#B63529#B63529

#B63529 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.168 H 29.3°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B63529
RGB	rgb(182, 53, 41)
HSL	hsl(5, 63%, 44%)
HSV	hsv(5, 77%, 71%)
CMYK	cmyk(0%, 70.9%, 77.5%, 28.6%)
CIE-LAB	lab(42.24, 51.09, 37.21)
CIE-LCH	lch(42.24, 63.20, 36.07°)
OKLab	oklab(52.16% 0.1462 0.082)
OKLCH	oklch(52.16% 0.168 29.3)
XYZ	xyz(20.9672, 12.6546, 3.4359)
Luminance	0.1265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63529 #29AAB6

analogous

#B62963 #B63529 #B67B29

triadic

#B63529 #29B635 #3529B6

tetradic

#B63529 #63B629 #29AAB6 #7B29B6

square

#B63529 #63B629 #29AAB6 #7B29B6

split-complementary

#B63529 #29B67B #2963B6

monochromatic

#521812 #84261E #B63529 #D55347 #E18279

Accessibility & contrast

On white

5.95

#B63529 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B63529 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63529

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63529	#FFFFFF	#000000	##FFFFFF
##B63529	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5226

Deuteranopia (green-blind)

#7B6E24

Tritanopia (blue-blind)

#C80033

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b63529;
/* rgb */ color: rgb(182, 53, 41);
/* oklch */ color: oklch(52.2% 0.168 29.3);

Tailwind

colors: {
  custom: {
    50: '#d57564',
    500: '#b63529',
    950: '#000000',
  },
}

SCSS

$custom: #b63529;
$custom-light: #d57564;
$custom-dark: #000000;

JSON

{
  "hex": "#b63529",
  "rgb": {
    "r": 182,
    "g": 53,
    "b": 41
  },
  "hsl": {
    "h": 5.106,
    "s": 63.229,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52165,
    "c": 0.16759,
    "h": 29.3
  },
  "luminance": 0.12651
}

Semantic roles & 50–950 ramp

primary

#B63529

secondary

#72C1C9

accent

#D8E642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B63529

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

Preview Lab → · Contrast checker → · Palette generator →