#668FCE#668FCE
#668FCE is a light, moderate blue. Relative luminance 0.269; OKLCH L 64.7% C 0.105 H 258.7°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).
Color values
| HEX | #668FCE |
|---|---|
| RGB | rgb(102, 143, 206) |
| HSL | hsl(216, 51%, 60%) |
| HSV | hsv(216, 50%, 81%) |
| CMYK | cmyk(50.5%, 30.6%, 0%, 19.2%) |
| CIE-LAB | lab(58.90, 3.53, -36.79) |
| CIE-LCH | lch(58.90, 36.96, 275.48°) |
| OKLab | oklab(64.65% -0.0206 -0.1033) |
| OKLCH | oklch(64.65% 0.105 258.7) |
| XYZ | xyz(26.4388, 26.9240, 62.1842) |
| Luminance | 0.2693 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Faded Blue
#658CBB
ΔE00 2.55
Cornflowerblue
#6495ED
ΔE00 3.63
Soft Blue
#6488EA
ΔE00 3.90
Dark Sky Blue
#448EE4
ΔE00 4.54
Dusty Blue
#5A86AD
ΔE00 5.86
Dodger Blue
#3E82FC
ΔE00 5.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668FCE #CEA566
analogous
#66C3CE #668FCE #7166CE
triadic
#668FCE #CE668F #8FCE66
tetradic
#668FCE #CE66C3 #CEA566 #66CE71
square
#668FCE #CE66C3 #CEA566 #66CE71
split-complementary
#668FCE #CE7166 #C3CE66
monochromatic
#2D538D #3C6EBB #668FCE #94B1DD #C3D3EC
Accessibility & contrast
On white
3.29
#668FCE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.39
#668FCE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668FCE
6.39:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668FCE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668FCE | 1.00 | 3.29 | 6.39 | 6.39 |
| #FFFFFF | 3.29 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.39 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.39 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7793D1
Deuteranopia (green-blind)
#6A89CD
Tritanopia (blue-blind)
#359DA5
Achromatopsia (no color)
#8E8E8E
Design tokens & code
CSS
--color: #668fce; /* rgb */ color: rgb(102, 143, 206); /* oklch */ color: oklch(64.7% 0.105 258.7);
Tailwind
colors: {
custom: {
50: '#97afdd',
500: '#668fce',
950: '#000000',
},
}SCSS
$custom: #668fce; $custom-light: #97afdd; $custom-dark: #000000;
JSON
{
"hex": "#668fce",
"rgb": {
"r": 102,
"g": 143,
"b": 206
},
"hsl": {
"h": 216.346,
"s": 51.485,
"l": 60.392
},
"oklch": {
"l": 0.64654,
"c": 0.10538,
"h": 258.7
},
"luminance": 0.26926
}Semantic roles & 50–950 ramp
primary
#668FCE
secondary
#DCCCB4
accent
#8327BF
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83