#668EBB#668EBB
#668EBB is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.5% C 0.081 H 252.0°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).
Color values
| HEX | #668EBB |
|---|---|
| RGB | rgb(102, 142, 187) |
| HSL | hsl(212, 38%, 57%) |
| HSV | hsv(212, 45%, 73%) |
| CMYK | cmyk(45.5%, 24.1%, 0%, 26.7%) |
| CIE-LAB | lab(57.81, -1.58, -27.77) |
| CIE-LCH | lch(57.81, 27.82, 266.75°) |
| OKLab | oklab(63.53% -0.0251 -0.0774) |
| OKLCH | oklch(63.53% 0.081 252) |
| XYZ | xyz(24.1191, 25.7571, 50.7047) |
| Luminance | 0.2576 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.80
Dusty Blue
#5A86AD
ΔE00 3.78
Off Blue
#5684AE
ΔE00 4.31
Cool Blue
#4984B8
ΔE00 5.18
Dark Sky Blue
#448EE4
ΔE00 5.26
Soft Blue
#6488EA
ΔE00 5.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668EBB #BB9366
analogous
#66B9BB #668EBB #6966BB
triadic
#668EBB #BB668E #8EBB66
tetradic
#668EBB #BB66B9 #BB9366 #66BB69
square
#668EBB #BB66B9 #BB9366 #66BB69
split-complementary
#668EBB #BB6966 #B9BB66
monochromatic
#335173 #466F9E #668EBB #90ADCE #BBCDE1
Accessibility & contrast
On white
3.41
#668EBB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.15
#668EBB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668EBB
6.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668EBB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668EBB | 1.00 | 3.41 | 6.15 | 6.15 |
| #FFFFFF | 3.41 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.15 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.15 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C90BD
Deuteranopia (green-blind)
#7287BA
Tritanopia (blue-blind)
#44989D
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #668ebb; /* rgb */ color: rgb(102, 142, 187); /* oklch */ color: oklch(63.5% 0.081 252.0);
Tailwind
colors: {
custom: {
50: '#96aecf',
500: '#668ebb',
950: '#000000',
},
}SCSS
$custom: #668ebb; $custom-light: #96aecf; $custom-dark: #000000;
JSON
{
"hex": "#668ebb",
"rgb": {
"r": 102,
"g": 142,
"b": 187
},
"hsl": {
"h": 211.765,
"s": 38.462,
"l": 56.667
},
"oklch": {
"l": 0.63525,
"c": 0.08135,
"h": 252
},
"luminance": 0.25759
}Semantic roles & 50–950 ramp
primary
#668EBB
secondary
#D0BFAD
accent
#9759CE
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82