#B53243#B53243

#B53243 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.167 H 18.1°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B53243
RGB	rgb(181, 50, 67)
HSL	hsl(352, 57%, 45%)
HSV	hsv(352, 72%, 71%)
CMYK	cmyk(0%, 72.4%, 63%, 29%)
CIE-LAB	lab(42.02, 53.20, 21.44)
CIE-LCH	lch(42.02, 57.36, 21.95°)
OKLab	oklab(52.09% 0.1584 0.0517)
OKLCH	oklch(52.09% 0.167 18.1)
XYZ	xyz(21.2120, 12.5133, 6.6075)
Luminance	0.1251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53243 #32B5A4

analogous

#B53284 #B53243 #B56332

triadic

#B53243 #43B532 #3243B5

tetradic

#B53243 #84B532 #32B5A4 #6332B5

square

#B53243 #84B532 #32B5A4 #6332B5

split-complementary

#B53243 #32B563 #3284B5

monochromatic

#55181F #852531 #B53243 #D05464 #DD8490

Accessibility & contrast

On white

6.00

#B53243 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B53243 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53243

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53243	#FFFFFF	#000000	##FFFFFF
##B53243	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565243

Deuteranopia (green-blind)

#776D3F

Tritanopia (blue-blind)

#C60639

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53243;
/* rgb */ color: rgb(181, 50, 67);
/* oklch */ color: oklch(52.1% 0.167 18.1);

Tailwind

colors: {
  custom: {
    50: '#d27477',
    500: '#b53243',
    950: '#000000',
  },
}

SCSS

$custom: #b53243;
$custom-light: #d27477;
$custom-dark: #000000;

JSON

{
  "hex": "#b53243",
  "rgb": {
    "r": 181,
    "g": 50,
    "b": 67
  },
  "hsl": {
    "h": 352.214,
    "s": 56.71,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5209,
    "c": 0.16664,
    "h": 18.1
  },
  "luminance": 0.1251
}

Semantic roles & 50–950 ramp

primary

#B53243

secondary

#7CC7BD

accent

#E0CC48

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53243

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

Preview Lab → · Contrast checker → · Palette generator →