#B63F29#B63F29

#B63F29 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.3% C 0.158 H 32.6°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B63F29
RGB	rgb(182, 63, 41)
HSL	hsl(9, 63%, 44%)
HSV	hsv(9, 77%, 71%)
CMYK	cmyk(0%, 65.4%, 77.5%, 28.6%)
CIE-LAB	lab(43.75, 46.99, 38.79)
CIE-LCH	lch(43.75, 60.94, 39.54°)
OKLab	oklab(53.3% 0.1334 0.0854)
OKLCH	oklch(53.3% 0.158 32.6)
XYZ	xyz(21.4715, 13.6633, 3.6041)
Luminance	0.1366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F29 #29A0B6

analogous

#B62959 #B63F29 #B68529

triadic

#B63F29 #29B63F #3F29B6

tetradic

#B63F29 #59B629 #29A0B6 #8529B6

square

#B63F29 #59B629 #29A0B6 #8529B6

split-complementary

#B63F29 #29B685 #2959B6

monochromatic

#521C12 #842E1E #B63F29 #D55D47 #E18979

Accessibility & contrast

On white

5.63

#B63F29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B63F29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F29

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F29	#FFFFFF	#000000	##FFFFFF
##B63F29	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615726

Deuteranopia (green-blind)

#7E7125

Tritanopia (blue-blind)

#C81E3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63f29;
/* rgb */ color: rgb(182, 63, 41);
/* oklch */ color: oklch(53.3% 0.158 32.6);

Tailwind

colors: {
  custom: {
    50: '#d47a64',
    500: '#b63f29',
    950: '#000000',
  },
}

SCSS

$custom: #b63f29;
$custom-light: #d47a64;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f29",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 41
  },
  "hsl": {
    "h": 9.362,
    "s": 63.229,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53296,
    "c": 0.15839,
    "h": 32.6
  },
  "luminance": 0.1366
}

Semantic roles & 50–950 ramp

primary

#B63F29

secondary

#72BBC9

accent

#CDE642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A05

muted

#847C7A

Preview Lab

Preview with #B63F29

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

Preview Lab → · Contrast checker → · Palette generator →