#C83633#C83633

#C83633 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.5% C 0.184 H 26.4°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#C83633
RGB	rgb(200, 54, 51)
HSL	hsl(1, 59%, 49%)
HSV	hsv(1, 75%, 78%)
CMYK	cmyk(0%, 73%, 74.5%, 21.6%)
CIE-LAB	lab(45.85, 56.88, 36.47)
CIE-LCH	lch(45.85, 67.57, 32.67°)
OKLab	oklab(55.51% 0.1643 0.0817)
OKLCH	oklch(55.51% 0.184 26.4)
XYZ	xyz(25.7391, 15.1607, 4.7023)
Luminance	0.1516 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83633 #33C5C8

analogous

#C8337B #C83633 #C88133

triadic

#C83633 #33C836 #3633C8

tetradic

#C83633 #7BC833 #33C5C8 #8133C8

square

#C83633 #7BC833 #33C5C8 #8133C8

split-complementary

#C83633 #33C881 #337BC8

monochromatic

#661C1A #972927 #C83633 #D76461 #E39492

Accessibility & contrast

On white

5.21

#C83633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#C83633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83633

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83633	#FFFFFF	#000000	##FFFFFF
##C83633	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615831

Deuteranopia (green-blind)

#85782E

Tritanopia (blue-blind)

#DC0037

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c83633;
/* rgb */ color: rgb(200, 54, 51);
/* oklch */ color: oklch(55.5% 0.184 26.4);

Tailwind

colors: {
  custom: {
    50: '#e2786b',
    500: '#c83633',
    950: '#000000',
  },
}

SCSS

$custom: #c83633;
$custom-light: #e2786b;
$custom-dark: #000000;

JSON

{
  "hex": "#c83633",
  "rgb": {
    "r": 200,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.208,
    "s": 59.363,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55514,
    "c": 0.18353,
    "h": 26.4
  },
  "luminance": 0.15157
}

Semantic roles & 50–950 ramp

primary

#C83633

secondary

#89CDCE

accent

#DFE345

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C83633

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

Preview Lab → · Contrast checker → · Palette generator →