#CF403B#CF403B

#CF403B is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.8% C 0.181 H 26.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#CF403B
RGB	rgb(207, 64, 59)
HSL	hsl(2, 61%, 52%)
HSV	hsv(2, 71%, 81%)
CMYK	cmyk(0%, 69.1%, 71.5%, 18.8%)
CIE-LAB	lab(48.58, 55.76, 35.34)
CIE-LCH	lch(48.58, 66.02, 32.37°)
OKLab	oklab(57.81% 0.1616 0.0806)
OKLCH	oklch(57.81% 0.181 26.5)
XYZ	xyz(28.3581, 17.2522, 5.9736)
Luminance	0.1725 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF403B #3BCACF

analogous

#CF3B80 #CF403B #CF8A3B

triadic

#CF403B #3BCF40 #403BCF

tetradic

#CF403B #80CF3B #3BCACF #8A3BCF

square

#CF403B #80CF3B #3BCACF #8A3BCF

split-complementary

#CF403B #3BCF8A #3B80CF

monochromatic

#731F1C #A52C28 #CF403B #DB706C #E7A09D

Accessibility & contrast

On white

4.72

#CF403B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#CF403B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF403B

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF403B	#FFFFFF	#000000	##FFFFFF
##CF403B	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696039

Deuteranopia (green-blind)

#8C7F36

Tritanopia (blue-blind)

#E31040

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cf403b;
/* rgb */ color: rgb(207, 64, 59);
/* oklch */ color: oklch(57.8% 0.181 26.5);

Tailwind

colors: {
  custom: {
    50: '#e67d71',
    500: '#cf403b',
    950: '#000000',
  },
}

SCSS

$custom: #cf403b;
$custom-light: #e67d71;
$custom-dark: #000000;

JSON

{
  "hex": "#cf403b",
  "rgb": {
    "r": 207,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 2.027,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57814,
    "c": 0.1806,
    "h": 26.5
  },
  "luminance": 0.17248
}

Semantic roles & 50–950 ramp

primary

#CF403B

secondary

#93D1D3

accent

#DEE444

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CF403B

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

Preview Lab → · Contrast checker → · Palette generator →