#C4403C#C4403C

#C4403C is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.0% C 0.169 H 25.9°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#C4403C
RGB	rgb(196, 64, 60)
HSL	hsl(2, 54%, 50%)
HSV	hsv(2, 69%, 77%)
CMYK	cmyk(0%, 67.3%, 69.4%, 23.1%)
CIE-LAB	lab(46.62, 52.21, 31.98)
CIE-LCH	lch(46.62, 61.22, 31.49°)
OKLab	oklab(55.99% 0.152 0.0739)
OKLCH	oklch(55.99% 0.169 25.9)
XYZ	xyz(25.4167, 15.7325, 5.9724)
Luminance	0.1573 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4403C #3CC0C4

analogous

#C43C7C #C4403C #C4843C

triadic

#C4403C #3CC440 #403CC4

tetradic

#C4403C #7CC43C #3CC0C4 #843CC4

square

#C4403C #7CC43C #3CC0C4 #843CC4

split-complementary

#C4403C #3CC484 #3C7CC4

monochromatic

#67211F #96302D #C4403C #D26E6B #E09C9A

Accessibility & contrast

On white

5.07

#C4403C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#C4403C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4403C

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4403C	#FFFFFF	#000000	##FFFFFF
##C4403C	1.00	5.07	4.15	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C3A

Deuteranopia (green-blind)

#867938

Tritanopia (blue-blind)

#D71B40

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c4403c;
/* rgb */ color: rgb(196, 64, 60);
/* oklch */ color: oklch(56.0% 0.169 25.9);

Tailwind

colors: {
  custom: {
    50: '#de7c72',
    500: '#c4403c',
    950: '#000000',
  },
}

SCSS

$custom: #c4403c;
$custom-light: #de7c72;
$custom-dark: #000000;

JSON

{
  "hex": "#c4403c",
  "rgb": {
    "r": 196,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 1.765,
    "s": 53.543,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55991,
    "c": 0.16899,
    "h": 25.9
  },
  "luminance": 0.15729
}

Semantic roles & 50–950 ramp

primary

#C4403C

secondary

#90CBCC

accent

#D9DD4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C4403C

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

Preview Lab → · Contrast checker → · Palette generator →