#387DE3#387DE3
#387DE3 is a mid, vivid blue. Relative luminance 0.211; OKLCH L 59.9% C 0.170 H 258.4°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).
Color values
| HEX | #387DE3 |
|---|---|
| RGB | rgb(56, 125, 227) |
| HSL | hsl(216, 75%, 55%) |
| HSV | hsv(216, 75%, 89%) |
| CMYK | cmyk(75.3%, 44.9%, 0%, 11%) |
| CIE-LAB | lab(53.01, 13.35, -58.06) |
| CIE-LCH | lch(53.01, 59.57, 282.94°) |
| OKLab | oklab(59.89% -0.0342 -0.1665) |
| OKLCH | oklch(59.89% 0.17 258.4) |
| XYZ | xyz(22.8246, 21.0514, 75.5186) |
| Luminance | 0.2105 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Clear Blue
#247AFD
ΔE00 2.75
Azure
#007FFF
ΔE00 2.76
Deep Sky Blue
#0D75F8
ΔE00 3.22
Dodger Blue
#3E82FC
ΔE00 3.52
Lightish Blue
#3D7AFD
ΔE00 3.85
Windows Blue
#3778BF
ΔE00 4.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#387DE3 #E39E38
analogous
#38D3E3 #387DE3 #4838E3
triadic
#387DE3 #E3387D #7DE338
tetradic
#387DE3 #E338D3 #E39E38 #38E348
square
#387DE3 #E338D3 #E39E38 #38E348
split-complementary
#387DE3 #E34838 #D3E338
monochromatic
#14458D #1B5FC2 #387DE3 #6EA0EB #A3C3F2
Accessibility & contrast
On white
4.03
#387DE3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.21
#387DE3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #387DE3
5.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##387DE3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##387DE3 | 1.00 | 4.03 | 5.21 | 5.21 |
| #FFFFFF | 4.03 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.21 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.21 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4887E7
Deuteranopia (green-blind)
#2277E1
Tritanopia (blue-blind)
#0095A5
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #387de3; /* rgb */ color: rgb(56, 125, 227); /* oklch */ color: oklch(59.9% 0.170 258.4);
Tailwind
colors: {
custom: {
50: '#85a2ec',
500: '#387de3',
950: '#000000',
},
}SCSS
$custom: #387de3; $custom-light: #85a2ec; $custom-dark: #000000;
JSON
{
"hex": "#387de3",
"rgb": {
"r": 56,
"g": 125,
"b": 227
},
"hsl": {
"h": 215.789,
"s": 75.33,
"l": 55.49
},
"oklch": {
"l": 0.59887,
"c": 0.16995,
"h": 258.4
},
"luminance": 0.21054
}Semantic roles & 50–950 ramp
primary
#387DE3
secondary
#DFC298
accent
#A636F2
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0E16
muted
#7E7E84