B683 #295BB6

monochromatic

#521C12 #842C1E #B63D29 #D55B47 #E18779

Accessibility & contrast

On white

5.69

#B63D29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B63D29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D29

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D29	#FFFFFF	#000000	##FFFFFF
##B63D29	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605626

Deuteranopia (green-blind)

#7E7024

Tritanopia (blue-blind)

#C81A39

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63d29;
/* rgb */ color: rgb(182, 61, 41);
/* oklch */ color: oklch(53.1% 0.160 31.9);

Tailwind

colors: {
  custom: {
    50: '#d47964',
    500: '#b63d29',
    950: '#000000',
  },
}

SCSS

$custom: #b63d29;
$custom-light: #d47964;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d29",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 41
  },
  "hsl": {
    "h": 8.511,
    "s": 63.229,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53056,
    "c": 0.16026,
    "h": 31.9
  },
  "luminance": 0.13443
}

Semantic roles & 50–950 ramp

primary

#B63D29

secondary

#72BCC9

accent

#CFE642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B63D29

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

Preview Lab → · Contrast checker → · Palette generator →