#C83F3B#C83F3B

#C83F3B is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.5% C 0.174 H 26.1°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#C83F3B
RGB	rgb(200, 63, 59)
HSL	hsl(2, 56%, 51%)
HSV	hsv(2, 71%, 78%)
CMYK	cmyk(0%, 68.5%, 70.5%, 21.6%)
CIE-LAB	lab(47.18, 53.88, 33.39)
CIE-LCH	lch(47.18, 63.38, 31.79°)
OKLab	oklab(56.53% 0.1565 0.0767)
OKLCH	oklch(56.53% 0.174 26.1)
XYZ	xyz(26.3892, 16.1540, 5.8653)
Luminance	0.1615 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83F3B #3BC4C8

analogous

#C83B7D #C83F3B #C8853B

triadic

#C83F3B #3BC83F #3F3BC8

tetradic

#C83F3B #7DC83B #3BC4C8 #853BC8

square

#C83F3B #7DC83B #3BC4C8 #853BC8

split-complementary

#C83F3B #3BC885 #3B7DC8

monochromatic

#6B201E #9A2E2B #C83F3B #D56E6B #E39D9B

Accessibility & contrast

On white

4.96

#C83F3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#C83F3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83F3B

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83F3B	#FFFFFF	#000000	##FFFFFF
##C83F3B	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655D39

Deuteranopia (green-blind)

#887B37

Tritanopia (blue-blind)

#DC153F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #c83f3b;
/* rgb */ color: rgb(200, 63, 59);
/* oklch */ color: oklch(56.5% 0.174 26.1);

Tailwind

colors: {
  custom: {
    50: '#e17c71',
    500: '#c83f3b',
    950: '#000000',
  },
}

SCSS

$custom: #c83f3b;
$custom-light: #e17c71;
$custom-dark: #000000;

JSON

{
  "hex": "#c83f3b",
  "rgb": {
    "r": 200,
    "g": 63,
    "b": 59
  },
  "hsl": {
    "h": 1.702,
    "s": 56.175,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56534,
    "c": 0.1743,
    "h": 26.1
  },
  "luminance": 0.1615
}

Semantic roles & 50–950 ramp

primary

#C83F3B

secondary

#90CDCF

accent

#DBDF48

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C83F3B

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

Preview Lab → · Contrast checker → · Palette generator →