#F3666B#F3666B

#F3666B is a light, vivid red. Relative luminance 0.296; OKLCH L 68.8% C 0.174 H 20.7°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#F3666B
RGB	rgb(243, 102, 107)
HSL	hsl(358, 85%, 68%)
HSV	hsv(358, 58%, 95%)
CMYK	cmyk(0%, 58%, 56%, 4.7%)
CIE-LAB	lab(61.33, 54.56, 25.03)
CIE-LCH	lch(61.33, 60.03, 24.64°)
OKLab	oklab(68.77% 0.1625 0.0615)
OKLCH	oklch(68.77% 0.174 20.7)
XYZ	xyz(44.3712, 29.6245, 17.2886)
Luminance	0.2962 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3666B #66F3EE

analogous

#F366B2 #F3666B #F3A766

triadic

#F3666B #6BF366 #666BF3

tetradic

#F3666B #B2F366 #66F3EE #A766F3

square

#F3666B #B2F366 #66F3EE #A766F3

split-complementary

#F3666B #66F3A7 #66B2F3

monochromatic

#CE1017 #EF2D34 #F3666B #F79FA2 #FCD7D9

Accessibility & contrast

On white

3.03

#F3666B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#F3666B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #F3666B

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3666B	#FFFFFF	#000000	##000000
##F3666B	1.00	3.03	6.92	6.92
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88826A

Deuteranopia (green-blind)

#AC9F68

Tritanopia (blue-blind)

#FF4D69

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #f3666b;
/* rgb */ color: rgb(243, 102, 107);
/* oklch */ color: oklch(68.8% 0.174 20.7);

Tailwind

colors: {
  custom: {
    50: '#fd9795',
    500: '#f3666b',
    950: '#000000',
  },
}

SCSS

$custom: #f3666b;
$custom-light: #fd9795;
$custom-dark: #000000;

JSON

{
  "hex": "#f3666b",
  "rgb": {
    "r": 243,
    "g": 102,
    "b": 107
  },
  "hsl": {
    "h": 357.872,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.68765,
    "c": 0.17377,
    "h": 20.7
  },
  "luminance": 0.29619
}

Semantic roles & 50–950 ramp

primary

#F3666B

secondary

#C5F0EF

accent

#E2DA04

background

#FFF9F9

surface

#FFF2F1

border

#D7CCCB

text

#190E0D

muted

#877E7E

Preview Lab

Preview with #F3666B

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

Preview Lab → · Contrast checker → · Palette generator →