#688BBF#688BBF
#688BBF is a light, moderate blue. Relative luminance 0.252; OKLCH L 63.2% C 0.088 H 258.1°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).
Color values
| HEX | #688BBF |
|---|---|
| RGB | rgb(104, 139, 191) |
| HSL | hsl(216, 40%, 58%) |
| HSV | hsv(216, 46%, 75%) |
| CMYK | cmyk(45.5%, 27.2%, 0%, 25.1%) |
| CIE-LAB | lab(57.24, 1.84, -30.91) |
| CIE-LCH | lch(57.24, 30.96, 273.41°) |
| OKLab | oklab(63.17% -0.0182 -0.0863) |
| OKLCH | oklch(63.17% 0.088 258.1) |
| XYZ | xyz(24.3424, 25.1684, 52.8554) |
| Luminance | 0.2517 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Faded Blue
#658CBB
ΔE00 1.44
Dusty Blue
#5A86AD
ΔE00 4.71
Soft Blue
#6488EA
ΔE00 4.75
Off Blue
#5684AE
ΔE00 4.97
Cornflowerblue
#6495ED
ΔE00 5.82
Cool Blue
#4984B8
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#688BBF #BF9C68
analogous
#68B6BF #688BBF #7068BF
triadic
#688BBF #BF688B #8BBF68
tetradic
#688BBF #BF68B6 #BF9C68 #68BF70
square
#688BBF #BF68B6 #BF9C68 #68BF70
split-complementary
#688BBF #BF7068 #B6BF68
monochromatic
#334F79 #466CA4 #688BBF #93ACD1 #BECDE3
Accessibility & contrast
On white
3.48
#688BBF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.03
#688BBF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #688BBF
6.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##688BBF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##688BBF | 1.00 | 3.48 | 6.03 | 6.03 |
| #FFFFFF | 3.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.03 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.03 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#778EC1
Deuteranopia (green-blind)
#6D86BE
Tritanopia (blue-blind)
#46969D
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #688bbf; /* rgb */ color: rgb(104, 139, 191); /* oklch */ color: oklch(63.2% 0.088 258.1);
Tailwind
colors: {
custom: {
50: '#97acd2',
500: '#688bbf',
950: '#000000',
},
}SCSS
$custom: #688bbf; $custom-light: #97acd2; $custom-dark: #000000;
JSON
{
"hex": "#688bbf",
"rgb": {
"r": 104,
"g": 139,
"b": 191
},
"hsl": {
"h": 215.862,
"s": 40.465,
"l": 57.843
},
"oklch": {
"l": 0.63166,
"c": 0.08825,
"h": 258.1
},
"luminance": 0.2517
}Semantic roles & 50–950 ramp
primary
#688BBF
secondary
#D3C5B0
accent
#A057D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82