#F3666F#F3666F

#F3666F is a light, vivid red. Relative luminance 0.297; OKLCH L 68.8% C 0.174 H 19.0°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#F3666F
RGB	rgb(243, 102, 111)
HSL	hsl(356, 85%, 68%)
HSV	hsv(356, 58%, 95%)
CMYK	cmyk(0%, 58%, 54.3%, 4.7%)
CIE-LAB	lab(61.40, 54.86, 22.84)
CIE-LCH	lch(61.40, 59.43, 22.60°)
OKLab	oklab(68.85% 0.164 0.0566)
OKLCH	oklch(68.85% 0.174 19)
XYZ	xyz(44.5865, 29.7106, 18.4226)
Luminance	0.2970 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3666F #66F3EA

analogous

#F366B6 #F3666F #F3A366

triadic

#F3666F #6FF366 #666FF3

tetradic

#F3666F #B6F366 #66F3EA #A366F3

square

#F3666F #B6F366 #66F3EA #A366F3

split-complementary

#F3666F #66F3A3 #66B6F3

monochromatic

#CE101C #EF2D3A #F3666F #F79FA4 #FCD7DA

Accessibility & contrast

On white

3.03

#F3666F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#F3666F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #F3666F

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3666F	#FFFFFF	#000000	##000000
##F3666F	1.00	3.03	6.94	6.94
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87826E

Deuteranopia (green-blind)

#AB9F6C

Tritanopia (blue-blind)

#FF4E6A

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #f3666f;
/* rgb */ color: rgb(243, 102, 111);
/* oklch */ color: oklch(68.8% 0.174 19.0);

Tailwind

colors: {
  custom: {
    50: '#fd9798',
    500: '#f3666f',
    950: '#000000',
  },
}

SCSS

$custom: #f3666f;
$custom-light: #fd9798;
$custom-dark: #000000;

JSON

{
  "hex": "#f3666f",
  "rgb": {
    "r": 243,
    "g": 102,
    "b": 111
  },
  "hsl": {
    "h": 356.17,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.68845,
    "c": 0.17353,
    "h": 19
  },
  "luminance": 0.29705
}

Semantic roles & 50–950 ramp

primary

#F3666F

secondary

#C5F0ED

accent

#E2D404

background

#FFF9F9

surface

#FFF2F2

border

#D7CCCC

text

#190E0D

muted

#877E7E

Preview Lab

Preview with #F3666F

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

Preview Lab → · Contrast checker → · Palette generator →