#B53E38#B53E38

#B53E38 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.2% C 0.155 H 26.6°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B53E38
RGB	rgb(181, 62, 56)
HSL	hsl(3, 53%, 46%)
HSV	hsv(3, 69%, 71%)
CMYK	cmyk(0%, 65.7%, 69.1%, 29%)
CIE-LAB	lab(43.59, 47.77, 30.06)
CIE-LCH	lch(43.59, 56.44, 32.19°)
OKLab	oklab(53.21% 0.139 0.0697)
OKLCH	oklch(53.21% 0.155 26.6)
XYZ	xyz(21.4947, 13.5576, 5.2256)
Luminance	0.1356 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E38 #38AFB5

analogous

#B53871 #B53E38 #B57D38

triadic

#B53E38 #38B53E #3E38B5

tetradic

#B53E38 #71B538 #38AFB5 #7D38B5

square

#B53E38 #71B538 #38AFB5 #7D38B5

split-complementary

#B53E38 #38B57D #3871B5

monochromatic

#581E1B #862E2A #B53E38 #CD635D #DB908C

Accessibility & contrast

On white

5.66

#B53E38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B53E38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E38

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E38	#FFFFFF	#000000	##FFFFFF
##B53E38	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)

#5E5736

Deuteranopia (green-blind)

#7C7134

Tritanopia (blue-blind)

#C7203E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53e38;
/* rgb */ color: rgb(181, 62, 56);
/* oklch */ color: oklch(53.2% 0.155 26.6);

Tailwind

colors: {
  custom: {
    50: '#d2796f',
    500: '#b53e38',
    950: '#000000',
  },
}

SCSS

$custom: #b53e38;
$custom-light: #d2796f;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e38",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 56
  },
  "hsl": {
    "h": 2.88,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53205,
    "c": 0.15545,
    "h": 26.6
  },
  "luminance": 0.13555
}

Semantic roles & 50–950 ramp

primary

#B53E38

secondary

#83C3C6

accent

#D5DC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B53E38

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

Preview Lab → · Contrast checker → · Palette generator →