#B53E31#B53E31

#B53E31 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.157 H 29.5°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B53E31
RGB	rgb(181, 62, 49)
HSL	hsl(6, 57%, 45%)
HSV	hsv(6, 73%, 71%)
CMYK	cmyk(0%, 65.7%, 72.9%, 29%)
CIE-LAB	lab(43.50, 47.41, 34.02)
CIE-LCH	lch(43.50, 58.36, 35.66°)
OKLab	oklab(53.11% 0.1364 0.0771)
OKLCH	oklch(53.11% 0.157 29.5)
XYZ	xyz(21.3354, 13.4938, 4.3863)
Luminance	0.1349 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E31 #31A8B5

analogous

#B53166 #B53E31 #B58031

triadic

#B53E31 #31B53E #3E31B5

tetradic

#B53E31 #66B531 #31A8B5 #8031B5

square

#B53E31 #66B531 #31A8B5 #8031B5

split-complementary

#B53E31 #31B580 #3166B5

monochromatic

#551D17 #852E24 #B53E31 #D05F53 #DD8C83

Accessibility & contrast

On white

5.68

#B53E31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B53E31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E31

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E31	#FFFFFF	#000000	##FFFFFF
##B53E31	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562F

Deuteranopia (green-blind)

#7D702D

Tritanopia (blue-blind)

#C71E3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53e31;
/* rgb */ color: rgb(181, 62, 49);
/* oklch */ color: oklch(53.1% 0.157 29.5);

Tailwind

colors: {
  custom: {
    50: '#d3796a',
    500: '#b53e31',
    950: '#000000',
  },
}

SCSS

$custom: #b53e31;
$custom-light: #d3796a;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e31",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 5.909,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53105,
    "c": 0.15668,
    "h": 29.5
  },
  "luminance": 0.13491
}

Semantic roles & 50–950 ramp

primary

#B53E31

secondary

#7BBFC7

accent

#D2E147

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53E31

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

Preview Lab → · Contrast checker → · Palette generator →