#B53F39#B53F39

#B53F39 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.3% C 0.154 H 26.6°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B53F39
RGB	rgb(181, 63, 57)
HSL	hsl(3, 52%, 47%)
HSV	hsv(3, 69%, 71%)
CMYK	cmyk(0%, 65.2%, 68.5%, 29%)
CIE-LAB	lab(43.77, 47.39, 29.68)
CIE-LCH	lch(43.77, 55.92, 32.06°)
OKLab	oklab(53.34% 0.138 0.069)
OKLCH	oklch(53.34% 0.154 26.6)
XYZ	xyz(21.5743, 13.6772, 5.3740)
Luminance	0.1367 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53F39 #39AFB5

analogous

#B53971 #B53F39 #B57D39

triadic

#B53F39 #39B53F #3F39B5

tetradic

#B53F39 #71B539 #39AFB5 #7D39B5

square

#B53F39 #71B539 #39AFB5 #7D39B5

split-complementary

#B53F39 #39B57D #3971B5

monochromatic

#581F1C #862F2A #B53F39 #CD645F #DB918D

Accessibility & contrast

On white

5.62

#B53F39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B53F39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53F39

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53F39	#FFFFFF	#000000	##FFFFFF
##B53F39	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5737

Deuteranopia (green-blind)

#7C7136

Tritanopia (blue-blind)

#C7223F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53f39;
/* rgb */ color: rgb(181, 63, 57);
/* oklch */ color: oklch(53.3% 0.154 26.6);

Tailwind

colors: {
  custom: {
    50: '#d27a6f',
    500: '#b53f39',
    950: '#000000',
  },
}

SCSS

$custom: #b53f39;
$custom-light: #d27a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b53f39",
  "rgb": {
    "r": 181,
    "g": 63,
    "b": 57
  },
  "hsl": {
    "h": 2.903,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53341,
    "c": 0.15427,
    "h": 26.6
  },
  "luminance": 0.13674
}

Semantic roles & 50–950 ramp

primary

#B53F39

secondary

#84C3C6

accent

#D5DC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B53F39

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

Preview Lab → · Contrast checker → · Palette generator →