#B83333#B83333

#B83333 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.170 H 25.2°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B83333
RGB	rgb(184, 51, 51)
HSL	hsl(0, 57%, 46%)
HSV	hsv(0, 72%, 72%)
CMYK	cmyk(0%, 72.3%, 72.3%, 27.8%)
CIE-LAB	lab(42.46, 52.91, 31.81)
CIE-LCH	lch(42.46, 61.73, 31.02°)
OKLab	oklab(52.44% 0.1538 0.0725)
OKLCH	oklch(52.44% 0.17 25.2)
XYZ	xyz(21.5509, 12.8003, 4.4673)
Luminance	0.1280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83333 #33B8B8

analogous

#B83375 #B83333 #B87533

triadic

#B83333 #33B833 #3333B8

tetradic

#B83333 #75B833 #33B8B8 #7533B8

square

#B83333 #75B833 #33B8B8 #7533B8

split-complementary

#B83333 #33B875 #3375B8

monochromatic

#581818 #882626 #B83333 #D15858 #DE8888

Accessibility & contrast

On white

5.90

#B83333 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B83333 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83333

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83333	#FFFFFF	#000000	##FFFFFF
##B83333	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595232

Deuteranopia (green-blind)

#7B6F2E

Tritanopia (blue-blind)

#CA0035

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b83333;
/* rgb */ color: rgb(184, 51, 51);
/* oklch */ color: oklch(52.4% 0.170 25.2);

Tailwind

colors: {
  custom: {
    50: '#d6746b',
    500: '#b83333',
    950: '#000000',
  },
}

SCSS

$custom: #b83333;
$custom-light: #d6746b;
$custom-dark: #000000;

JSON

{
  "hex": "#b83333",
  "rgb": {
    "r": 184,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52438,
    "c": 0.16999,
    "h": 25.2
  },
  "luminance": 0.12797
}

Semantic roles & 50–950 ramp

primary

#B83333

secondary

#7FC8C8

accent

#E0E048

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83333

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

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