#B53E39#B53E39

#B53E39 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.2% C 0.155 H 26.2°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B53E39
RGB	rgb(181, 62, 57)
HSL	hsl(2, 52%, 47%)
HSV	hsv(2, 69%, 71%)
CMYK	cmyk(0%, 65.7%, 68.5%, 29%)
CIE-LAB	lab(43.61, 47.82, 29.49)
CIE-LCH	lch(43.61, 56.18, 31.66°)
OKLab	oklab(53.22% 0.1393 0.0686)
OKLCH	oklch(53.22% 0.155 26.2)
XYZ	xyz(21.5194, 13.5674, 5.3557)
Luminance	0.1356 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E39 #39B0B5

analogous

#B53972 #B53E39 #B57C39

triadic

#B53E39 #39B53E #3E39B5

tetradic

#B53E39 #72B539 #39B0B5 #7C39B5

square

#B53E39 #72B539 #39B0B5 #7C39B5

split-complementary

#B53E39 #39B57C #3972B5

monochromatic

#581E1C #862E2A #B53E39 #CD635F #DB908D

Accessibility & contrast

On white

5.66

#B53E39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B53E39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E39

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E39	#FFFFFF	#000000	##FFFFFF
##B53E39	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5738

Deuteranopia (green-blind)

#7C7136

Tritanopia (blue-blind)

#C7203E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53e39;
/* rgb */ color: rgb(181, 62, 57);
/* oklch */ color: oklch(53.2% 0.155 26.2);

Tailwind

colors: {
  custom: {
    50: '#d27a6f',
    500: '#b53e39',
    950: '#000000',
  },
}

SCSS

$custom: #b53e39;
$custom-light: #d27a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e39",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 57
  },
  "hsl": {
    "h": 2.419,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53221,
    "c": 0.1553,
    "h": 26.2
  },
  "luminance": 0.13564
}

Semantic roles & 50–950 ramp

primary

#B53E39

secondary

#84C3C6

accent

#D6DC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B53E39

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

Preview Lab → · Contrast checker → · Palette generator →