#F3F7FF#F3F7FF

#F3F7FF is a very light, near-neutral blue. Relative luminance 0.928; OKLCH L 97.5% C 0.011 H 264.5°. Best body text is #000000 at 19.56:1 contrast (WCAG AA passes).

Color values

HEX	#F3F7FF
RGB	rgb(243, 247, 255)
HSL	hsl(220, 100%, 98%)
HSV	hsv(220, 5%, 100%)
CMYK	cmyk(4.7%, 3.1%, 0%, 0%)
CIE-LAB	lab(97.14, 0.13, -4.29)
CIE-LCH	lch(97.14, 4.29, 271.72°)
OKLab	oklab(97.54% -0.0011 -0.0114)
OKLCH	oklch(97.54% 0.012 264.5)
XYZ	xyz(88.2695, 92.7958, 107.8494)
Luminance	0.9280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F7FF #FFFBF3

analogous

#F3FDFF #F3F7FF #F5F3FF

triadic

#F3F7FF #FFF3F7 #F7FFF3

tetradic

#F3F7FF #FFF3FD #FFFBF3 #F3FFF5

square

#F3F7FF #FFF3FD #FFFBF3 #F3FFF5

split-complementary

#F3F7FF #FFF5F3 #FDFFF3

monochromatic

#79A5FF #B6CEFF #E0EBFF #E0EBFF #E0EBFF

Accessibility & contrast

On white

1.07

#F3F7FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.56

#F3F7FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F7FF

19.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F7FF	#FFFFFF	#000000	##000000
##F3F7FF	1.00	1.07	19.56	19.56
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.56	21.00	1.00	1.00
##000000	19.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5F7FF

Deuteranopia (green-blind)

#F4F6FF

Tritanopia (blue-blind)

#F0F9F9

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #f3f7ff;
/* rgb */ color: rgb(243, 247, 255);
/* oklch */ color: oklch(97.5% 0.011 264.5);

Tailwind

colors: {
  custom: {
    50: '#f7f9ff',
    500: '#f3f7ff',
    950: '#000000',
  },
}

SCSS

$custom: #f3f7ff;
$custom-light: #f7f9ff;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f7ff",
  "rgb": {
    "r": 243,
    "g": 247,
    "b": 255
  },
  "hsl": {
    "h": 220,
    "s": 100,
    "l": 97.647
  },
  "oklch": {
    "l": 0.97541,
    "c": 0.0115,
    "h": 264.5
  },
  "luminance": 0.92796
}

Semantic roles & 50–950 ramp

primary

#F3F7FF

secondary

#EFD7A7

accent

#9900E6

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#171718

muted

#858586

Preview Lab

Preview with #F3F7FF

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

Preview Lab → · Contrast checker → · Palette generator →