#B83C31#B83C31

#B83C31 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.162 H 28.7°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B83C31
RGB	rgb(184, 60, 49)
HSL	hsl(5, 58%, 46%)
HSV	hsv(5, 73%, 72%)
CMYK	cmyk(0%, 67.4%, 73.4%, 27.8%)
CIE-LAB	lab(43.72, 49.29, 34.42)
CIE-LCH	lch(43.72, 60.12, 34.93°)
OKLab	oklab(53.37% 0.142 0.0778)
OKLCH	oklch(53.37% 0.162 28.7)
XYZ	xyz(21.9398, 13.6470, 4.3840)
Luminance	0.1364 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83C31 #31ADB8

analogous

#B83169 #B83C31 #B87F31

triadic

#B83C31 #31B83C #3C31B8

tetradic

#B83C31 #69B831 #31ADB8 #7F31B8

square

#B83C31 #69B831 #31ADB8 #7F31B8

split-complementary

#B83C31 #31B87F #3169B8

monochromatic

#571C17 #882C24 #B83C31 #D25F55 #DE8C85

Accessibility & contrast

On white

5.63

#B83C31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B83C31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83C31

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83C31	#FFFFFF	#000000	##FFFFFF
##B83C31	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)

#5F562F

Deuteranopia (green-blind)

#7E712D

Tritanopia (blue-blind)

#CA183A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b83c31;
/* rgb */ color: rgb(184, 60, 49);
/* oklch */ color: oklch(53.4% 0.162 28.7);

Tailwind

colors: {
  custom: {
    50: '#d5796a',
    500: '#b83c31',
    950: '#000000',
  },
}

SCSS

$custom: #b83c31;
$custom-light: #d5796a;
$custom-dark: #000000;

JSON

{
  "hex": "#b83c31",
  "rgb": {
    "r": 184,
    "g": 60,
    "b": 49
  },
  "hsl": {
    "h": 4.889,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53373,
    "c": 0.16186,
    "h": 28.7
  },
  "luminance": 0.13644
}

Semantic roles & 50–950 ramp

primary

#B83C31

secondary

#7DC2C8

accent

#D5E147

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83C31

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

Preview Lab → · Contrast checker → · Palette generator →