#3F56EA#3F56EA
#3F56EA is a mid, highly saturated blue. Relative luminance 0.137; OKLCH L 53.1% C 0.223 H 270.0°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).
Color values
| HEX | #3F56EA |
|---|---|
| RGB | rgb(63, 86, 234) |
| HSL | hsl(232, 80%, 58%) |
| HSV | hsv(232, 73%, 92%) |
| CMYK | cmyk(73.1%, 63.2%, 0%, 8.2%) |
| CIE-LAB | lab(43.73, 41.05, -77.04) |
| CIE-LCH | lch(43.73, 87.29, 298.05°) |
| OKLab | oklab(53.12% -0.0001 -0.2227) |
| OKLCH | oklch(53.12% 0.223 270) |
| XYZ | xyz(20.2239, 13.6507, 79.3950) |
| Luminance | 0.1365 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 1.94
Electric Blue
#0652FF
ΔE00 2.79
Azul
#1D5DEC
ΔE00 3.61
Dark Periwinkle
#665FD1
ΔE00 5.93
Bright Blue
#0165FC
ΔE00 6.15
Royal Blue
#4169E1
ΔE00 6.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F56EA #EAD33F
analogous
#3FABEA #3F56EA #7D3FEA
triadic
#3F56EA #EA3F56 #56EA3F
tetradic
#3F56EA #EA3FAB #EAD33F #3FEA7D
square
#3F56EA #EA3FAB #EAD33F #3FEA7D
split-complementary
#3F56EA #EA7D3F #ABEA3F
monochromatic
#11249D #1731D5 #3F56EA #7687F0 #ADB7F6
Accessibility & contrast
On white
5.63
#3F56EA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.73
#3F56EA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F56EA
5.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F56EA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F56EA | 1.00 | 5.63 | 3.73 | 5.63 |
| #FFFFFF | 5.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0070EF
Deuteranopia (green-blind)
#005FE7
Tritanopia (blue-blind)
#007D98
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #3f56ea; /* rgb */ color: rgb(63, 86, 234); /* oklch */ color: oklch(53.1% 0.223 270.0);
Tailwind
colors: {
custom: {
50: '#8b85f2',
500: '#3f56ea',
950: '#000000',
},
}SCSS
$custom: #3f56ea; $custom-light: #8b85f2; $custom-dark: #000000;
JSON
{
"hex": "#3f56ea",
"rgb": {
"r": 63,
"g": 86,
"b": 234
},
"hsl": {
"h": 231.93,
"s": 80.282,
"l": 58.235
},
"oklch": {
"l": 0.53118,
"c": 0.2227,
"h": 270
},
"luminance": 0.13653
}Semantic roles & 50–950 ramp
primary
#3F56EA
secondary
#E4DBA0
accent
#DC31F7
background
#F9F8FE
surface
#F2EFFD
border
#CCCAD5
text
#0E0B17
muted
#7E7C85