#B53B40#B53B40

#B53B40 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.0% C 0.158 H 22.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B53B40
RGB	rgb(181, 59, 64)
HSL	hsl(358, 51%, 47%)
HSV	hsv(358, 67%, 71%)
CMYK	cmyk(0%, 67.4%, 64.6%, 29%)
CIE-LAB	lab(43.25, 49.49, 24.85)
CIE-LCH	lch(43.25, 55.38, 26.66°)
OKLab	oklab(52.99% 0.146 0.0592)
OKLCH	oklch(52.99% 0.158 22.1)
XYZ	xyz(21.5476, 13.3249, 6.2868)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53B40 #3BB5B0

analogous

#B53B7D #B53B40 #B5733B

triadic

#B53B40 #40B53B #3B40B5

tetradic

#B53B40 #7DB53B #3BB5B0 #733BB5

square

#B53B40 #7DB53B #3BB5B0 #733BB5

split-complementary

#B53B40 #3BB573 #3B7DB5

monochromatic

#591D1F #872C30 #B53B40 #CC6266 #DB9093

Accessibility & contrast

On white

5.73

#B53B40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B53B40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53B40

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53B40	#FFFFFF	#000000	##FFFFFF
##B53B40	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563F

Deuteranopia (green-blind)

#7A703D

Tritanopia (blue-blind)

#C61D3E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53b40;
/* rgb */ color: rgb(181, 59, 64);
/* oklch */ color: oklch(53.0% 0.158 22.1);

Tailwind

colors: {
  custom: {
    50: '#d27874',
    500: '#b53b40',
    950: '#000000',
  },
}

SCSS

$custom: #b53b40;
$custom-light: #d27874;
$custom-dark: #000000;

JSON

{
  "hex": "#b53b40",
  "rgb": {
    "r": 181,
    "g": 59,
    "b": 64
  },
  "hsl": {
    "h": 357.541,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52989,
    "c": 0.15756,
    "h": 22.1
  },
  "luminance": 0.13322
}

Semantic roles & 50–950 ramp

primary

#B53B40

secondary

#86C6C3

accent

#DAD54D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53B40

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

Preview Lab → · Contrast checker → · Palette generator →