#F3F8FF#F3F8FF
#F3F8FF is a very light, near-neutral blue. Relative luminance 0.934; OKLCH L 97.7% C 0.011 H 256.7°. Best body text is #000000 at 19.68:1 contrast (WCAG AA passes).
Color values
| HEX | #F3F8FF |
|---|---|
| RGB | rgb(243, 248, 255) |
| HSL | hsl(215, 100%, 98%) |
| HSV | hsv(215, 5%, 100%) |
| CMYK | cmyk(4.7%, 2.7%, 0%, 0%) |
| CIE-LAB | lab(97.39, -0.38, -3.92) |
| CIE-LCH | lch(97.39, 3.94, 264.48°) |
| OKLab | oklab(97.74% -0.0025 -0.0105) |
| OKLCH | oklch(97.74% 0.011 256.7) |
| XYZ | xyz(88.5761, 93.4090, 107.9516) |
| Luminance | 0.9341 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Aliceblue
#F0F8FF
ΔE00 1.35
Ghostwhite
#F8F8FF
ΔE00 2.45
Pale Grey
#FDFDFE
ΔE00 3.43
Whitesmoke
#F5F5F5
ΔE00 3.67
White
#FFFFFF
ΔE00 3.94
Off White
#FAF9F6
ΔE00 5.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#F3F8FF #FFFAF3
analogous
#F3FEFF #F3F8FF #F4F3FF
triadic
#F3F8FF #FFF3F8 #F8FFF3
tetradic
#F3F8FF #FFF3FE #FFFAF3 #F3FFF4
square
#F3F8FF #FFF3FE #FFFAF3 #F3FFF4
split-complementary
#F3F8FF #FFF4F3 #FEFFF3
monochromatic
#79B1FF #B6D4FF #E0EDFF #E0EDFF #E0EDFF
Accessibility & contrast
On white
1.07
#F3F8FF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
19.68
#F3F8FF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #F3F8FF
19.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##F3F8FF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##F3F8FF | 1.00 | 1.07 | 19.68 | 19.68 |
| #FFFFFF | 1.07 | 1.00 | 21.00 | 21.00 |
| #000000 | 19.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 19.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#F6F8FF
Deuteranopia (green-blind)
#F5F7FF
Tritanopia (blue-blind)
#F0F9FA
Achromatopsia (no color)
#F7F7F7
Design tokens & code
CSS
--color: #f3f8ff; /* rgb */ color: rgb(243, 248, 255); /* oklch */ color: oklch(97.7% 0.011 256.7);
Tailwind
colors: {
custom: {
50: '#f7faff',
500: '#f3f8ff',
950: '#000000',
},
}SCSS
$custom: #f3f8ff; $custom-light: #f7faff; $custom-dark: #000000;
JSON
{
"hex": "#f3f8ff",
"rgb": {
"r": 243,
"g": 248,
"b": 255
},
"hsl": {
"h": 215,
"s": 100,
"l": 97.647
},
"oklch": {
"l": 0.97736,
"c": 0.01076,
"h": 256.7
},
"luminance": 0.93409
}Semantic roles & 50–950 ramp
primary
#F3F8FF
secondary
#EFD1A7
accent
#8600E6
background
#FFFFFF
surface
#FEFFFF
border
#D6D7D7
text
#171718
muted
#858586