#C33939#C33939

#C33939 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.0% C 0.175 H 25.0°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#C33939
RGB	rgb(195, 57, 57)
HSL	hsl(0, 55%, 49%)
HSV	hsv(0, 71%, 76%)
CMYK	cmyk(0%, 70.8%, 70.8%, 23.5%)
CIE-LAB	lab(45.40, 54.47, 32.24)
CIE-LCH	lch(45.40, 63.30, 30.62°)
OKLab	oklab(55.03% 0.1586 0.074)
OKLCH	oklch(55.03% 0.175 25)
XYZ	xyz(24.7100, 14.8274, 5.4310)
Luminance	0.1482 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33939 #39C3C3

analogous

#C3397E #C33939 #C37E39

triadic

#C33939 #39C339 #3939C3

tetradic

#C33939 #7EC339 #39C3C3 #7E39C3

square

#C33939 #7EC339 #39C3C3 #7E39C3

split-complementary

#C33939 #39C37E #397EC3

monochromatic

#641D1D #942B2B #C33939 #D26767 #E09696

Accessibility & contrast

On white

5.30

#C33939 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C33939 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33939

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33939	#FFFFFF	#000000	##FFFFFF
##C33939	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605838

Deuteranopia (green-blind)

#837634

Tritanopia (blue-blind)

#D6043B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c33939;
/* rgb */ color: rgb(195, 57, 57);
/* oklch */ color: oklch(55.0% 0.175 25.0);

Tailwind

colors: {
  custom: {
    50: '#dd796f',
    500: '#c33939',
    950: '#000000',
  },
}

SCSS

$custom: #c33939;
$custom-light: #dd796f;
$custom-dark: #000000;

JSON

{
  "hex": "#c33939",
  "rgb": {
    "r": 195,
    "g": 57,
    "b": 57
  },
  "hsl": {
    "h": 0,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55029,
    "c": 0.17503,
    "h": 25
  },
  "luminance": 0.14824
}

Semantic roles & 50–950 ramp

primary

#C33939

secondary

#8CCCCC

accent

#DEDE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C33939

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

Preview Lab → · Contrast checker → · Palette generator →