#C33B31#C33B31

#C33B31 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.1% C 0.174 H 28.4°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#C33B31
RGB	rgb(195, 59, 49)
HSL	hsl(4, 60%, 48%)
HSV	hsv(4, 75%, 76%)
CMYK	cmyk(0%, 69.7%, 74.9%, 23.5%)
CIE-LAB	lab(45.57, 53.36, 37.04)
CIE-LCH	lch(45.57, 64.95, 34.77°)
OKLab	oklab(55.13% 0.1534 0.0828)
OKLCH	oklch(55.13% 0.174 28.4)
XYZ	xyz(24.6268, 14.9555, 4.4951)
Luminance	0.1495 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33B31 #31B9C3

analogous

#C33170 #C33B31 #C38431

triadic

#C33B31 #31C33B #3B31C3

tetradic

#C33B31 #70C331 #31B9C3 #8431C3

square

#C33B31 #70C331 #31B9C3 #8431C3

split-complementary

#C33B31 #31C384 #3170C3

monochromatic

#611D18 #922C25 #C33B31 #D6645B #E2928C

Accessibility & contrast

On white

5.26

#C33B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#C33B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33B31

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33B31	#FFFFFF	#000000	##FFFFFF
##C33B31	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592F

Deuteranopia (green-blind)

#84772C

Tritanopia (blue-blind)

#D7083A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c33b31;
/* rgb */ color: rgb(195, 59, 49);
/* oklch */ color: oklch(55.1% 0.174 28.4);

Tailwind

colors: {
  custom: {
    50: '#de796a',
    500: '#c33b31',
    950: '#000000',
  },
}

SCSS

$custom: #c33b31;
$custom-light: #de796a;
$custom-dark: #000000;

JSON

{
  "hex": "#c33b31",
  "rgb": {
    "r": 195,
    "g": 59,
    "b": 49
  },
  "hsl": {
    "h": 4.11,
    "s": 59.836,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55128,
    "c": 0.17433,
    "h": 28.4
  },
  "luminance": 0.14952
}

Semantic roles & 50–950 ramp

primary

#C33B31

secondary

#83C7CC

accent

#D8E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C33B31

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

Preview Lab → · Contrast checker → · Palette generator →