#B53E3A#B53E3A

#B53E3A is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.2% C 0.155 H 25.8°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B53E3A
RGB	rgb(181, 62, 58)
HSL	hsl(2, 51%, 47%)
HSV	hsv(2, 68%, 71%)
CMYK	cmyk(0%, 65.7%, 68%, 29%)
CIE-LAB	lab(43.62, 47.88, 28.91)
CIE-LCH	lch(43.62, 55.93, 31.13°)
OKLab	oklab(53.24% 0.1397 0.0675)
OKLCH	oklch(53.24% 0.155 25.8)
XYZ	xyz(21.5446, 13.5775, 5.4884)
Luminance	0.1357 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E3A #3AB1B5

analogous

#B53A74 #B53E3A #B57C3A

triadic

#B53E3A #3AB53E #3E3AB5

tetradic

#B53E3A #74B53A #3AB1B5 #7C3AB5

square

#B53E3A #74B53A #3AB1B5 #7C3AB5

split-complementary

#B53E3A #3AB57C #3A74B5

monochromatic

#581E1C #872E2B #B53E3A #CC6460 #DB918E

Accessibility & contrast

On white

5.65

#B53E3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B53E3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E3A

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E3A	#FFFFFF	#000000	##FFFFFF
##B53E3A	1.00	5.65	3.71	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5739

Deuteranopia (green-blind)

#7C7137

Tritanopia (blue-blind)

#C7213E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53e3a;
/* rgb */ color: rgb(181, 62, 58);
/* oklch */ color: oklch(53.2% 0.155 25.8);

Tailwind

colors: {
  custom: {
    50: '#d27a70',
    500: '#b53e3a',
    950: '#000000',
  },
}

SCSS

$custom: #b53e3a;
$custom-light: #d27a70;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e3a",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 58
  },
  "hsl": {
    "h": 1.951,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53237,
    "c": 0.15515,
    "h": 25.8
  },
  "luminance": 0.13574
}

Semantic roles & 50–950 ramp

primary

#B53E3A

secondary

#85C4C6

accent

#D6DB4D

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B53E3A

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

Preview Lab → · Contrast checker → · Palette generator →