#6691C4#6691C4
#6691C4 is a light, moderate cyan. Relative luminance 0.271; OKLCH L 64.6% C 0.090 H 253.3°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).
Color values
| HEX | #6691C4 |
|---|---|
| RGB | rgb(102, 145, 196) |
| HSL | hsl(213, 44%, 58%) |
| HSV | hsv(213, 48%, 77%) |
| CMYK | cmyk(48%, 26%, 0%, 23.1%) |
| CIE-LAB | lab(59.03, -0.65, -30.97) |
| CIE-LCH | lch(59.03, 30.97, 268.81°) |
| OKLab | oklab(64.61% -0.0259 -0.0865) |
| OKLCH | oklch(64.61% 0.09 253.3) |
| XYZ | xyz(25.5653, 27.0593, 56.0897) |
| Luminance | 0.2706 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 1.90
Cornflowerblue
#6495ED
ΔE00 4.38
Dark Sky Blue
#448EE4
ΔE00 4.48
Dusty Blue
#5A86AD
ΔE00 5.00
Soft Blue
#6488EA
ΔE00 5.20
Off Blue
#5684AE
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6691C4 #C49966
analogous
#66C0C4 #6691C4 #6A66C4
triadic
#6691C4 #C46691 #91C466
tetradic
#6691C4 #C466C0 #C49966 #66C46A
square
#6691C4 #C466C0 #C49966 #66C46A
split-complementary
#6691C4 #C46A66 #C0C466
monochromatic
#31547F #4272AB #6691C4 #92B1D5 #BED1E6
Accessibility & contrast
On white
3.28
#6691C4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.41
#6691C4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6691C4
6.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6691C4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6691C4 | 1.00 | 3.28 | 6.41 | 6.41 |
| #FFFFFF | 3.28 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.41 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.41 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7D93C6
Deuteranopia (green-blind)
#718AC3
Tritanopia (blue-blind)
#3D9CA3
Achromatopsia (no color)
#8E8E8E
Design tokens & code
CSS
--color: #6691c4; /* rgb */ color: rgb(102, 145, 196); /* oklch */ color: oklch(64.6% 0.090 253.3);
Tailwind
colors: {
custom: {
50: '#96b1d6',
500: '#6691c4',
950: '#000000',
},
}SCSS
$custom: #6691c4; $custom-light: #96b1d6; $custom-dark: #000000;
JSON
{
"hex": "#6691c4",
"rgb": {
"r": 102,
"g": 145,
"b": 196
},
"hsl": {
"h": 212.553,
"s": 44.34,
"l": 58.431
},
"oklch": {
"l": 0.64609,
"c": 0.09034,
"h": 253.3
},
"luminance": 0.27061
}Semantic roles & 50–950 ramp
primary
#6691C4
secondary
#D6C4B0
accent
#9954D4
background
#F9FAFD
surface
#F2F4FA
border
#CCCED3
text
#0E1014
muted
#7E7F83