#688CF2#688CF2
#688CF2 is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.1% C 0.157 H 267.4°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).
Color values
| HEX | #688CF2 |
|---|---|
| RGB | rgb(104, 140, 242) |
| HSL | hsl(224, 84%, 68%) |
| HSV | hsv(224, 57%, 95%) |
| CMYK | cmyk(57%, 42.1%, 0%, 5.1%) |
| CIE-LAB | lab(59.99, 17.05, -55.13) |
| CIE-LCH | lch(59.99, 57.70, 287.19°) |
| OKLab | oklab(66.1% -0.0071 -0.1568) |
| OKLCH | oklch(66.1% 0.157 267.4) |
| XYZ | xyz(31.1086, 28.1076, 87.7732) |
| Luminance | 0.2811 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 1.56
Cornflowerblue
#6495ED
ΔE00 3.57
Dodger Blue
#3E82FC
ΔE00 4.94
Faded Blue
#658CBB
ΔE00 5.98
Lightish Blue
#3D7AFD
ΔE00 6.38
Cornflower
#6A79F7
ΔE00 6.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#688CF2 #F2CE68
analogous
#68D1F2 #688CF2 #8968F2
triadic
#688CF2 #F2688C #8CF268
tetradic
#688CF2 #F268D1 #F2CE68 #68F289
square
#688CF2 #F268D1 #F2CE68 #68F289
split-complementary
#688CF2 #F28968 #D1F268
monochromatic
#1243CE #3061ED #688CF2 #A0B7F7 #D9E2FC
Accessibility & contrast
On white
3.17
#688CF2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.62
#688CF2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #688CF2
6.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##688CF2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##688CF2 | 1.00 | 3.17 | 6.62 | 6.62 |
| #FFFFFF | 3.17 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F97F6
Deuteranopia (green-blind)
#4D8BF0
Tritanopia (blue-blind)
#00A3B3
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #688cf2; /* rgb */ color: rgb(104, 140, 242); /* oklch */ color: oklch(66.1% 0.157 267.4);
Tailwind
colors: {
custom: {
50: '#9dadf7',
500: '#688cf2',
950: '#000000',
},
}SCSS
$custom: #688cf2; $custom-light: #9dadf7; $custom-dark: #000000;
JSON
{
"hex": "#688cf2",
"rgb": {
"r": 104,
"g": 140,
"b": 242
},
"hsl": {
"h": 224.348,
"s": 84.146,
"l": 67.843
},
"oklch": {
"l": 0.66104,
"c": 0.15699,
"h": 267.4
},
"luminance": 0.2811
}Semantic roles & 50–950 ramp
primary
#688CF2
secondary
#F0E5C6
accent
#A705E1
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85