#83303A#83303A

#83303A is a dark, moderate red. Relative luminance 0.072; OKLCH L 43.1% C 0.114 H 16.1°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#83303A
RGB	rgb(131, 48, 58)
HSL	hsl(353, 46%, 35%)
HSV	hsv(353, 63%, 51%)
CMYK	cmyk(0%, 63.4%, 55.7%, 48.6%)
CIE-LAB	lab(32.36, 36.55, 12.67)
CIE-LCH	lch(32.36, 38.68, 19.12°)
OKLab	oklab(43.11% 0.1098 0.0317)
OKLCH	oklch(43.11% 0.114 16.1)
XYZ	xyz(11.1817, 7.2461, 4.8120)
Luminance	0.0725 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83303A #308379

analogous

#833064 #83303A #834F30

triadic

#83303A #3A8330 #303A83

tetradic

#83303A #648330 #308379 #4F3083

square

#83303A #648330 #308379 #4F3083

split-complementary

#83303A #30834F #306483

monochromatic

#290F12 #562026 #83303A #B0404E #C76672

Accessibility & contrast

On white

8.57

#83303A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#83303A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83303A

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83303A	#FFFFFF	#000000	##FFFFFF
##83303A	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44413A

Deuteranopia (green-blind)

#595338

Tritanopia (blue-blind)

#8F2234

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #83303a;
/* rgb */ color: rgb(131, 48, 58);
/* oklch */ color: oklch(43.1% 0.114 16.1);

Tailwind

colors: {
  custom: {
    50: '#ac6c70',
    500: '#83303a',
    950: '#000000',
  },
}

SCSS

$custom: #83303a;
$custom-light: #ac6c70;
$custom-dark: #000000;

JSON

{
  "hex": "#83303a",
  "rgb": {
    "r": 131,
    "g": 48,
    "b": 58
  },
  "hsl": {
    "h": 352.771,
    "s": 46.369,
    "l": 35.098
  },
  "oklch": {
    "l": 0.43109,
    "c": 0.11428,
    "h": 16.1
  },
  "luminance": 0.07245
}

Semantic roles & 50–950 ramp

primary

#83303A

secondary

#61AEA5

accent

#D6C652

background

#FBF6F6

surface

#F6ECEC

border

#D0C7C7

text

#110707

muted

#807A7A

Preview Lab

Preview with #83303A

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

Preview Lab → · Contrast checker → · Palette generator →