#668AA5#668AA5
#668AA5 is a mid, muted cyan. Relative luminance 0.237; OKLCH L 61.7% C 0.058 H 241.2°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #668AA5 |
|---|---|
| RGB | rgb(102, 138, 165) |
| HSL | hsl(206, 26%, 52%) |
| HSV | hsv(206, 38%, 65%) |
| CMYK | cmyk(38.2%, 16.4%, 0%, 35.3%) |
| CIE-LAB | lab(55.80, -5.52, -18.29) |
| CIE-LCH | lch(55.80, 19.10, 253.20°) |
| OKLab | oklab(61.67% -0.0277 -0.0504) |
| OKLCH | oklch(61.67% 0.058 241.2) |
| XYZ | xyz(21.3573, 23.7172, 39.0425) |
| Luminance | 0.2372 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyish Blue
#5E819D
ΔE00 3.33
Blue Grey
#758DA3
ΔE00 3.38
Dusty Blue
#5A86AD
ΔE00 3.66
Off Blue
#5684AE
ΔE00 4.57
Steel Blue (survey)
#5A7D9A
ΔE00 4.91
Steel
#738595
ΔE00 5.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668AA5 #A58166
analogous
#66A5A0 #668AA5 #666BA5
triadic
#668AA5 #A5668A #8AA566
tetradic
#668AA5 #A066A5 #A58166 #6BA566
square
#668AA5 #A066A5 #A58166 #6BA566
split-complementary
#668AA5 #A5666B #A5A066
monochromatic
#364B5B #4C6B82 #668AA5 #8DA7BC #B3C5D2
Accessibility & contrast
On white
3.66
#668AA5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.74
#668AA5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668AA5
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668AA5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668AA5 | 1.00 | 3.66 | 5.74 | 5.74 |
| #FFFFFF | 3.66 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.74 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.74 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7F8AA6
Deuteranopia (green-blind)
#7683A5
Tritanopia (blue-blind)
#509193
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #668aa5; /* rgb */ color: rgb(102, 138, 165); /* oklch */ color: oklch(61.7% 0.058 241.2);
Tailwind
colors: {
custom: {
50: '#94acbf',
500: '#668aa5',
950: '#000000',
},
}SCSS
$custom: #668aa5; $custom-light: #94acbf; $custom-dark: #000000;
JSON
{
"hex": "#668aa5",
"rgb": {
"r": 102,
"g": 138,
"b": 165
},
"hsl": {
"h": 205.714,
"s": 25.926,
"l": 52.353
},
"oklch": {
"l": 0.61665,
"c": 0.05751,
"h": 241.2
},
"luminance": 0.23718
}Semantic roles & 50–950 ramp
primary
#668AA5
secondary
#C1B1A6
accent
#8D65C2
background
#F9FAFB
surface
#F2F4F7
border
#CCCED0
text
#0D1012
muted
#7E7F81