#B83B3A#B83B3A

#B83B3A is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.161 H 24.8°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B83B3A
RGB	rgb(184, 59, 58)
HSL	hsl(0, 52%, 47%)
HSV	hsv(0, 68%, 72%)
CMYK	cmyk(0%, 67.9%, 68.5%, 27.8%)
CIE-LAB	lab(43.69, 50.15, 29.13)
CIE-LCH	lch(43.69, 57.99, 30.15°)
OKLab	oklab(53.39% 0.1465 0.0678)
OKLCH	oklch(53.39% 0.161 24.8)
XYZ	xyz(22.0972, 13.6269, 5.4689)
Luminance	0.1362 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83B3A #3AB7B8

analogous

#B83A78 #B83B3A #B87A3A

triadic

#B83B3A #3AB83B #3B3AB8

tetradic

#B83B3A #78B83A #3AB7B8 #7A3AB8

square

#B83B3A #78B83A #3AB7B8 #7A3AB8

split-complementary

#B83B3A #3AB87A #3A78B8

monochromatic

#5B1D1D #892C2B #B83B3A #CD6362 #DC9190

Accessibility & contrast

On white

5.64

#B83B3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B83B3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83B3A

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83B3A	#FFFFFF	#000000	##FFFFFF
##B83B3A	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5639

Deuteranopia (green-blind)

#7D7136

Tritanopia (blue-blind)

#CA183C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b83b3a;
/* rgb */ color: rgb(184, 59, 58);
/* oklch */ color: oklch(53.4% 0.161 24.8);

Tailwind

colors: {
  custom: {
    50: '#d57870',
    500: '#b83b3a',
    950: '#000000',
  },
}

SCSS

$custom: #b83b3a;
$custom-light: #d57870;
$custom-dark: #000000;

JSON

{
  "hex": "#b83b3a",
  "rgb": {
    "r": 184,
    "g": 59,
    "b": 58
  },
  "hsl": {
    "h": 0.476,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53391,
    "c": 0.16145,
    "h": 24.8
  },
  "luminance": 0.13624
}

Semantic roles & 50–950 ramp

primary

#B83B3A

secondary

#87C6C7

accent

#DADC4C

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83B3A

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

Preview Lab → · Contrast checker → · Palette generator →