#688BB2#688BB2
#688BB2 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.6% C 0.071 H 251.7°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).
Color values
| HEX | #688BB2 |
|---|---|
| RGB | rgb(104, 139, 178) |
| HSL | hsl(212, 32%, 55%) |
| HSV | hsv(212, 42%, 70%) |
| CMYK | cmyk(41.6%, 21.9%, 0%, 30.2%) |
| CIE-LAB | lab(56.70, -1.92, -24.34) |
| CIE-LCH | lch(56.70, 24.41, 265.49°) |
| OKLab | oklab(62.57% -0.0224 -0.0675) |
| OKLCH | oklch(62.57% 0.071 251.7) |
| XYZ | xyz(22.9748, 24.6213, 45.6526) |
| Luminance | 0.2462 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 1.59
Dusty Blue
#5A86AD
ΔE00 3.11
Off Blue
#5684AE
ΔE00 3.74
Blue Grey
#758DA3
ΔE00 5.08
Cool Blue
#4984B8
ΔE00 5.24
Greyish Blue
#5E819D
ΔE00 5.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#688BB2 #B28F68
analogous
#68B0B2 #688BB2 #6A68B2
triadic
#688BB2 #B2688B #8BB268
tetradic
#688BB2 #B268B0 #B28F68 #68B26A
square
#688BB2 #B268B0 #B28F68 #68B26A
split-complementary
#688BB2 #B26A68 #B0B268
monochromatic
#364E6A #4B6C92 #688BB2 #91AAC7 #B9C9DB
Accessibility & contrast
On white
3.54
#688BB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.92
#688BB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #688BB2
5.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##688BB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##688BB2 | 1.00 | 3.54 | 5.92 | 5.92 |
| #FFFFFF | 3.54 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.92 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.92 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C8CB4
Deuteranopia (green-blind)
#7385B1
Tritanopia (blue-blind)
#4D9498
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #688bb2; /* rgb */ color: rgb(104, 139, 178); /* oklch */ color: oklch(62.6% 0.071 251.7);
Tailwind
colors: {
custom: {
50: '#96acc9',
500: '#688bb2',
950: '#000000',
},
}SCSS
$custom: #688bb2; $custom-light: #96acc9; $custom-dark: #000000;
JSON
{
"hex": "#688bb2",
"rgb": {
"r": 104,
"g": 139,
"b": 178
},
"hsl": {
"h": 211.622,
"s": 32.456,
"l": 55.294
},
"oklch": {
"l": 0.6257,
"c": 0.07116,
"h": 251.7
},
"luminance": 0.24623
}Semantic roles & 50–950 ramp
primary
#688BB2
secondary
#CABCAB
accent
#975FC9
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0E1013
muted
#7E7F82