#C33731#C33731

#C33731 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.7% C 0.178 H 27.3°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#C33731
RGB	rgb(195, 55, 49)
HSL	hsl(2, 60%, 48%)
HSV	hsv(2, 75%, 76%)
CMYK	cmyk(0%, 71.8%, 74.9%, 23.5%)
CIE-LAB	lab(45.03, 54.86, 36.43)
CIE-LCH	lch(45.03, 65.86, 33.59°)
OKLab	oklab(54.72% 0.1582 0.0815)
OKLCH	oklch(54.72% 0.178 27.3)
XYZ	xyz(24.4290, 14.5599, 4.4292)
Luminance	0.1456 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33731 #31BDC3

analogous

#C33174 #C33731 #C38031

triadic

#C33731 #31C337 #3731C3

tetradic

#C33731 #74C331 #31BDC3 #8031C3

square

#C33731 #74C331 #31BDC3 #8031C3

split-complementary

#C33731 #31C380 #3174C3

monochromatic

#611B18 #922925 #C33731 #D6605B #E2908C

Accessibility & contrast

On white

5.37

#C33731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#C33731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33731

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33731	#FFFFFF	#000000	##FFFFFF
##C33731	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)

#60572F

Deuteranopia (green-blind)

#83762C

Tritanopia (blue-blind)

#D70037

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c33731;
/* rgb */ color: rgb(195, 55, 49);
/* oklch */ color: oklch(54.7% 0.178 27.3);

Tailwind

colors: {
  custom: {
    50: '#de776a',
    500: '#c33731',
    950: '#000000',
  },
}

SCSS

$custom: #c33731;
$custom-light: #de776a;
$custom-dark: #000000;

JSON

{
  "hex": "#c33731",
  "rgb": {
    "r": 195,
    "g": 55,
    "b": 49
  },
  "hsl": {
    "h": 2.466,
    "s": 59.836,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54719,
    "c": 0.17791,
    "h": 27.3
  },
  "luminance": 0.14556
}

Semantic roles & 50–950 ramp

primary

#C33731

secondary

#83C9CC

accent

#DCE345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C33731

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

Preview Lab → · Contrast checker → · Palette generator →