#B83531#B83531

#B83531 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.168 H 26.5°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B83531
RGB	rgb(184, 53, 49)
HSL	hsl(2, 58%, 46%)
HSV	hsv(2, 73%, 72%)
CMYK	cmyk(0%, 71.2%, 73.4%, 27.8%)
CIE-LAB	lab(42.71, 52.07, 33.27)
CIE-LCH	lch(42.71, 61.79, 32.58°)
OKLab	oklab(52.61% 0.1507 0.0753)
OKLCH	oklch(52.61% 0.168 26.5)
XYZ	xyz(21.5971, 12.9616, 4.2698)
Luminance	0.1296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83531 #31B4B8

analogous

#B83170 #B83531 #B87831

triadic

#B83531 #31B835 #3531B8

tetradic

#B83531 #70B831 #31B4B8 #7831B8

square

#B83531 #70B831 #31B4B8 #7831B8

split-complementary

#B83531 #31B878 #3170B8

monochromatic

#571917 #882724 #B83531 #D25855 #DE8885

Accessibility & contrast

On white

5.85

#B83531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B83531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83531

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83531	#FFFFFF	#000000	##FFFFFF
##B83531	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B532F

Deuteranopia (green-blind)

#7B6F2C

Tritanopia (blue-blind)

#CA0035

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83531;
/* rgb */ color: rgb(184, 53, 49);
/* oklch */ color: oklch(52.6% 0.168 26.5);

Tailwind

colors: {
  custom: {
    50: '#d67569',
    500: '#b83531',
    950: '#000000',
  },
}

SCSS

$custom: #b83531;
$custom-light: #d67569;
$custom-dark: #000000;

JSON

{
  "hex": "#b83531",
  "rgb": {
    "r": 184,
    "g": 53,
    "b": 49
  },
  "hsl": {
    "h": 1.778,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52612,
    "c": 0.16844,
    "h": 26.5
  },
  "luminance": 0.12958
}

Semantic roles & 50–950 ramp

primary

#B83531

secondary

#7DC6C8

accent

#DDE147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83531

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

Preview Lab → · Contrast checker → · Palette generator →