#F3728B#F3728B

#F3728B is a light, vivid red. Relative luminance 0.330; OKLCH L 71.1% C 0.160 H 9.9°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#F3728B
RGB	rgb(243, 114, 139)
HSL	hsl(348, 84%, 70%)
HSV	hsv(348, 53%, 95%)
CMYK	cmyk(0%, 53.1%, 42.8%, 4.7%)
CIE-LAB	lab(64.13, 51.81, 10.55)
CIE-LCH	lch(64.13, 52.87, 11.52°)
OKLab	oklab(71.09% 0.1572 0.0275)
OKLCH	oklch(71.09% 0.16 9.9)
XYZ	xyz(47.6427, 32.9585, 28.2737)
Luminance	0.3295 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3728B #72F3DA

analogous

#F372CC #F3728B #F39972

triadic

#F3728B #8BF372 #728BF3

tetradic

#F3728B #CCF372 #72F3DA #9972F3

square

#F3728B #CCF372 #72F3DA #9972F3

split-complementary

#F3728B #72F399 #72CCF3

monochromatic

#D81239 #EE3A5D #F3728B #F8AAB9 #FDE3E8

Accessibility & contrast

On white

2.77

#F3728B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#F3728B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3728B

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3728B	#FFFFFF	#000000	##000000
##F3728B	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8C8B

Deuteranopia (green-blind)

#ACA588

Tritanopia (blue-blind)

#FF637B

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #f3728b;
/* rgb */ color: rgb(243, 114, 139);
/* oklch */ color: oklch(71.1% 0.160 9.9);

Tailwind

colors: {
  custom: {
    50: '#fb9eac',
    500: '#f3728b',
    950: '#000000',
  },
}

SCSS

$custom: #f3728b;
$custom-light: #fb9eac;
$custom-dark: #000000;

JSON

{
  "hex": "#f3728b",
  "rgb": {
    "r": 243,
    "g": 114,
    "b": 139
  },
  "hsl": {
    "h": 348.372,
    "s": 84.314,
    "l": 70
  },
  "oklch": {
    "l": 0.71092,
    "c": 0.15955,
    "h": 9.9
  },
  "luminance": 0.32953
}

Semantic roles & 50–950 ramp

primary

#F3728B

secondary

#CEF2EB

accent

#E1B605

background

#FFFAFA

surface

#FFF3F4

border

#D7CDCE

text

#180F10

muted

#867F7F

Preview Lab

Preview with #F3728B

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

Preview Lab → · Contrast checker → · Palette generator →