#B53929#B53929

#B53929 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.163 H 30.6°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B53929
RGB	rgb(181, 57, 41)
HSL	hsl(7, 63%, 44%)
HSV	hsv(7, 77%, 71%)
CMYK	cmyk(0%, 68.5%, 77.3%, 29%)
CIE-LAB	lab(42.63, 49.17, 37.57)
CIE-LCH	lch(42.63, 61.88, 37.38°)
OKLab	oklab(52.43% 0.1403 0.0828)
OKLCH	oklch(52.43% 0.163 30.6)
XYZ	xyz(20.9218, 12.9132, 3.4882)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53929 #29A5B5

analogous

#B5295F #B53929 #B57F29

triadic

#B53929 #29B539 #3929B5

tetradic

#B53929 #5FB529 #29A5B5 #7F29B5

square

#B53929 #5FB529 #29A5B5 #7F29B5

split-complementary

#B53929 #29B57F #295FB5

monochromatic

#511A12 #83291E #B53929 #D55646 #E08478

Accessibility & contrast

On white

5.86

#B53929 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B53929 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53929

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53929	#FFFFFF	#000000	##FFFFFF
##B53929	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5326

Deuteranopia (green-blind)

#7C6F24

Tritanopia (blue-blind)

#C71036

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53929;
/* rgb */ color: rgb(181, 57, 41);
/* oklch */ color: oklch(52.4% 0.163 30.6);

Tailwind

colors: {
  custom: {
    50: '#d47764',
    500: '#b53929',
    950: '#000000',
  },
}

SCSS

$custom: #b53929;
$custom-light: #d47764;
$custom-dark: #000000;

JSON

{
  "hex": "#b53929",
  "rgb": {
    "r": 181,
    "g": 57,
    "b": 41
  },
  "hsl": {
    "h": 6.857,
    "s": 63.063,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52426,
    "c": 0.16291,
    "h": 30.6
  },
  "luminance": 0.1291
}

Semantic roles & 50–950 ramp

primary

#B53929

secondary

#72BEC8

accent

#D3E642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B53929

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

Preview Lab → · Contrast checker → · Palette generator →