#B83633#B83633

#B83633 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.167 H 26.1°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B83633
RGB	rgb(184, 54, 51)
HSL	hsl(1, 57%, 46%)
HSV	hsv(1, 72%, 72%)
CMYK	cmyk(0%, 70.7%, 72.3%, 27.8%)
CIE-LAB	lab(42.87, 51.78, 32.29)
CIE-LCH	lch(42.87, 61.02, 31.95°)
OKLab	oklab(52.74% 0.1502 0.0735)
OKLCH	oklch(52.74% 0.167 26.1)
XYZ	xyz(21.6863, 13.0709, 4.5124)
Luminance	0.1307 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83633 #33B5B8

analogous

#B83372 #B83633 #B87833

triadic

#B83633 #33B836 #3633B8

tetradic

#B83633 #72B833 #33B5B8 #7833B8

square

#B83633 #72B833 #33B5B8 #7833B8

split-complementary

#B83633 #33B878 #3372B8

monochromatic

#581A18 #882826 #B83633 #D15A58 #DE8988

Accessibility & contrast

On white

5.81

#B83633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B83633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83633

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83633	#FFFFFF	#000000	##FFFFFF
##B83633	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5331

Deuteranopia (green-blind)

#7C702F

Tritanopia (blue-blind)

#CA0537

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83633;
/* rgb */ color: rgb(184, 54, 51);
/* oklch */ color: oklch(52.7% 0.167 26.1);

Tailwind

colors: {
  custom: {
    50: '#d5766b',
    500: '#b83633',
    950: '#000000',
  },
}

SCSS

$custom: #b83633;
$custom-light: #d5766b;
$custom-dark: #000000;

JSON

{
  "hex": "#b83633",
  "rgb": {
    "r": 184,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.353,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52744,
    "c": 0.16723,
    "h": 26.1
  },
  "luminance": 0.13068
}

Semantic roles & 50–950 ramp

primary

#B83633

secondary

#7FC6C8

accent

#DCE048

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83633

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

Preview Lab → · Contrast checker → · Palette generator →