#C33831#C33831

#C33831 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.8% C 0.177 H 27.5°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#C33831
RGB	rgb(195, 56, 49)
HSL	hsl(3, 60%, 48%)
HSV	hsv(3, 75%, 76%)
CMYK	cmyk(0%, 71.3%, 74.9%, 23.5%)
CIE-LAB	lab(45.16, 54.49, 36.58)
CIE-LCH	lch(45.16, 65.63, 33.87°)
OKLab	oklab(54.82% 0.157 0.0818)
OKLCH	oklch(54.82% 0.177 27.5)
XYZ	xyz(24.4770, 14.6559, 4.4452)
Luminance	0.1465 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33831 #31BCC3

analogous

#C33173 #C33831 #C38131

triadic

#C33831 #31C338 #3831C3

tetradic

#C33831 #73C331 #31BCC3 #8131C3

square

#C33831 #73C331 #31BCC3 #8131C3

split-complementary

#C33831 #31C381 #3173C3

monochromatic

#611C18 #922A25 #C33831 #D6615B #E2908C

Accessibility & contrast

On white

5.34

#C33831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#C33831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33831

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33831	#FFFFFF	#000000	##FFFFFF
##C33831	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61582F

Deuteranopia (green-blind)

#83762C

Tritanopia (blue-blind)

#D70038

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c33831;
/* rgb */ color: rgb(195, 56, 49);
/* oklch */ color: oklch(54.8% 0.177 27.5);

Tailwind

colors: {
  custom: {
    50: '#de786a',
    500: '#c33831',
    950: '#000000',
  },
}

SCSS

$custom: #c33831;
$custom-light: #de786a;
$custom-dark: #000000;

JSON

{
  "hex": "#c33831",
  "rgb": {
    "r": 195,
    "g": 56,
    "b": 49
  },
  "hsl": {
    "h": 2.877,
    "s": 59.836,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54819,
    "c": 0.17702,
    "h": 27.5
  },
  "luminance": 0.14652
}

Semantic roles & 50–950 ramp

primary

#C33831

secondary

#83C9CC

accent

#DBE345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C33831

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

Preview Lab → · Contrast checker → · Palette generator →