#B53E40#B53E40

#B53E40 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.154 H 23.1°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B53E40
RGB	rgb(181, 62, 64)
HSL	hsl(359, 49%, 48%)
HSV	hsv(359, 66%, 71%)
CMYK	cmyk(0%, 65.7%, 64.6%, 29%)
CIE-LAB	lab(43.72, 48.23, 25.44)
CIE-LCH	lch(43.72, 54.53, 27.81°)
OKLab	oklab(53.34% 0.142 0.0605)
OKLCH	oklch(53.34% 0.154 23.1)
XYZ	xyz(21.7063, 13.6422, 6.3397)
Luminance	0.1364 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E40 #3EB5B3

analogous

#B53E7B #B53E40 #B5783E

triadic

#B53E40 #40B53E #3E40B5

tetradic

#B53E40 #7BB53E #3EB5B3 #783EB5

square

#B53E40 #7BB53E #3EB5B3 #783EB5

split-complementary

#B53E40 #3EB578 #3E7BB5

monochromatic

#5A1F20 #872E30 #B53E40 #CA6667 #DA9394

Accessibility & contrast

On white

5.63

#B53E40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B53E40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E40

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E40	#FFFFFF	#000000	##FFFFFF
##B53E40	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D573F

Deuteranopia (green-blind)

#7B713D

Tritanopia (blue-blind)

#C62240

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53e40;
/* rgb */ color: rgb(181, 62, 64);
/* oklch */ color: oklch(53.3% 0.154 23.1);

Tailwind

colors: {
  custom: {
    50: '#d27a75',
    500: '#b53e40',
    950: '#000000',
  },
}

SCSS

$custom: #b53e40;
$custom-light: #d27a75;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e40",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 358.992,
    "s": 48.971,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53338,
    "c": 0.15437,
    "h": 23.1
  },
  "luminance": 0.13639
}

Semantic roles & 50–950 ramp

primary

#B53E40

secondary

#89C5C4

accent

#D9D64F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B53E40

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

Preview Lab → · Contrast checker → · Palette generator →