#B53D39#B53D39

#B53D39 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.156 H 25.9°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B53D39
RGB	rgb(181, 61, 57)
HSL	hsl(2, 52%, 47%)
HSV	hsv(2, 69%, 71%)
CMYK	cmyk(0%, 66.3%, 68.5%, 29%)
CIE-LAB	lab(43.45, 48.25, 29.30)
CIE-LCH	lch(43.45, 56.45, 31.27°)
OKLab	oklab(53.1% 0.1407 0.0682)
OKLCH	oklch(53.1% 0.156 25.9)
XYZ	xyz(21.4656, 13.4597, 5.3378)
Luminance	0.1346 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53D39 #39B1B5

analogous

#B53973 #B53D39 #B57B39

triadic

#B53D39 #39B53D #3D39B5

tetradic

#B53D39 #73B539 #39B1B5 #7B39B5

square

#B53D39 #73B539 #39B1B5 #7B39B5

split-complementary

#B53D39 #39B57B #3973B5

monochromatic

#581E1C #862D2A #B53D39 #CD625F #DB908D

Accessibility & contrast

On white

5.69

#B53D39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B53D39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53D39

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53D39	#FFFFFF	#000000	##FFFFFF
##B53D39	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5638

Deuteranopia (green-blind)

#7C7035

Tritanopia (blue-blind)

#C71E3D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53d39;
/* rgb */ color: rgb(181, 61, 57);
/* oklch */ color: oklch(53.1% 0.156 25.9);

Tailwind

colors: {
  custom: {
    50: '#d2796f',
    500: '#b53d39',
    950: '#000000',
  },
}

SCSS

$custom: #b53d39;
$custom-light: #d2796f;
$custom-dark: #000000;

JSON

{
  "hex": "#b53d39",
  "rgb": {
    "r": 181,
    "g": 61,
    "b": 57
  },
  "hsl": {
    "h": 1.935,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53102,
    "c": 0.15633,
    "h": 25.9
  },
  "luminance": 0.13457
}

Semantic roles & 50–950 ramp

primary

#B53D39

secondary

#84C4C6

accent

#D7DC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B53D39

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

Preview Lab → · Contrast checker → · Palette generator →