#B83C33#B83C33

#B83C33 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.162 H 28.0°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B83C33
RGB	rgb(184, 60, 51)
HSL	hsl(4, 57%, 46%)
HSV	hsv(4, 72%, 72%)
CMYK	cmyk(0%, 67.4%, 72.3%, 27.8%)
CIE-LAB	lab(43.75, 49.38, 33.30)
CIE-LCH	lch(43.75, 59.56, 33.99°)
OKLab	oklab(53.4% 0.1427 0.0757)
OKLCH	oklch(53.4% 0.162 28)
XYZ	xyz(21.9830, 13.6643, 4.6113)
Luminance	0.1366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83C33 #33AFB8

analogous

#B8336C #B83C33 #B87E33

triadic

#B83C33 #33B83C #3C33B8

tetradic

#B83C33 #6CB833 #33AFB8 #7E33B8

square

#B83C33 #6CB833 #33AFB8 #7E33B8

split-complementary

#B83C33 #33B87E #336CB8

monochromatic

#581D18 #882C26 #B83C33 #D16058 #DE8D88

Accessibility & contrast

On white

5.63

#B83C33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B83C33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83C33

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83C33	#FFFFFF	#000000	##FFFFFF
##B83C33	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5631

Deuteranopia (green-blind)

#7E712F

Tritanopia (blue-blind)

#CA183B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b83c33;
/* rgb */ color: rgb(184, 60, 51);
/* oklch */ color: oklch(53.4% 0.162 28.0);

Tailwind

colors: {
  custom: {
    50: '#d5796b',
    500: '#b83c33',
    950: '#000000',
  },
}

SCSS

$custom: #b83c33;
$custom-light: #d5796b;
$custom-dark: #000000;

JSON

{
  "hex": "#b83c33",
  "rgb": {
    "r": 184,
    "g": 60,
    "b": 51
  },
  "hsl": {
    "h": 4.06,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.534,
    "c": 0.16151,
    "h": 28
  },
  "luminance": 0.13661
}

Semantic roles & 50–950 ramp

primary

#B83C33

secondary

#7FC3C8

accent

#D6E048

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83C33

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

Preview Lab → · Contrast checker → · Palette generator →