#C33F31#C33F31

#C33F31 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.6% C 0.171 H 29.6°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#C33F31
RGB	rgb(195, 63, 49)
HSL	hsl(6, 60%, 48%)
HSV	hsv(6, 75%, 76%)
CMYK	cmyk(0%, 67.7%, 74.9%, 23.5%)
CIE-LAB	lab(46.15, 51.77, 37.68)
CIE-LCH	lch(46.15, 64.03, 36.04°)
OKLab	oklab(55.56% 0.1485 0.0842)
OKLCH	oklch(55.56% 0.171 29.6)
XYZ	xyz(24.8403, 15.3825, 4.5663)
Luminance	0.1538 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33F31 #31B5C3

analogous

#C3316C #C33F31 #C38831

triadic

#C33F31 #31C33F #3F31C3

tetradic

#C33F31 #6CC331 #31B5C3 #8831C3

square

#C33F31 #6CC331 #31B5C3 #8831C3

split-complementary

#C33F31 #31C388 #316CC3

monochromatic

#611F18 #922F25 #C33F31 #D6675B #E2948C

Accessibility & contrast

On white

5.15

#C33F31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#C33F31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33F31

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33F31	#FFFFFF	#000000	##FFFFFF
##C33F31	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655B2E

Deuteranopia (green-blind)

#85782C

Tritanopia (blue-blind)

#D6163D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c33f31;
/* rgb */ color: rgb(195, 63, 49);
/* oklch */ color: oklch(55.6% 0.171 29.6);

Tailwind

colors: {
  custom: {
    50: '#de7b6a',
    500: '#c33f31',
    950: '#000000',
  },
}

SCSS

$custom: #c33f31;
$custom-light: #de7b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#c33f31",
  "rgb": {
    "r": 195,
    "g": 63,
    "b": 49
  },
  "hsl": {
    "h": 5.753,
    "s": 59.836,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55563,
    "c": 0.17067,
    "h": 29.6
  },
  "luminance": 0.15379
}

Semantic roles & 50–950 ramp

primary

#C33F31

secondary

#83C5CC

accent

#D4E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C33F31

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

Preview Lab → · Contrast checker → · Palette generator →