#668CBD#668CBD
#668CBD is a light, moderate cyan. Relative luminance 0.253; OKLCH L 63.2% C 0.086 H 255.1°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).
Color values
| HEX | #668CBD |
|---|---|
| RGB | rgb(102, 140, 189) |
| HSL | hsl(214, 40%, 57%) |
| HSV | hsv(214, 46%, 74%) |
| CMYK | cmyk(46%, 25.9%, 0%, 25.9%) |
| CIE-LAB | lab(57.32, 0.16, -29.66) |
| CIE-LCH | lch(57.32, 29.66, 270.31°) |
| OKLab | oklab(63.17% -0.022 -0.0828) |
| OKLCH | oklch(63.17% 0.086 255.1) |
| XYZ | xyz(24.0398, 25.2535, 51.7419) |
| Luminance | 0.2525 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.50
Dusty Blue
#5A86AD
ΔE00 4.06
Off Blue
#5684AE
ΔE00 4.40
Soft Blue
#6488EA
ΔE00 5.04
Cool Blue
#4984B8
ΔE00 5.29
Dark Sky Blue
#448EE4
ΔE00 5.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668CBD #BD9766
analogous
#66B8BD #668CBD #6C66BD
triadic
#668CBD #BD668C #8CBD66
tetradic
#668CBD #BD66B8 #BD9766 #66BD6C
square
#668CBD #BD66B8 #BD9766 #66BD6C
split-complementary
#668CBD #BD6C66 #B8BD66
monochromatic
#335076 #456DA1 #668CBD #91ACCF #BCCCE2
Accessibility & contrast
On white
3.47
#668CBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.05
#668CBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668CBD
6.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668CBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668CBD | 1.00 | 3.47 | 6.05 | 6.05 |
| #FFFFFF | 3.47 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.05 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.05 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#798EBF
Deuteranopia (green-blind)
#6F86BC
Tritanopia (blue-blind)
#43979D
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #668cbd; /* rgb */ color: rgb(102, 140, 189); /* oklch */ color: oklch(63.2% 0.086 255.1);
Tailwind
colors: {
custom: {
50: '#96add1',
500: '#668cbd',
950: '#000000',
},
}SCSS
$custom: #668cbd; $custom-light: #96add1; $custom-dark: #000000;
JSON
{
"hex": "#668cbd",
"rgb": {
"r": 102,
"g": 140,
"b": 189
},
"hsl": {
"h": 213.793,
"s": 39.726,
"l": 57.059
},
"oklch": {
"l": 0.63172,
"c": 0.08564,
"h": 255.1
},
"luminance": 0.25255
}Semantic roles & 50–950 ramp
primary
#668CBD
secondary
#D1C2AE
accent
#9B58D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82