#B83640#B83640

#B83640 is a mid, vivid red. Relative luminance 0.132; OKLCH L 53.0% C 0.166 H 20.8°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B83640
RGB	rgb(184, 54, 64)
HSL	hsl(355, 55%, 47%)
HSV	hsv(355, 71%, 72%)
CMYK	cmyk(0%, 70.7%, 65.2%, 27.8%)
CIE-LAB	lab(43.07, 52.47, 24.73)
CIE-LCH	lch(43.07, 58.00, 25.24°)
OKLab	oklab(52.95% 0.1551 0.0588)
OKLCH	oklch(52.95% 0.166 20.8)
XYZ	xyz(22.0140, 13.2020, 6.2386)
Luminance	0.1320 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83640 #36B8AE

analogous

#B83681 #B83640 #B86D36

triadic

#B83640 #40B836 #3640B8

tetradic

#B83640 #81B836 #36B8AE #6D36B8

square

#B83640 #81B836 #36B8AE #6D36B8

split-complementary

#B83640 #36B86D #3681B8

monochromatic

#591A1F #892830 #B83640 #CF5C65 #DD8B92

Accessibility & contrast

On white

5.77

#B83640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B83640 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83640

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83640	#FFFFFF	#000000	##FFFFFF
##B83640	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543F

Deuteranopia (green-blind)

#7A703C

Tritanopia (blue-blind)

#CA0E3B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b83640;
/* rgb */ color: rgb(184, 54, 64);
/* oklch */ color: oklch(53.0% 0.166 20.8);

Tailwind

colors: {
  custom: {
    50: '#d57674',
    500: '#b83640',
    950: '#000000',
  },
}

SCSS

$custom: #b83640;
$custom-light: #d57674;
$custom-dark: #000000;

JSON

{
  "hex": "#b83640",
  "rgb": {
    "r": 184,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 355.385,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52953,
    "c": 0.16586,
    "h": 20.8
  },
  "luminance": 0.13199
}

Semantic roles & 50–950 ramp

primary

#B83640

secondary

#82C7C2

accent

#DED34A

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B83640

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

Preview Lab → · Contrast checker → · Palette generator →