#C1403F#C1403F

#C1403F is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.5% C 0.165 H 24.7°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#C1403F
RGB	rgb(193, 64, 63)
HSL	hsl(0, 51%, 50%)
HSV	hsv(0, 67%, 76%)
CMYK	cmyk(0%, 66.8%, 67.4%, 24.3%)
CIE-LAB	lab(46.13, 51.37, 29.50)
CIE-LCH	lch(46.13, 59.24, 29.87°)
OKLab	oklab(55.54% 0.1503 0.069)
OKLCH	oklch(55.54% 0.165 24.7)
XYZ	xyz(24.7255, 15.3666, 6.3658)
Luminance	0.1536 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C1403F #3FC0C1

analogous

#C13F7F #C1403F #C1813F

triadic

#C1403F #3FC140 #403FC1

tetradic

#C1403F #7FC13F #3FC0C1 #813FC1

square

#C1403F #7FC13F #3FC0C1 #813FC1

split-complementary

#C1403F #3FC181 #3F7FC1

monochromatic

#652121 #933030 #C1403F #D06E6D #DF9C9C

Accessibility & contrast

On white

5.16

#C1403F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#C1403F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C1403F

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C1403F	#FFFFFF	#000000	##FFFFFF
##C1403F	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C3E

Deuteranopia (green-blind)

#83783B

Tritanopia (blue-blind)

#D41E41

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c1403f;
/* rgb */ color: rgb(193, 64, 63);
/* oklch */ color: oklch(55.5% 0.165 24.7);

Tailwind

colors: {
  custom: {
    50: '#db7c74',
    500: '#c1403f',
    950: '#000000',
  },
}

SCSS

$custom: #c1403f;
$custom-light: #db7c74;
$custom-dark: #000000;

JSON

{
  "hex": "#c1403f",
  "rgb": {
    "r": 193,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 0.462,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5554,
    "c": 0.16538,
    "h": 24.7
  },
  "luminance": 0.15363
}

Semantic roles & 50–950 ramp

primary

#C1403F

secondary

#91CBCB

accent

#DADB4D

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C1403F

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

Preview Lab → · Contrast checker → · Palette generator →