#688ECE#688ECE
#688ECE is a light, moderate blue. Relative luminance 0.267; OKLCH L 64.6% C 0.106 H 260.4°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).
Color values
| HEX | #688ECE |
|---|---|
| RGB | rgb(104, 142, 206) |
| HSL | hsl(218, 51%, 61%) |
| HSV | hsv(218, 50%, 81%) |
| CMYK | cmyk(49.5%, 31.1%, 0%, 19.2%) |
| CIE-LAB | lab(58.74, 4.58, -37.04) |
| CIE-LCH | lch(58.74, 37.33, 277.05°) |
| OKLab | oklab(64.55% -0.0175 -0.1041) |
| OKLCH | oklch(64.55% 0.106 260.4) |
| XYZ | xyz(26.5188, 26.7435, 62.1452) |
| Luminance | 0.2675 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Faded Blue
#658CBB
ΔE00 2.67
Soft Blue
#6488EA
ΔE00 3.61
Cornflowerblue
#6495ED
ΔE00 3.94
Dark Sky Blue
#448EE4
ΔE00 5.15
Dusty Blue
#5A86AD
ΔE00 6.03
Dodger Blue
#3E82FC
ΔE00 6.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#688ECE #CEA868
analogous
#68C1CE #688ECE #7568CE
triadic
#688ECE #CE688E #8ECE68
tetradic
#688ECE #CE68C1 #CEA868 #68CE75
square
#688ECE #CE68C1 #CEA868 #68CE75
split-complementary
#688ECE #CE7568 #C1CE68
monochromatic
#2E528E #3D6CBC #688ECE #96B1DD #C4D3EC
Accessibility & contrast
On white
3.31
#688ECE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.35
#688ECE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #688ECE
6.35:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##688ECE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##688ECE | 1.00 | 3.31 | 6.35 | 6.35 |
| #FFFFFF | 3.31 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.35 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.35 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7593D1
Deuteranopia (green-blind)
#6A89CD
Tritanopia (blue-blind)
#3A9CA5
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #688ece; /* rgb */ color: rgb(104, 142, 206); /* oklch */ color: oklch(64.6% 0.106 260.4);
Tailwind
colors: {
custom: {
50: '#99aedd',
500: '#688ece',
950: '#000000',
},
}SCSS
$custom: #688ece; $custom-light: #99aedd; $custom-dark: #000000;
JSON
{
"hex": "#688ece",
"rgb": {
"r": 104,
"g": 142,
"b": 206
},
"hsl": {
"h": 217.647,
"s": 51,
"l": 60.784
},
"oklch": {
"l": 0.64552,
"c": 0.10552,
"h": 260.4
},
"luminance": 0.26745
}Semantic roles & 50–950 ramp
primary
#688ECE
secondary
#DCCEB6
accent
#8627BE
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83