#3F8AD4#3F8AD4
#3F8AD4 is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.1% C 0.135 H 250.6°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).
Color values
| HEX | #3F8AD4 |
|---|---|
| RGB | rgb(63, 138, 212) |
| HSL | hsl(210, 63%, 54%) |
| HSV | hsv(210, 70%, 83%) |
| CMYK | cmyk(70.3%, 34.9%, 0%, 16.9%) |
| CIE-LAB | lab(56.07, 1.00, -44.73) |
| CIE-LCH | lch(56.07, 44.75, 271.28°) |
| OKLab | oklab(62.07% -0.0446 -0.1271) |
| OKLCH | oklch(62.07% 0.135 250.6) |
| XYZ | xyz(23.0176, 23.9847, 65.6910) |
| Luminance | 0.2399 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.36
Cool Blue
#4984B8
ΔE00 3.58
Cerulean (survey)
#0485D1
ΔE00 3.73
Dodgerblue
#1E90FF
ΔE00 4.13
Water Blue
#0E87CC
ΔE00 4.21
Steel Blue
#4682B4
ΔE00 4.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F8AD4 #D4893F
analogous
#3FD4D4 #3F8AD4 #3F40D4
triadic
#3F8AD4 #D43F8A #8AD43F
tetradic
#3F8AD4 #D43FD4 #D4893F #40D43F
square
#3F8AD4 #D43FD4 #D4893F #40D43F
split-complementary
#3F8AD4 #D43F40 #D4D43F
monochromatic
#1C4D7D #276BAF #3F8AD4 #71A8DF #A3C7EA
Accessibility & contrast
On white
3.62
#3F8AD4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.80
#3F8AD4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F8AD4
5.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F8AD4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F8AD4 | 1.00 | 3.62 | 5.80 | 5.80 |
| #FFFFFF | 3.62 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.80 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.80 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#698ED7
Deuteranopia (green-blind)
#5380D3
Tritanopia (blue-blind)
#009BA5
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #3f8ad4; /* rgb */ color: rgb(63, 138, 212); /* oklch */ color: oklch(62.1% 0.135 250.6);
Tailwind
colors: {
custom: {
50: '#85abe1',
500: '#3f8ad4',
950: '#000000',
},
}SCSS
$custom: #3f8ad4; $custom-light: #85abe1; $custom-dark: #000000;
JSON
{
"hex": "#3f8ad4",
"rgb": {
"r": 63,
"g": 138,
"b": 212
},
"hsl": {
"h": 209.799,
"s": 63.404,
"l": 53.922
},
"oklch": {
"l": 0.62068,
"c": 0.13468,
"h": 250.6
},
"luminance": 0.23987
}Semantic roles & 50–950 ramp
primary
#3F8AD4
secondary
#D7B798
accent
#9341E6
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83