#6691BF#6691BF
#6691BF is a light, moderate cyan. Relative luminance 0.268; OKLCH L 64.4% C 0.084 H 250.9°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).
Color values
| HEX | #6691BF |
|---|---|
| RGB | rgb(102, 145, 191) |
| HSL | hsl(211, 41%, 57%) |
| HSV | hsv(211, 47%, 75%) |
| CMYK | cmyk(46.6%, 24.1%, 0%, 25.1%) |
| CIE-LAB | lab(58.82, -2.12, -28.46) |
| CIE-LCH | lch(58.82, 28.54, 265.73°) |
| OKLab | oklab(64.38% -0.0275 -0.0793) |
| OKLCH | oklch(64.38% 0.084 250.9) |
| XYZ | xyz(25.0057, 26.8355, 53.1422) |
| Luminance | 0.2684 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 1.85
Dusty Blue
#5A86AD
ΔE00 4.47
Dark Sky Blue
#448EE4
ΔE00 4.81
Cornflowerblue
#6495ED
ΔE00 5.02
Off Blue
#5684AE
ΔE00 5.04
Cool Blue
#4984B8
ΔE00 5.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6691BF #BF9466
analogous
#66BEBF #6691BF #6766BF
triadic
#6691BF #BF6691 #91BF66
tetradic
#6691BF #BF66BE #BF9466 #66BF67
square
#6691BF #BF66BE #BF9466 #66BF67
split-complementary
#6691BF #BF6766 #BEBF66
monochromatic
#325478 #4472A3 #6691BF #91B0D1 #BCCFE3
Accessibility & contrast
On white
3.30
#6691BF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.37
#6691BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6691BF
6.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6691BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6691BF | 1.00 | 3.30 | 6.37 | 6.37 |
| #FFFFFF | 3.30 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.37 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.37 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7F92C1
Deuteranopia (green-blind)
#748ABE
Tritanopia (blue-blind)
#409BA1
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #6691bf; /* rgb */ color: rgb(102, 145, 191); /* oklch */ color: oklch(64.4% 0.084 250.9);
Tailwind
colors: {
custom: {
50: '#96b1d2',
500: '#6691bf',
950: '#000000',
},
}SCSS
$custom: #6691bf; $custom-light: #96b1d2; $custom-dark: #000000;
JSON
{
"hex": "#6691bf",
"rgb": {
"r": 102,
"g": 145,
"b": 191
},
"hsl": {
"h": 211.011,
"s": 41.014,
"l": 57.451
},
"oklch": {
"l": 0.64377,
"c": 0.084,
"h": 250.9
},
"luminance": 0.26837
}Semantic roles & 50–950 ramp
primary
#6691BF
secondary
#D2C1AE
accent
#9657D1
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82