#B53433#B53433

#B53433 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.166 H 25.4°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#B53433
RGB	rgb(181, 52, 51)
HSL	hsl(0, 56%, 45%)
HSV	hsv(0, 72%, 71%)
CMYK	cmyk(0%, 71.3%, 71.8%, 29%)
CIE-LAB	lab(42.03, 51.57, 31.17)
CIE-LCH	lch(42.03, 60.26, 31.15°)
OKLab	oklab(52.02% 0.1499 0.0713)
OKLCH	oklch(52.02% 0.166 25.4)
XYZ	xyz(20.8839, 12.5219, 4.4486)
Luminance	0.1252 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53433 #33B4B5

analogous

#B53373 #B53433 #B57533

triadic

#B53433 #33B534 #3433B5

tetradic

#B53433 #73B533 #33B4B5 #7533B5

square

#B53433 #73B533 #33B4B5 #7533B5

split-complementary

#B53433 #33B575 #3373B5

monochromatic

#561918 #852626 #B53433 #CF5756 #DD8686

Accessibility & contrast

On white

5.99

#B53433 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B53433 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53433

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53433	#FFFFFF	#000000	##FFFFFF
##B53433	1.00	5.99	3.50	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595132

Deuteranopia (green-blind)

#796D2F

Tritanopia (blue-blind)

#C70235

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53433;
/* rgb */ color: rgb(181, 52, 51);
/* oklch */ color: oklch(52.0% 0.166 25.4);

Tailwind

colors: {
  custom: {
    50: '#d3746b',
    500: '#b53433',
    950: '#000000',
  },
}

SCSS

$custom: #b53433;
$custom-light: #d3746b;
$custom-dark: #000000;

JSON

{
  "hex": "#b53433",
  "rgb": {
    "r": 181,
    "g": 52,
    "b": 51
  },
  "hsl": {
    "h": 0.462,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52017,
    "c": 0.16598,
    "h": 25.4
  },
  "luminance": 0.12519
}

Semantic roles & 50–950 ramp

primary

#B53433

secondary

#7DC6C6

accent

#DEDF48

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53433

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

Preview Lab → · Contrast checker → · Palette generator →