#668BB8#668BB8
#668BB8 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.7% C 0.080 H 253.8°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).
Color values
| HEX | #668BB8 |
|---|---|
| RGB | rgb(102, 139, 184) |
| HSL | hsl(213, 37%, 56%) |
| HSV | hsv(213, 45%, 72%) |
| CMYK | cmyk(44.6%, 24.5%, 0%, 27.8%) |
| CIE-LAB | lab(56.83, -0.72, -27.57) |
| CIE-LCH | lch(56.83, 27.58, 268.50°) |
| OKLab | oklab(62.72% -0.0223 -0.0768) |
| OKLCH | oklch(62.72% 0.08 253.8) |
| XYZ | xyz(23.3610, 24.7492, 48.8842) |
| Luminance | 0.2475 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.57
Dusty Blue
#5A86AD
ΔE00 3.48
Off Blue
#5684AE
ΔE00 3.88
Cool Blue
#4984B8
ΔE00 5.02
Soft Blue
#6488EA
ΔE00 5.49
Steel Blue
#4682B4
ΔE00 5.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668BB8 #B89366
analogous
#66B4B8 #668BB8 #6A66B8
triadic
#668BB8 #B8668B #8BB866
tetradic
#668BB8 #B866B4 #B89366 #66B86A
square
#668BB8 #B866B4 #B89366 #66B86A
split-complementary
#668BB8 #B86A66 #B4B866
monochromatic
#344F70 #476C9A #668BB8 #90ABCB #BACADF
Accessibility & contrast
On white
3.53
#668BB8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.95
#668BB8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668BB8
5.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668BB8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668BB8 | 1.00 | 3.53 | 5.95 | 5.95 |
| #FFFFFF | 3.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.95 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.95 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7A8DBA
Deuteranopia (green-blind)
#7085B7
Tritanopia (blue-blind)
#46959A
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #668bb8; /* rgb */ color: rgb(102, 139, 184); /* oklch */ color: oklch(62.7% 0.080 253.8);
Tailwind
colors: {
custom: {
50: '#95accd',
500: '#668bb8',
950: '#000000',
},
}SCSS
$custom: #668bb8; $custom-light: #95accd; $custom-dark: #000000;
JSON
{
"hex": "#668bb8",
"rgb": {
"r": 102,
"g": 139,
"b": 184
},
"hsl": {
"h": 212.927,
"s": 36.607,
"l": 56.078
},
"oklch": {
"l": 0.62718,
"c": 0.07999,
"h": 253.8
},
"luminance": 0.24751
}Semantic roles & 50–950 ramp
primary
#668BB8
secondary
#CEBFAC
accent
#995BCD
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1013
muted
#7E7F82