#C4333B#C4333B

#C4333B is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.7% C 0.181 H 22.8°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#C4333B
RGB	rgb(196, 51, 59)
HSL	hsl(357, 59%, 48%)
HSV	hsv(357, 74%, 77%)
CMYK	cmyk(0%, 74%, 69.9%, 23.1%)
CIE-LAB	lab(44.83, 57.04, 30.43)
CIE-LCH	lch(44.83, 64.65, 28.08°)
OKLab	oklab(54.65% 0.167 0.0703)
OKLCH	oklch(54.65% 0.181 22.8)
XYZ	xyz(24.7410, 14.4229, 5.6180)
Luminance	0.1442 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4333B #33C4BC

analogous

#C43383 #C4333B #C47433

triadic

#C4333B #3BC433 #333BC4

tetradic

#C4333B #83C433 #33C4BC #7433C4

square

#C4333B #83C433 #33C4BC #7433C4

split-complementary

#C4333B #33C474 #3383C4

monochromatic

#631A1E #93262C #C4333B #D55F65 #E28F94

Accessibility & contrast

On white

5.41

#C4333B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#C4333B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4333B

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4333B	#FFFFFF	#000000	##FFFFFF
##C4333B	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D563A

Deuteranopia (green-blind)

#817536

Tritanopia (blue-blind)

#D70037

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c4333b;
/* rgb */ color: rgb(196, 51, 59);
/* oklch */ color: oklch(54.7% 0.181 22.8);

Tailwind

colors: {
  custom: {
    50: '#de7671',
    500: '#c4333b',
    950: '#000000',
  },
}

SCSS

$custom: #c4333b;
$custom-light: #de7671;
$custom-dark: #000000;

JSON

{
  "hex": "#c4333b",
  "rgb": {
    "r": 196,
    "g": 51,
    "b": 59
  },
  "hsl": {
    "h": 356.69,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54652,
    "c": 0.18124,
    "h": 22.8
  },
  "luminance": 0.14419
}

Semantic roles & 50–950 ramp

primary

#C4333B

secondary

#86CDC9

accent

#E2D946

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C4333B

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

Preview Lab → · Contrast checker → · Palette generator →