#B83D3B#B83D3B

#B83D3B is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.159 H 25.1°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#B83D3B
RGB	rgb(184, 61, 59)
HSL	hsl(1, 51%, 48%)
HSV	hsv(1, 68%, 72%)
CMYK	cmyk(0%, 66.8%, 67.9%, 27.8%)
CIE-LAB	lab(44.01, 49.38, 28.92)
CIE-LCH	lch(44.01, 57.22, 30.36°)
OKLab	oklab(53.64% 0.1443 0.0675)
OKLCH	oklch(53.64% 0.159 25.1)
XYZ	xyz(22.2276, 13.8468, 5.6391)
Luminance	0.1384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83D3B #3BB6B8

analogous

#B83B77 #B83D3B #B87B3B

triadic

#B83D3B #3BB83D #3D3BB8

tetradic

#B83D3B #77B83B #3BB6B8 #7B3BB8

square

#B83D3B #77B83B #3BB6B8 #7B3BB8

split-complementary

#B83D3B #3BB87B #3B77B8

monochromatic

#5B1E1D #8A2E2C #B83D3B #CD6563 #DC9392

Accessibility & contrast

On white

5.57

#B83D3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#B83D3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83D3B

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83D3B	#FFFFFF	#000000	##FFFFFF
##B83D3B	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E573A

Deuteranopia (green-blind)

#7D7237

Tritanopia (blue-blind)

#CA1D3E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b83d3b;
/* rgb */ color: rgb(184, 61, 59);
/* oklch */ color: oklch(53.6% 0.159 25.1);

Tailwind

colors: {
  custom: {
    50: '#d57971',
    500: '#b83d3b',
    950: '#000000',
  },
}

SCSS

$custom: #b83d3b;
$custom-light: #d57971;
$custom-dark: #000000;

JSON

{
  "hex": "#b83d3b",
  "rgb": {
    "r": 184,
    "g": 61,
    "b": 59
  },
  "hsl": {
    "h": 0.96,
    "s": 51.44,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53635,
    "c": 0.15929,
    "h": 25.1
  },
  "luminance": 0.13844
}

Semantic roles & 50–950 ramp

primary

#B83D3B

secondary

#88C6C7

accent

#D9DB4D

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B83D3B

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

Preview Lab → · Contrast checker → · Palette generator →