#C83F3A#C83F3A

#C83F3A is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.5% C 0.174 H 26.5°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#C83F3A
RGB	rgb(200, 63, 58)
HSL	hsl(2, 56%, 51%)
HSV	hsv(2, 71%, 78%)
CMYK	cmyk(0%, 68.5%, 71%, 21.6%)
CIE-LAB	lab(47.16, 53.83, 33.95)
CIE-LCH	lch(47.16, 63.64, 32.24°)
OKLab	oklab(56.52% 0.1562 0.0777)
OKLCH	oklch(56.52% 0.174 26.5)
XYZ	xyz(26.3635, 16.1437, 5.7300)
Luminance	0.1614 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83F3A #3AC3C8

analogous

#C83A7C #C83F3A #C8863A

triadic

#C83F3A #3AC83F #3F3AC8

tetradic

#C83F3A #7CC83A #3AC3C8 #863AC8

square

#C83F3A #7CC83A #3AC3C8 #863AC8

split-complementary

#C83F3A #3AC886 #3A7CC8

monochromatic

#6A201E #9A2F2B #C83F3A #D56E6A #E39C9A

Accessibility & contrast

On white

4.97

#C83F3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#C83F3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83F3A

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83F3A	#FFFFFF	#000000	##FFFFFF
##C83F3A	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D38

Deuteranopia (green-blind)

#887B36

Tritanopia (blue-blind)

#DC143F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #c83f3a;
/* rgb */ color: rgb(200, 63, 58);
/* oklch */ color: oklch(56.5% 0.174 26.5);

Tailwind

colors: {
  custom: {
    50: '#e17c70',
    500: '#c83f3a',
    950: '#000000',
  },
}

SCSS

$custom: #c83f3a;
$custom-light: #e17c70;
$custom-dark: #000000;

JSON

{
  "hex": "#c83f3a",
  "rgb": {
    "r": 200,
    "g": 63,
    "b": 58
  },
  "hsl": {
    "h": 2.113,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5652,
    "c": 0.17444,
    "h": 26.5
  },
  "luminance": 0.1614
}

Semantic roles & 50–950 ramp

primary

#C83F3A

secondary

#8FCCCE

accent

#DAE048

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C83F3A

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

Preview Lab → · Contrast checker → · Palette generator →