#83102A#83102A

#83102A is a dark, vivid red. Relative luminance 0.054; OKLCH L 39.6% C 0.147 H 16.1°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#83102A
RGB	rgb(131, 16, 42)
HSL	hsl(346, 78%, 29%)
HSV	hsv(346, 88%, 51%)
CMYK	cmyk(0%, 87.8%, 67.9%, 48.6%)
CIE-LAB	lab(27.75, 47.19, 17.10)
CIE-LCH	lch(27.75, 50.19, 19.92°)
OKLab	oklab(39.57% 0.1408 0.0408)
OKLCH	oklch(39.57% 0.147 16.1)
XYZ	xyz(9.9644, 5.3646, 2.7008)
Luminance	0.0536 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83102A #108369

analogous

#831064 #83102A #833010

triadic

#83102A #2A8310 #102A83

tetradic

#83102A #648310 #108369 #301083

square

#83102A #648310 #108369 #301083

split-complementary

#83102A #108330 #106483

monochromatic

#1B0309 #4C0919 #83102A #BA173B #E52953

Accessibility & contrast

On white

10.13

#83102A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#83102A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83102A

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83102A	#FFFFFF	#000000	##FFFFFF
##83102A	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35322A

Deuteranopia (green-blind)

#514A27

Tritanopia (blue-blind)

#90001C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #83102a;
/* rgb */ color: rgb(131, 16, 42);
/* oklch */ color: oklch(39.6% 0.147 16.1);

Tailwind

colors: {
  custom: {
    50: '#ae5e63',
    500: '#83102a',
    950: '#000000',
  },
}

SCSS

$custom: #83102a;
$custom-light: #ae5e63;
$custom-dark: #000000;

JSON

{
  "hex": "#83102a",
  "rgb": {
    "r": 131,
    "g": 16,
    "b": 42
  },
  "hsl": {
    "h": 346.435,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3957,
    "c": 0.1466,
    "h": 16.1
  },
  "luminance": 0.05363
}

Semantic roles & 50–950 ramp

primary

#83102A

secondary

#36B99B

accent

#F5C933

background

#FBF5F5

surface

#F6EAEA

border

#D0C6C6

text

#120505

muted

#817979

Preview Lab

Preview with #83102A

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

Preview Lab → · Contrast checker → · Palette generator →