#688CB7#688CB7
#688CB7 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 63.0% C 0.077 H 253.3°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).
Color values
| HEX | #688CB7 |
|---|---|
| RGB | rgb(104, 140, 183) |
| HSL | hsl(213, 35%, 56%) |
| HSV | hsv(213, 43%, 72%) |
| CMYK | cmyk(43.2%, 23.5%, 0%, 28.2%) |
| CIE-LAB | lab(57.19, -1.07, -26.44) |
| CIE-LCH | lch(57.19, 26.46, 267.69°) |
| OKLab | oklab(63.02% -0.022 -0.0735) |
| OKLCH | oklch(63.02% 0.077 253.3) |
| XYZ | xyz(23.6314, 25.1167, 48.3934) |
| Luminance | 0.2512 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.81
Dusty Blue
#5A86AD
ΔE00 3.65
Off Blue
#5684AE
ΔE00 4.15
Cool Blue
#4984B8
ΔE00 5.37
Soft Blue
#6488EA
ΔE00 5.62
Blue Grey
#758DA3
ΔE00 5.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#688CB7 #B79368
analogous
#68B4B7 #688CB7 #6C68B7
triadic
#688CB7 #B7688C #8CB768
tetradic
#688CB7 #B768B4 #B79368 #68B76C
square
#688CB7 #B768B4 #B79368 #68B76C
split-complementary
#688CB7 #B76C68 #B4B768
monochromatic
#35506F #496D99 #688CB7 #91ACCB #BBCBDF
Accessibility & contrast
On white
3.49
#688CB7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.02
#688CB7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #688CB7
6.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##688CB7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##688CB7 | 1.00 | 3.49 | 6.02 | 6.02 |
| #FFFFFF | 3.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.02 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.02 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C8EB9
Deuteranopia (green-blind)
#7286B6
Tritanopia (blue-blind)
#4A969B
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #688cb7; /* rgb */ color: rgb(104, 140, 183); /* oklch */ color: oklch(63.0% 0.077 253.3);
Tailwind
colors: {
custom: {
50: '#96adcc',
500: '#688cb7',
950: '#000000',
},
}SCSS
$custom: #688cb7; $custom-light: #96adcc; $custom-dark: #000000;
JSON
{
"hex": "#688cb7",
"rgb": {
"r": 104,
"g": 140,
"b": 183
},
"hsl": {
"h": 212.658,
"s": 35.426,
"l": 56.275
},
"oklch": {
"l": 0.63017,
"c": 0.07676,
"h": 253.3
},
"luminance": 0.25118
}Semantic roles & 50–950 ramp
primary
#688CB7
secondary
#CEBFAD
accent
#995CCB
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1013
muted
#7E7F82