#C83B3A#C83B3A

#C83B3A is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.1% C 0.178 H 25.3°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#C83B3A
RGB	rgb(200, 59, 58)
HSL	hsl(0, 56%, 51%)
HSV	hsv(0, 71%, 78%)
CMYK	cmyk(0%, 70.5%, 71%, 21.6%)
CIE-LAB	lab(46.60, 55.37, 33.30)
CIE-LCH	lch(46.60, 64.61, 31.02°)
OKLab	oklab(56.1% 0.161 0.0763)
OKLCH	oklch(56.1% 0.178 25.3)
XYZ	xyz(26.1500, 15.7167, 5.6588)
Luminance	0.1571 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83B3A #3AC7C8

analogous

#C83A80 #C83B3A #C8823A

triadic

#C83B3A #3AC83B #3B3AC8

tetradic

#C83B3A #80C83A #3AC7C8 #823AC8

square

#C83B3A #80C83A #3AC7C8 #823AC8

split-complementary

#C83B3A #3AC882 #3A80C8

monochromatic

#6A1E1E #9A2C2B #C83B3A #D56B6A #E39A9A

Accessibility & contrast

On white

5.07

#C83B3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#C83B3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83B3A

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83B3A	#FFFFFF	#000000	##FFFFFF
##C83B3A	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B38

Deuteranopia (green-blind)

#867A35

Tritanopia (blue-blind)

#DC053C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c83b3a;
/* rgb */ color: rgb(200, 59, 58);
/* oklch */ color: oklch(56.1% 0.178 25.3);

Tailwind

colors: {
  custom: {
    50: '#e17a70',
    500: '#c83b3a',
    950: '#000000',
  },
}

SCSS

$custom: #c83b3a;
$custom-light: #e17a70;
$custom-dark: #000000;

JSON

{
  "hex": "#c83b3a",
  "rgb": {
    "r": 200,
    "g": 59,
    "b": 58
  },
  "hsl": {
    "h": 0.423,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.561,
    "c": 0.17818,
    "h": 25.3
  },
  "luminance": 0.15713
}

Semantic roles & 50–950 ramp

primary

#C83B3A

secondary

#8FCECE

accent

#DFE048

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C83B3A

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

Preview Lab → · Contrast checker → · Palette generator →