#2688C3#2688C3
#2688C3 is a mid, vivid cyan. Relative luminance 0.220; OKLCH L 60.0% C 0.125 H 240.8°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).
Color values
| HEX | #2688C3 |
|---|---|
| RGB | rgb(38, 136, 195) |
| HSL | hsl(203, 67%, 46%) |
| HSV | hsv(203, 81%, 76%) |
| CMYK | cmyk(80.5%, 30.3%, 0%, 23.5%) |
| CIE-LAB | lab(53.98, -7.01, -38.46) |
| CIE-LCH | lch(53.98, 39.09, 259.68°) |
| OKLab | oklab(59.96% -0.0609 -0.109) |
| OKLCH | oklch(59.96% 0.125 240.8) |
| XYZ | xyz(19.4499, 21.9581, 54.8324) |
| Luminance | 0.2196 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 1.42
Cerulean (survey)
#0485D1
ΔE00 2.56
Steel Blue
#4682B4
ΔE00 3.82
Cool Blue
#4984B8
ΔE00 3.84
Off Blue
#5684AE
ΔE00 5.46
Nice Blue
#107AB0
ΔE00 5.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2688C3 #C36126
analogous
#26C3AF #2688C3 #2639C3
triadic
#2688C3 #C32688 #88C326
tetradic
#2688C3 #AF26C3 #C36126 #39C326
square
#2688C3 #AF26C3 #C36126 #39C326
split-complementary
#2688C3 #C32639 #C3AF26
monochromatic
#12415D #1C6490 #2688C3 #4AA5DC #7EBFE6
Accessibility & contrast
On white
3.89
#2688C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.39
#2688C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2688C3
5.39:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2688C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2688C3 | 1.00 | 3.89 | 5.39 | 5.39 |
| #FFFFFF | 3.89 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.39 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.39 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C89C6
Deuteranopia (green-blind)
#577BC2
Tritanopia (blue-blind)
#00979D
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #2688c3; /* rgb */ color: rgb(38, 136, 195); /* oklch */ color: oklch(60.0% 0.125 240.8);
Tailwind
colors: {
custom: {
50: '#7aaad5',
500: '#2688c3',
950: '#000000',
},
}SCSS
$custom: #2688c3; $custom-light: #7aaad5; $custom-dark: #000000;
JSON
{
"hex": "#2688c3",
"rgb": {
"r": 38,
"g": 136,
"b": 195
},
"hsl": {
"h": 202.548,
"s": 67.382,
"l": 45.686
},
"oklch": {
"l": 0.59957,
"c": 0.12488,
"h": 240.8
},
"luminance": 0.21961
}Semantic roles & 50–950 ramp
primary
#2688C3
secondary
#CE9877
accent
#7E3EEA
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B1014
muted
#7C7F83