#3F5FCE#3F5FCE
#3F5FCE is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.5% C 0.176 H 267.8°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).
Color values
| HEX | #3F5FCE |
|---|---|
| RGB | rgb(63, 95, 206) |
| HSL | hsl(227, 59%, 53%) |
| HSV | hsv(227, 69%, 81%) |
| CMYK | cmyk(69.4%, 53.9%, 0%, 19.2%) |
| CIE-LAB | lab(43.79, 25.51, -60.98) |
| CIE-LCH | lch(43.79, 66.10, 292.71°) |
| OKLab | oklab(52.49% -0.0068 -0.1754) |
| OKLCH | oklch(52.49% 0.176 267.8) |
| XYZ | xyz(17.2788, 13.6957, 60.1135) |
| Luminance | 0.1370 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Azul
#1D5DEC
ΔE00 3.63
Warm Blue
#4B57DB
ΔE00 4.10
Royal Blue
#4169E1
ΔE00 4.17
Denim
#1560BD
ΔE00 5.63
Bright Blue
#0165FC
ΔE00 5.85
Cornflower Blue
#5170D7
ΔE00 6.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F5FCE #CEAE3F
analogous
#3FA7CE #3F5FCE #663FCE
triadic
#3F5FCE #CE3F5F #5FCE3F
tetradic
#3F5FCE #CE3FA7 #CEAE3F #3FCE66
square
#3F5FCE #CE3FA7 #CEAE3F #3FCE66
split-complementary
#3F5FCE #CE663F #A7CE3F
monochromatic
#1E3175 #2A46A6 #3F5FCE #7088DA #A1B0E7
Accessibility & contrast
On white
5.62
#3F5FCE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.74
#3F5FCE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F5FCE
5.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F5FCE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F5FCE | 1.00 | 5.62 | 3.74 | 5.62 |
| #FFFFFF | 5.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#056ED2
Deuteranopia (green-blind)
#0061CC
Tritanopia (blue-blind)
#007A8D
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #3f5fce; /* rgb */ color: rgb(63, 95, 206); /* oklch */ color: oklch(52.5% 0.176 267.8);
Tailwind
colors: {
custom: {
50: '#858cde',
500: '#3f5fce',
950: '#000000',
},
}SCSS
$custom: #3f5fce; $custom-light: #858cde; $custom-dark: #000000;
JSON
{
"hex": "#3f5fce",
"rgb": {
"r": 63,
"g": 95,
"b": 206
},
"hsl": {
"h": 226.573,
"s": 59.336,
"l": 52.745
},
"oklch": {
"l": 0.52491,
"c": 0.17558,
"h": 267.8
},
"luminance": 0.13697
}Semantic roles & 50–950 ramp
primary
#3F5FCE
secondary
#D3C695
accent
#BF45E3
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83