#B83130#B83130

#B83130 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.172 H 25.8°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B83130
RGB	rgb(184, 49, 48)
HSL	hsl(0, 59%, 45%)
HSV	hsv(0, 74%, 72%)
CMYK	cmyk(0%, 73.4%, 73.9%, 27.8%)
CIE-LAB	lab(42.16, 53.50, 33.23)
CIE-LCH	lch(42.16, 62.98, 31.85°)
OKLab	oklab(52.2% 0.155 0.075)
OKLCH	oklch(52.2% 0.172 25.8)
XYZ	xyz(21.4014, 12.6036, 4.1016)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83130 #30B7B8

analogous

#B83073 #B83130 #B87530

triadic

#B83130 #30B831 #3130B8

tetradic

#B83130 #73B830 #30B7B8 #7530B8

square

#B83130 #73B830 #30B7B8 #7530B8

split-complementary

#B83130 #30B875 #3073B8

monochromatic

#571717 #872423 #B83130 #D25453 #DF8484

Accessibility & contrast

On white

5.97

#B83130 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B83130 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83130

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83130	#FFFFFF	#000000	##FFFFFF
##B83130	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512E

Deuteranopia (green-blind)

#7A6E2B

Tritanopia (blue-blind)

#CB0032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b83130;
/* rgb */ color: rgb(184, 49, 48);
/* oklch */ color: oklch(52.2% 0.172 25.8);

Tailwind

colors: {
  custom: {
    50: '#d67369',
    500: '#b83130',
    950: '#000000',
  },
}

SCSS

$custom: #b83130;
$custom-light: #d67369;
$custom-dark: #000000;

JSON

{
  "hex": "#b83130",
  "rgb": {
    "r": 184,
    "g": 49,
    "b": 48
  },
  "hsl": {
    "h": 0.441,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52201,
    "c": 0.17216,
    "h": 25.8
  },
  "luminance": 0.126
}

Semantic roles & 50–950 ramp

primary

#B83130

secondary

#7CC8C8

accent

#E1E246

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83130

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

Preview Lab → · Contrast checker → · Palette generator →