#3E78DB#3E78DB
#3E78DB is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.5% C 0.163 H 260.4°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #3E78DB |
|---|---|
| RGB | rgb(62, 120, 219) |
| HSL | hsl(218, 69%, 55%) |
| HSV | hsv(218, 72%, 86%) |
| CMYK | cmyk(71.7%, 45.2%, 0%, 14.1%) |
| CIE-LAB | lab(51.35, 14.29, -56.21) |
| CIE-LCH | lch(51.35, 58.00, 284.27°) |
| OKLab | oklab(58.51% -0.0273 -0.161) |
| OKLCH | oklch(58.51% 0.163 260.4) |
| XYZ | xyz(21.4847, 19.5692, 69.6490) |
| Luminance | 0.1957 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Deep Sky Blue
#0D75F8
ΔE00 2.97
Clear Blue
#247AFD
ΔE00 3.50
Cerulean Blue
#056EEE
ΔE00 3.87
Windows Blue
#3778BF
ΔE00 4.04
Lightish Blue
#3D7AFD
ΔE00 4.12
Cornflower Blue
#5170D7
ΔE00 4.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3E78DB #DBA13E
analogous
#3EC7DB #3E78DB #523EDB
triadic
#3E78DB #DB3E78 #78DB3E
tetradic
#3E78DB #DB3EC7 #DBA13E #3EDB52
square
#3E78DB #DB3EC7 #DBA13E #3EDB52
split-complementary
#3E78DB #DB523E #C7DB3E
monochromatic
#194186 #235AB9 #3E78DB #729CE5 #A5C0EE
Accessibility & contrast
On white
4.27
#3E78DB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.91
#3E78DB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3E78DB
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3E78DB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3E78DB | 1.00 | 4.27 | 4.91 | 4.91 |
| #FFFFFF | 4.27 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.91 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.91 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4582DF
Deuteranopia (green-blind)
#2474D9
Tritanopia (blue-blind)
#008F9F
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #3e78db; /* rgb */ color: rgb(62, 120, 219); /* oklch */ color: oklch(58.5% 0.163 260.4);
Tailwind
colors: {
custom: {
50: '#869ee7',
500: '#3e78db',
950: '#000000',
},
}SCSS
$custom: #3e78db; $custom-light: #869ee7; $custom-dark: #000000;
JSON
{
"hex": "#3e78db",
"rgb": {
"r": 62,
"g": 120,
"b": 219
},
"hsl": {
"h": 217.834,
"s": 68.559,
"l": 55.098
},
"oklch": {
"l": 0.5851,
"c": 0.16334,
"h": 260.4
},
"luminance": 0.19572
}Semantic roles & 50–950 ramp
primary
#3E78DB
secondary
#DBC399
accent
#AB3CEB
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0D0E16
muted
#7D7E84