#B53E33#B53E33

#B53E33 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.156 H 28.7°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B53E33
RGB	rgb(181, 62, 51)
HSL	hsl(5, 56%, 45%)
HSV	hsv(5, 72%, 71%)
CMYK	cmyk(0%, 65.7%, 71.8%, 29%)
CIE-LAB	lab(43.52, 47.51, 32.90)
CIE-LCH	lch(43.52, 57.79, 34.70°)
OKLab	oklab(53.13% 0.1371 0.075)
OKLCH	oklch(53.13% 0.156 28.7)
XYZ	xyz(21.3785, 13.5111, 4.6135)
Luminance	0.1351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E33 #33AAB5

analogous

#B53369 #B53E33 #B57F33

triadic

#B53E33 #33B53E #3E33B5

tetradic

#B53E33 #69B533 #33AAB5 #7F33B5

square

#B53E33 #69B533 #33AAB5 #7F33B5

split-complementary

#B53E33 #33B57F #3369B5

monochromatic

#561D18 #852E26 #B53E33 #CF6056 #DD8D86

Accessibility & contrast

On white

5.67

#B53E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B53E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E33

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E33	#FFFFFF	#000000	##FFFFFF
##B53E33	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5631

Deuteranopia (green-blind)

#7D702F

Tritanopia (blue-blind)

#C71F3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53e33;
/* rgb */ color: rgb(181, 62, 51);
/* oklch */ color: oklch(53.1% 0.156 28.7);

Tailwind

colors: {
  custom: {
    50: '#d3796b',
    500: '#b53e33',
    950: '#000000',
  },
}

SCSS

$custom: #b53e33;
$custom-light: #d3796b;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e33",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 51
  },
  "hsl": {
    "h": 5.077,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.53132,
    "c": 0.15631,
    "h": 28.7
  },
  "luminance": 0.13508
}

Semantic roles & 50–950 ramp

primary

#B53E33

secondary

#7DC0C6

accent

#D3DF48

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53E33

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

Preview Lab → · Contrast checker → · Palette generator →