#C83A3B#C83A3B

#C83A3B is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.179 H 24.7°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C83A3B
RGB	rgb(200, 58, 59)
HSL	hsl(360, 56%, 51%)
HSV	hsv(360, 71%, 78%)
CMYK	cmyk(0%, 71%, 70.5%, 21.6%)
CIE-LAB	lab(46.48, 55.79, 32.57)
CIE-LCH	lch(46.48, 64.60, 30.28°)
OKLab	oklab(56.01% 0.1626 0.0749)
OKLCH	oklch(56.01% 0.179 24.7)
XYZ	xyz(26.1248, 15.6251, 5.7772)
Luminance	0.1562 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83A3B #3AC8C7

analogous

#C83A82 #C83A3B #C8803A

triadic

#C83A3B #3BC83A #3A3BC8

tetradic

#C83A3B #82C83A #3AC8C7 #803AC8

square

#C83A3B #82C83A #3AC8C7 #803AC8

split-complementary

#C83A3B #3AC880 #3A82C8

monochromatic

#6A1E1E #9A2B2C #C83A3B #D56A6B #E39A9A

Accessibility & contrast

On white

5.09

#C83A3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#C83A3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83A3B

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83A3B	#FFFFFF	#000000	##FFFFFF
##C83A3B	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B3A

Deuteranopia (green-blind)

#867936

Tritanopia (blue-blind)

#DC023C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c83a3b;
/* rgb */ color: rgb(200, 58, 59);
/* oklch */ color: oklch(56.0% 0.179 24.7);

Tailwind

colors: {
  custom: {
    50: '#e17a71',
    500: '#c83a3b',
    950: '#000000',
  },
}

SCSS

$custom: #c83a3b;
$custom-light: #e17a71;
$custom-dark: #000000;

JSON

{
  "hex": "#c83a3b",
  "rgb": {
    "r": 200,
    "g": 58,
    "b": 59
  },
  "hsl": {
    "h": 359.577,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56014,
    "c": 0.17898,
    "h": 24.7
  },
  "luminance": 0.15621
}

Semantic roles & 50–950 ramp

primary

#C83A3B

secondary

#8FCECE

accent

#E0DF48

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C83A3B

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

Preview Lab → · Contrast checker → · Palette generator →