#3F5ED4#3F5ED4
#3F5ED4 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.8% C 0.185 H 268.2°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).
Color values
| HEX | #3F5ED4 |
|---|---|
| RGB | rgb(63, 94, 212) |
| HSL | hsl(228, 63%, 54%) |
| HSV | hsv(228, 70%, 83%) |
| CMYK | cmyk(70.3%, 55.7%, 0%, 16.9%) |
| CIE-LAB | lab(43.96, 28.30, -64.14) |
| CIE-LCH | lch(43.96, 70.11, 293.81°) |
| OKLab | oklab(52.76% -0.0057 -0.1848) |
| OKLCH | oklch(52.76% 0.185 268.2) |
| XYZ | xyz(17.9322, 13.8138, 63.9959) |
| Luminance | 0.1382 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Azul
#1D5DEC
ΔE00 3.04
Warm Blue
#4B57DB
ΔE00 3.36
Royal Blue
#4169E1
ΔE00 4.08
Bright Blue
#0165FC
ΔE00 5.47
Electric Blue
#0652FF
ΔE00 5.74
Dark Periwinkle
#665FD1
ΔE00 5.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F5ED4 #D4B53F
analogous
#3FA9D4 #3F5ED4 #6B3FD4
triadic
#3F5ED4 #D43F5E #5ED43F
tetradic
#3F5ED4 #D43FA9 #D4B53F #3FD46B
square
#3F5ED4 #D43FA9 #D4B53F #3FD46B
split-complementary
#3F5ED4 #D46B3F #A9D43F
monochromatic
#1C307D #2743AF #3F5ED4 #7188DF #A3B2EA
Accessibility & contrast
On white
5.58
#3F5ED4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.76
#3F5ED4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F5ED4
5.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F5ED4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F5ED4 | 1.00 | 5.58 | 3.76 | 5.58 |
| #FFFFFF | 5.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006FD8
Deuteranopia (green-blind)
#0061D2
Tritanopia (blue-blind)
#007B90
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #3f5ed4; /* rgb */ color: rgb(63, 94, 212); /* oklch */ color: oklch(52.8% 0.185 268.2);
Tailwind
colors: {
custom: {
50: '#868be2',
500: '#3f5ed4',
950: '#000000',
},
}SCSS
$custom: #3f5ed4; $custom-light: #868be2; $custom-dark: #000000;
JSON
{
"hex": "#3f5ed4",
"rgb": {
"r": 63,
"g": 94,
"b": 212
},
"hsl": {
"h": 227.517,
"s": 63.404,
"l": 53.922
},
"oklch": {
"l": 0.52757,
"c": 0.18486,
"h": 268.2
},
"luminance": 0.13816
}Semantic roles & 50–950 ramp
primary
#3F5ED4
secondary
#D7CA98
accent
#C441E6
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0D0B15
muted
#7D7C83