#B53233#B53233

#B53233 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.168 H 24.9°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B53233
RGB	rgb(181, 50, 51)
HSL	hsl(360, 57%, 45%)
HSV	hsv(360, 72%, 71%)
CMYK	cmyk(0%, 72.4%, 71.8%, 29%)
CIE-LAB	lab(41.76, 52.32, 30.86)
CIE-LCH	lch(41.76, 60.74, 30.53°)
OKLab	oklab(51.81% 0.1523 0.0706)
OKLCH	oklch(51.81% 0.168 24.9)
XYZ	xyz(20.7965, 12.3471, 4.4195)
Luminance	0.1234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53233 #32B5B4

analogous

#B53274 #B53233 #B57232

triadic

#B53233 #33B532 #3233B5

tetradic

#B53233 #74B532 #32B5B4 #7232B5

square

#B53233 #74B532 #32B5B4 #7232B5

split-complementary

#B53233 #32B572 #3274B5

monochromatic

#551818 #852525 #B53233 #D05455 #DD8485

Accessibility & contrast

On white

6.05

#B53233 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B53233 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53233

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53233	#FFFFFF	#000000	##FFFFFF
##B53233	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585132

Deuteranopia (green-blind)

#796D2F

Tritanopia (blue-blind)

#C70034

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b53233;
/* rgb */ color: rgb(181, 50, 51);
/* oklch */ color: oklch(51.8% 0.168 24.9);

Tailwind

colors: {
  custom: {
    50: '#d3736b',
    500: '#b53233',
    950: '#000000',
  },
}

SCSS

$custom: #b53233;
$custom-light: #d3736b;
$custom-dark: #000000;

JSON

{
  "hex": "#b53233",
  "rgb": {
    "r": 181,
    "g": 50,
    "b": 51
  },
  "hsl": {
    "h": 359.542,
    "s": 56.71,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51814,
    "c": 0.16781,
    "h": 24.9
  },
  "luminance": 0.12344
}

Semantic roles & 50–950 ramp

primary

#B53233

secondary

#7CC7C6

accent

#E0DF48

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53233

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

Preview Lab → · Contrast checker → · Palette generator →