#B83540#B83540

#B83540 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.167 H 20.5°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B83540
RGB	rgb(184, 53, 64)
HSL	hsl(355, 55%, 46%)
HSV	hsv(355, 71%, 72%)
CMYK	cmyk(0%, 71.2%, 65.2%, 27.8%)
CIE-LAB	lab(42.93, 52.84, 24.56)
CIE-LCH	lch(42.93, 58.27, 24.93°)
OKLab	oklab(52.85% 0.1563 0.0584)
OKLCH	oklch(52.85% 0.167 20.5)
XYZ	xyz(21.9680, 13.1099, 6.2232)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83540 #35B8AD

analogous

#B83582 #B83540 #B86C35

triadic

#B83540 #40B835 #3540B8

tetradic

#B83540 #82B835 #35B8AD #6C35B8

square

#B83540 #82B835 #35B8AD #6C35B8

split-complementary

#B83540 #35B86C #3582B8

monochromatic

#591A1F #88272F #B83540 #D05B64 #DD8A91

Accessibility & contrast

On white

5.80

#B83540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B83540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83540

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83540	#FFFFFF	#000000	##FFFFFF
##B83540	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59543F

Deuteranopia (green-blind)

#7A703C

Tritanopia (blue-blind)

#CA0A3A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83540;
/* rgb */ color: rgb(184, 53, 64);
/* oklch */ color: oklch(52.8% 0.167 20.5);

Tailwind

colors: {
  custom: {
    50: '#d57574',
    500: '#b83540',
    950: '#000000',
  },
}

SCSS

$custom: #b83540;
$custom-light: #d57574;
$custom-dark: #000000;

JSON

{
  "hex": "#b83540",
  "rgb": {
    "r": 184,
    "g": 53,
    "b": 64
  },
  "hsl": {
    "h": 354.962,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5285,
    "c": 0.16686,
    "h": 20.5
  },
  "luminance": 0.13107
}

Semantic roles & 50–950 ramp

primary

#B83540

secondary

#81C7C2

accent

#DFD249

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B83540

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

Preview Lab → · Contrast checker → · Palette generator →