#B83538#B83538

#B83538 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.168 H 23.9°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B83538
RGB	rgb(184, 53, 56)
HSL	hsl(359, 55%, 46%)
HSV	hsv(359, 71%, 72%)
CMYK	cmyk(0%, 71.2%, 69.6%, 27.8%)
CIE-LAB	lab(42.80, 52.40, 29.24)
CIE-LCH	lch(42.80, 60.01, 29.16°)
OKLab	oklab(52.72% 0.1532 0.0678)
OKLCH	oklch(52.72% 0.168 23.9)
XYZ	xyz(21.7564, 13.0253, 5.1091)
Luminance	0.1302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83538 #35B8B5

analogous

#B8357A #B83538 #B87435

triadic

#B83538 #38B835 #3538B8

tetradic

#B83538 #7AB835 #35B8B5 #7435B8

square

#B83538 #7AB835 #35B8B5 #7435B8

split-complementary

#B83538 #35B874 #357AB8

monochromatic

#591A1B #88272A #B83538 #D05B5D #DD8A8C

Accessibility & contrast

On white

5.83

#B83538 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B83538 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83538

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83538	#FFFFFF	#000000	##FFFFFF
##B83538	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5337

Deuteranopia (green-blind)

#7B6F34

Tritanopia (blue-blind)

#CA0538

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83538;
/* rgb */ color: rgb(184, 53, 56);
/* oklch */ color: oklch(52.7% 0.168 23.9);

Tailwind

colors: {
  custom: {
    50: '#d5756e',
    500: '#b83538',
    950: '#000000',
  },
}

SCSS

$custom: #b83538;
$custom-light: #d5756e;
$custom-dark: #000000;

JSON

{
  "hex": "#b83538",
  "rgb": {
    "r": 184,
    "g": 53,
    "b": 56
  },
  "hsl": {
    "h": 358.626,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52715,
    "c": 0.16754,
    "h": 23.9
  },
  "luminance": 0.13022
}

Semantic roles & 50–950 ramp

primary

#B83538

secondary

#81C7C6

accent

#DFDB49

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83538

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

Preview Lab → · Contrast checker → · Palette generator →