#B83A3A#B83A3A

#B83A3A is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.162 H 24.5°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B83A3A
RGB	rgb(184, 58, 58)
HSL	hsl(0, 52%, 47%)
HSV	hsv(0, 68%, 72%)
CMYK	cmyk(0%, 68.5%, 68.5%, 27.8%)
CIE-LAB	lab(43.54, 50.55, 28.95)
CIE-LCH	lch(43.54, 58.26, 29.79°)
OKLab	oklab(53.28% 0.1478 0.0674)
OKLCH	oklch(53.28% 0.162 24.5)
XYZ	xyz(22.0463, 13.5251, 5.4519)
Luminance	0.1352 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83A3A #3AB8B8

analogous

#B83A79 #B83A3A #B8793A

triadic

#B83A3A #3AB83A #3A3AB8

tetradic

#B83A3A #79B83A #3AB8B8 #793AB8

square

#B83A3A #79B83A #3AB8B8 #793AB8

split-complementary

#B83A3A #3AB879 #3A79B8

monochromatic

#5B1D1D #892B2B #B83A3A #CD6262 #DC9090

Accessibility & contrast

On white

5.67

#B83A3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B83A3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83A3A

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83A3A	#FFFFFF	#000000	##FFFFFF
##B83A3A	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5639

Deuteranopia (green-blind)

#7C7136

Tritanopia (blue-blind)

#CA163B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b83a3a;
/* rgb */ color: rgb(184, 58, 58);
/* oklch */ color: oklch(53.3% 0.162 24.5);

Tailwind

colors: {
  custom: {
    50: '#d57870',
    500: '#b83a3a',
    950: '#000000',
  },
}

SCSS

$custom: #b83a3a;
$custom-light: #d57870;
$custom-dark: #000000;

JSON

{
  "hex": "#b83a3a",
  "rgb": {
    "r": 184,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 0,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53279,
    "c": 0.16245,
    "h": 24.5
  },
  "luminance": 0.13522
}

Semantic roles & 50–950 ramp

primary

#B83A3A

secondary

#87C7C7

accent

#DCDC4C

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83A3A

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

Preview Lab → · Contrast checker → · Palette generator →