#C33639#C33639

#C33639 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.7% C 0.178 H 24.2°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#C33639
RGB	rgb(195, 54, 57)
HSL	hsl(359, 57%, 49%)
HSV	hsv(359, 72%, 76%)
CMYK	cmyk(0%, 72.3%, 70.8%, 23.5%)
CIE-LAB	lab(45.00, 55.58, 31.76)
CIE-LCH	lch(45.00, 64.01, 29.75°)
OKLab	oklab(54.73% 0.1621 0.073)
OKLCH	oklch(54.73% 0.178 24.2)
XYZ	xyz(24.5661, 14.5395, 5.3830)
Luminance	0.1454 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33639 #36C3C0

analogous

#C33680 #C33639 #C37A36

triadic

#C33639 #39C336 #3639C3

tetradic

#C33639 #80C336 #36C3C0 #7A36C3

square

#C33639 #80C336 #36C3C0 #7A36C3

split-complementary

#C33639 #36C37A #3680C3

monochromatic

#631B1D #93292B #C33639 #D46365 #E19294

Accessibility & contrast

On white

5.37

#C33639 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#C33639 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33639

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33639	#FFFFFF	#000000	##FFFFFF
##C33639	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5738

Deuteranopia (green-blind)

#827634

Tritanopia (blue-blind)

#D60039

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c33639;
/* rgb */ color: rgb(195, 54, 57);
/* oklch */ color: oklch(54.7% 0.178 24.2);

Tailwind

colors: {
  custom: {
    50: '#dd776f',
    500: '#c33639',
    950: '#000000',
  },
}

SCSS

$custom: #c33639;
$custom-light: #dd776f;
$custom-dark: #000000;

JSON

{
  "hex": "#c33639",
  "rgb": {
    "r": 195,
    "g": 54,
    "b": 57
  },
  "hsl": {
    "h": 358.723,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54731,
    "c": 0.17777,
    "h": 24.2
  },
  "luminance": 0.14536
}

Semantic roles & 50–950 ramp

primary

#C33639

secondary

#89CCCB

accent

#E0DD48

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C33639

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

Preview Lab → · Contrast checker → · Palette generator →