#CF403A#CF403A

#CF403A is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.8% C 0.181 H 26.8°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#CF403A
RGB	rgb(207, 64, 58)
HSL	hsl(2, 61%, 52%)
HSV	hsv(2, 72%, 81%)
CMYK	cmyk(0%, 69.1%, 72%, 18.8%)
CIE-LAB	lab(48.56, 55.71, 35.90)
CIE-LCH	lch(48.56, 66.28, 32.80°)
OKLab	oklab(57.8% 0.1613 0.0816)
OKLCH	oklch(57.8% 0.181 26.8)
XYZ	xyz(28.3324, 17.2419, 5.8383)
Luminance	0.1724 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF403A #3AC9CF

analogous

#CF3A7F #CF403A #CF8B3A

triadic

#CF403A #3ACF40 #403ACF

tetradic

#CF403A #7FCF3A #3AC9CF #8B3ACF

square

#CF403A #7FCF3A #3AC9CF #8B3ACF

split-complementary

#CF403A #3ACF8B #3A7FCF

monochromatic

#731F1C #A42D28 #CF403A #DB706B #E79F9C

Accessibility & contrast

On white

4.72

#CF403A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#CF403A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF403A

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF403A	#FFFFFF	#000000	##FFFFFF
##CF403A	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)

#696038

Deuteranopia (green-blind)

#8C7F35

Tritanopia (blue-blind)

#E31040

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cf403a;
/* rgb */ color: rgb(207, 64, 58);
/* oklch */ color: oklch(57.8% 0.181 26.8);

Tailwind

colors: {
  custom: {
    50: '#e67d70',
    500: '#cf403a',
    950: '#000000',
  },
}

SCSS

$custom: #cf403a;
$custom-light: #e67d70;
$custom-dark: #000000;

JSON

{
  "hex": "#cf403a",
  "rgb": {
    "r": 207,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 2.416,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.578,
    "c": 0.18074,
    "h": 26.8
  },
  "luminance": 0.17238
}

Semantic roles & 50–950 ramp

primary

#CF403A

secondary

#92D0D3

accent

#DDE444

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CF403A

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

Preview Lab → · Contrast checker → · Palette generator →