#2788AB#2788AB
#2788AB is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.8% C 0.101 H 227.1°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).
Color values
| HEX | #2788AB |
|---|---|
| RGB | rgb(39, 136, 171) |
| HSL | hsl(196, 63%, 41%) |
| HSV | hsv(196, 77%, 67%) |
| CMYK | cmyk(77.2%, 20.5%, 0%, 32.9%) |
| CIE-LAB | lab(52.93, -15.44, -26.37) |
| CIE-LCH | lch(52.93, 30.56, 239.65°) |
| OKLab | oklab(58.77% -0.0688 -0.074) |
| OKLCH | oklch(58.77% 0.101 227.1) |
| XYZ | xyz(16.9885, 20.9779, 41.6740) |
| Luminance | 0.2098 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 3.17
Teal Blue
#01889F
ΔE00 5.32
Cerulean
#007BA7
ΔE00 5.59
Ocean
#017B92
ΔE00 7.13
Nice Blue
#107AB0
ΔE00 7.59
Sea Blue
#047495
ΔE00 7.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2788AB #AB4A27
analogous
#27AB8C #2788AB #2746AB
triadic
#2788AB #AB2788 #88AB27
tetradic
#2788AB #8C27AB #AB4A27 #46AB27
square
#2788AB #8C27AB #AB4A27 #46AB27
split-complementary
#2788AB #AB2746 #AB8C27
monochromatic
#103947 #1C6079 #2788AB #3DABD3 #6EC0DE
Accessibility & contrast
On white
4.04
#2788AB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.20
#2788AB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2788AB
5.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2788AB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2788AB | 1.00 | 4.04 | 5.20 | 5.20 |
| #FFFFFF | 4.04 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.20 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.20 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7585AD
Deuteranopia (green-blind)
#6479AB
Tritanopia (blue-blind)
#009294
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #2788ab; /* rgb */ color: rgb(39, 136, 171); /* oklch */ color: oklch(58.8% 0.101 227.1);
Tailwind
colors: {
custom: {
50: '#76aac4',
500: '#2788ab',
950: '#000000',
},
}SCSS
$custom: #2788ab; $custom-light: #76aac4; $custom-dark: #000000;
JSON
{
"hex": "#2788ab",
"rgb": {
"r": 39,
"g": 136,
"b": 171
},
"hsl": {
"h": 195.909,
"s": 62.857,
"l": 41.176
},
"oklch": {
"l": 0.58766,
"c": 0.10107,
"h": 227.1
},
"luminance": 0.2098
}Semantic roles & 50–950 ramp
primary
#2788AB
secondary
#C58169
accent
#6D42E6
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1012
muted
#7C7F81