#C9403F#C9403F

#C9403F is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.9% C 0.174 H 24.9°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#C9403F
RGB	rgb(201, 64, 63)
HSL	hsl(0, 56%, 52%)
HSV	hsv(0, 69%, 79%)
CMYK	cmyk(0%, 68.2%, 68.7%, 21.2%)
CIE-LAB	lab(47.56, 54.01, 31.56)
CIE-LCH	lch(47.56, 62.55, 30.30°)
OKLab	oklab(56.87% 0.1577 0.0732)
OKLCH	oklch(56.87% 0.174 24.9)
XYZ	xyz(26.8209, 16.4471, 6.4640)
Luminance	0.1644 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9403F #3FC8C9

analogous

#C93F83 #C9403F #C9853F

triadic

#C9403F #3FC940 #403FC9

tetradic

#C9403F #83C93F #3FC8C9 #853FC9

square

#C9403F #83C93F #3FC8C9 #853FC9

split-complementary

#C9403F #3FC985 #3F83C9

monochromatic

#6F201F #9E2D2D #C9403F #D6706F #E49F9F

Accessibility & contrast

On white

4.90

#C9403F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#C9403F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C9403F

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9403F	#FFFFFF	#000000	##FFFFFF
##C9403F	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E3E

Deuteranopia (green-blind)

#887C3B

Tritanopia (blue-blind)

#DD1841

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #c9403f;
/* rgb */ color: rgb(201, 64, 63);
/* oklch */ color: oklch(56.9% 0.174 24.9);

Tailwind

colors: {
  custom: {
    50: '#e17d74',
    500: '#c9403f',
    950: '#000000',
  },
}

SCSS

$custom: #c9403f;
$custom-light: #e17d74;
$custom-dark: #000000;

JSON

{
  "hex": "#c9403f",
  "rgb": {
    "r": 201,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 0.435,
    "s": 56.098,
    "l": 51.765
  },
  "oklch": {
    "l": 0.5687,
    "c": 0.17384,
    "h": 24.9
  },
  "luminance": 0.16443
}

Semantic roles & 50–950 ramp

primary

#C9403F

secondary

#94D0D0

accent

#DEDF48

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C9403F

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

Preview Lab → · Contrast checker → · Palette generator →