#668DF5#668DF5
#668DF5 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.4% C 0.161 H 266.6°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).
Color values
| HEX | #668DF5 |
|---|---|
| RGB | rgb(102, 141, 245) |
| HSL | hsl(224, 88%, 68%) |
| HSV | hsv(224, 58%, 96%) |
| CMYK | cmyk(58.4%, 42.4%, 0%, 3.9%) |
| CIE-LAB | lab(60.31, 17.04, -56.28) |
| CIE-LCH | lch(60.31, 58.80, 286.84°) |
| OKLab | oklab(66.38% -0.0095 -0.1602) |
| OKLCH | oklch(66.38% 0.161 266.6) |
| XYZ | xyz(31.4802, 28.4645, 90.2038) |
| Luminance | 0.2847 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 1.96
Cornflowerblue
#6495ED
ΔE00 3.15
Dodger Blue
#3E82FC
ΔE00 4.81
Faded Blue
#658CBB
ΔE00 6.12
Dark Sky Blue
#448EE4
ΔE00 6.29
Lightish Blue
#3D7AFD
ΔE00 6.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668DF5 #F5CE66
analogous
#66D5F5 #668DF5 #8666F5
triadic
#668DF5 #F5668D #8DF566
tetradic
#668DF5 #F566D5 #F5CE66 #66F586
square
#668DF5 #F566D5 #F5CE66 #66F586
split-complementary
#668DF5 #F58666 #D5F566
monochromatic
#0E44D3 #2D62F1 #668DF5 #9FB8F9 #D9E3FD
Accessibility & contrast
On white
3.14
#668DF5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.69
#668DF5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668DF5
6.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668DF5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668DF5 | 1.00 | 3.14 | 6.69 | 6.69 |
| #FFFFFF | 3.14 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F98F9
Deuteranopia (green-blind)
#4B8BF3
Tritanopia (blue-blind)
#00A4B5
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #668df5; /* rgb */ color: rgb(102, 141, 245); /* oklch */ color: oklch(66.4% 0.161 266.6);
Tailwind
colors: {
custom: {
50: '#9cadf9',
500: '#668df5',
950: '#000000',
},
}SCSS
$custom: #668df5; $custom-light: #9cadf9; $custom-dark: #000000;
JSON
{
"hex": "#668df5",
"rgb": {
"r": 102,
"g": 141,
"b": 245
},
"hsl": {
"h": 223.636,
"s": 87.73,
"l": 68.039
},
"oklch": {
"l": 0.66375,
"c": 0.16051,
"h": 266.6
},
"luminance": 0.28467
}Semantic roles & 50–950 ramp
primary
#668DF5
secondary
#F1E5C6
accent
#A601E4
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85