#668FCD#668FCD
#668FCD is a light, moderate blue. Relative luminance 0.269; OKLCH L 64.6% C 0.104 H 258.4°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).
Color values
| HEX | #668FCD |
|---|---|
| RGB | rgb(102, 143, 205) |
| HSL | hsl(216, 51%, 60%) |
| HSV | hsv(216, 50%, 80%) |
| CMYK | cmyk(50.2%, 30.2%, 0%, 19.6%) |
| CIE-LAB | lab(58.86, 3.22, -36.30) |
| CIE-LCH | lch(58.86, 36.44, 275.07°) |
| OKLab | oklab(64.6% -0.0209 -0.1019) |
| OKLCH | oklch(64.6% 0.104 258.4) |
| XYZ | xyz(26.3177, 26.8756, 61.5465) |
| Luminance | 0.2688 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Faded Blue
#658CBB
ΔE00 2.44
Cornflowerblue
#6495ED
ΔE00 3.72
Soft Blue
#6488EA
ΔE00 3.98
Dark Sky Blue
#448EE4
ΔE00 4.54
Dusty Blue
#5A86AD
ΔE00 5.77
Dodger Blue
#3E82FC
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668FCD #CDA466
analogous
#66C2CD #668FCD #7166CD
triadic
#668FCD #CD668F #8FCD66
tetradic
#668FCD #CD66C2 #CDA466 #66CD71
square
#668FCD #CD66C2 #CDA466 #66CD71
split-complementary
#668FCD #CD7166 #C2CD66
monochromatic
#2D538B #3D6EB9 #668FCD #94B1DC #C2D3EB
Accessibility & contrast
On white
3.29
#668FCD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.38
#668FCD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668FCD
6.38:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668FCD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668FCD | 1.00 | 3.29 | 6.38 | 6.38 |
| #FFFFFF | 3.29 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.38 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.38 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7793D0
Deuteranopia (green-blind)
#6B89CC
Tritanopia (blue-blind)
#369DA5
Achromatopsia (no color)
#8E8E8E
Design tokens & code
CSS
--color: #668fcd; /* rgb */ color: rgb(102, 143, 205); /* oklch */ color: oklch(64.6% 0.104 258.4);
Tailwind
colors: {
custom: {
50: '#97afdc',
500: '#668fcd',
950: '#000000',
},
}SCSS
$custom: #668fcd; $custom-light: #97afdc; $custom-dark: #000000;
JSON
{
"hex": "#668fcd",
"rgb": {
"r": 102,
"g": 143,
"b": 205
},
"hsl": {
"h": 216.117,
"s": 50.739,
"l": 60.196
},
"oklch": {
"l": 0.64604,
"c": 0.10403,
"h": 258.4
},
"luminance": 0.26877
}Semantic roles & 50–950 ramp
primary
#668FCD
secondary
#DBCBB4
accent
#8227BE
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83