#B83A3B#B83A3B

#B83A3B is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.162 H 24.1°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B83A3B
RGB	rgb(184, 58, 59)
HSL	hsl(360, 52%, 47%)
HSV	hsv(360, 68%, 72%)
CMYK	cmyk(0%, 68.5%, 67.9%, 27.8%)
CIE-LAB	lab(43.56, 50.61, 28.37)
CIE-LCH	lch(43.56, 58.02, 29.27°)
OKLab	oklab(53.3% 0.1482 0.0663)
OKLCH	oklch(53.3% 0.162 24.1)
XYZ	xyz(22.0720, 13.5354, 5.5872)
Luminance	0.1353 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83A3B #3AB8B7

analogous

#B83A7A #B83A3B #B8783A

triadic

#B83A3B #3BB83A #3A3BB8

tetradic

#B83A3B #7AB83A #3AB8B7 #783AB8

square

#B83A3B #7AB83A #3AB8B7 #783AB8

split-complementary

#B83A3B #3AB878 #3A7AB8

monochromatic

#5B1D1D #892B2C #B83A3B #CD6263 #DC9091

Accessibility & contrast

On white

5.67

#B83A3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B83A3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83A3B

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83A3B	#FFFFFF	#000000	##FFFFFF
##B83A3B	1.00	5.67	3.71	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D563A

Deuteranopia (green-blind)

#7C7137

Tritanopia (blue-blind)

#CA163C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b83a3b;
/* rgb */ color: rgb(184, 58, 59);
/* oklch */ color: oklch(53.3% 0.162 24.1);

Tailwind

colors: {
  custom: {
    50: '#d57871',
    500: '#b83a3b',
    950: '#000000',
  },
}

SCSS

$custom: #b83a3b;
$custom-light: #d57871;
$custom-dark: #000000;

JSON

{
  "hex": "#b83a3b",
  "rgb": {
    "r": 184,
    "g": 58,
    "b": 59
  },
  "hsl": {
    "h": 359.524,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53295,
    "c": 0.16233,
    "h": 24.1
  },
  "luminance": 0.13532
}

Semantic roles & 50–950 ramp

primary

#B83A3B

secondary

#87C7C6

accent

#DCDA4C

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83A3B

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

Preview Lab → · Contrast checker → · Palette generator →