#3C81C7#3C81C7
#3C81C7 is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.2% C 0.128 H 251.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).
Color values
| HEX | #3C81C7 |
|---|---|
| RGB | rgb(60, 129, 199) |
| HSL | hsl(210, 55%, 51%) |
| HSV | hsv(210, 70%, 78%) |
| CMYK | cmyk(69.8%, 35.2%, 0%, 22%) |
| CIE-LAB | lab(52.71, 1.32, -42.70) |
| CIE-LCH | lch(52.71, 42.72, 271.77°) |
| OKLab | oklab(59.19% -0.0414 -0.1213) |
| OKLCH | oklch(59.19% 0.128 251.2) |
| XYZ | xyz(20.0187, 20.7825, 56.9782) |
| Luminance | 0.2079 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.28
Steel Blue
#4682B4
ΔE00 2.56
Windows Blue
#3778BF
ΔE00 3.38
Cerulean (survey)
#0485D1
ΔE00 3.65
Off Blue
#5684AE
ΔE00 3.92
Bluish
#2976BB
ΔE00 4.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3C81C7 #C7823C
analogous
#3CC6C7 #3C81C7 #3C3CC7
triadic
#3C81C7 #C73C81 #81C73C
tetradic
#3C81C7 #C73CC6 #C7823C #3CC73C
square
#3C81C7 #C73CC6 #C7823C #3CC73C
split-complementary
#3C81C7 #C73C3C #C6C73C
monochromatic
#1E446A #2C639A #3C81C7 #6CA0D5 #9BBEE2
Accessibility & contrast
On white
4.07
#3C81C7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.16
#3C81C7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3C81C7
5.16:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3C81C7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3C81C7 | 1.00 | 4.07 | 5.16 | 5.16 |
| #FFFFFF | 4.07 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.16 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.16 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6285CA
Deuteranopia (green-blind)
#4E78C6
Tritanopia (blue-blind)
#00919B
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #3c81c7; /* rgb */ color: rgb(60, 129, 199); /* oklch */ color: oklch(59.2% 0.128 251.2);
Tailwind
colors: {
custom: {
50: '#82a5d8',
500: '#3c81c7',
950: '#000000',
},
}SCSS
$custom: #3c81c7; $custom-light: #82a5d8; $custom-dark: #000000;
JSON
{
"hex": "#3c81c7",
"rgb": {
"r": 60,
"g": 129,
"b": 199
},
"hsl": {
"h": 210.216,
"s": 55.378,
"l": 50.784
},
"oklch": {
"l": 0.59188,
"c": 0.12815,
"h": 251.2
},
"luminance": 0.20785
}Semantic roles & 50–950 ramp
primary
#3C81C7
secondary
#CEB091
accent
#9449DF
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C0F14
muted
#7D7F83