#668DBB#668DBB
#668DBB is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.3% C 0.082 H 253.1°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).
Color values
| HEX | #668DBB |
|---|---|
| RGB | rgb(102, 141, 187) |
| HSL | hsl(212, 38%, 57%) |
| HSV | hsv(212, 45%, 73%) |
| CMYK | cmyk(45.5%, 24.6%, 0%, 26.7%) |
| CIE-LAB | lab(57.52, -1.00, -28.21) |
| CIE-LCH | lch(57.52, 28.23, 267.97°) |
| OKLab | oklab(63.3% -0.0239 -0.0786) |
| OKLCH | oklch(63.3% 0.082 253.1) |
| XYZ | xyz(23.9710, 25.4608, 50.6554) |
| Luminance | 0.2546 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.37
Dusty Blue
#5A86AD
ΔE00 3.77
Off Blue
#5684AE
ΔE00 4.23
Cool Blue
#4984B8
ΔE00 5.15
Soft Blue
#6488EA
ΔE00 5.36
Dark Sky Blue
#448EE4
ΔE00 5.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668DBB #BB9466
analogous
#66B8BB #668DBB #6A66BB
triadic
#668DBB #BB668D #8DBB66
tetradic
#668DBB #BB66B8 #BB9466 #66BB6A
square
#668DBB #BB66B8 #BB9466 #66BB6A
split-complementary
#668DBB #BB6A66 #B8BB66
monochromatic
#335173 #466E9E #668DBB #90ADCE #BBCCE1
Accessibility & contrast
On white
3.45
#668DBB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.09
#668DBB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668DBB
6.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668DBB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668DBB | 1.00 | 3.45 | 6.09 | 6.09 |
| #FFFFFF | 3.45 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.09 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.09 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7B8FBD
Deuteranopia (green-blind)
#7186BA
Tritanopia (blue-blind)
#44979D
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #668dbb; /* rgb */ color: rgb(102, 141, 187); /* oklch */ color: oklch(63.3% 0.082 253.1);
Tailwind
colors: {
custom: {
50: '#96aecf',
500: '#668dbb',
950: '#000000',
},
}SCSS
$custom: #668dbb; $custom-light: #96aecf; $custom-dark: #000000;
JSON
{
"hex": "#668dbb",
"rgb": {
"r": 102,
"g": 141,
"b": 187
},
"hsl": {
"h": 212.471,
"s": 38.462,
"l": 56.667
},
"oklch": {
"l": 0.63302,
"c": 0.08218,
"h": 253.1
},
"luminance": 0.25462
}Semantic roles & 50–950 ramp
primary
#668DBB
secondary
#D0C0AD
accent
#9959CE
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82