#3F41C3#3F41C3
#3F41C3 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.1% C 0.197 H 274.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).
Color values
| HEX | #3F41C3 |
|---|---|
| RGB | rgb(63, 65, 195) |
| HSL | hsl(239, 52%, 51%) |
| HSV | hsv(239, 68%, 76%) |
| CMYK | cmyk(67.7%, 66.7%, 0%, 23.5%) |
| CIE-LAB | lab(35.55, 40.52, -68.04) |
| CIE-LCH | lch(35.55, 79.19, 300.77°) |
| OKLab | oklab(46.12% 0.0165 -0.1965) |
| OKLCH | oklch(46.12% 0.197 274.8) |
| XYZ | xyz(13.7873, 8.7762, 52.5866) |
| Luminance | 0.0878 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.71
Ocean Blue
#4F42B5
ΔE00 2.83
Blue With A Hint Of Purple
#533CC6
ΔE00 3.18
Blurple
#5539CC
ΔE00 3.95
Blue (survey)
#0343DF
ΔE00 4.25
Bluey Purple
#6241C7
ΔE00 5.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F41C3 #C3C13F
analogous
#3F83C3 #3F41C3 #7F3FC3
triadic
#3F41C3 #C33F41 #41C33F
tetradic
#3F41C3 #C33F83 #C3C13F #3FC37F
square
#3F41C3 #C33F83 #C3C13F #3FC37F
split-complementary
#3F41C3 #C37F3F #83C33F
monochromatic
#202167 #2F3096 #3F41C3 #6E6FD2 #9C9DE0
Accessibility & contrast
On white
7.62
#3F41C3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.76
#3F41C3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F41C3
7.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F41C3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F41C3 | 1.00 | 7.62 | 2.76 | 7.62 |
| #FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005AC7
Deuteranopia (green-blind)
#004EC1
Tritanopia (blue-blind)
#00637C
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #3f41c3; /* rgb */ color: rgb(63, 65, 195); /* oklch */ color: oklch(46.1% 0.197 274.8);
Tailwind
colors: {
custom: {
50: '#8576d6',
500: '#3f41c3',
950: '#000000',
},
}SCSS
$custom: #3f41c3; $custom-light: #8576d6; $custom-dark: #000000;
JSON
{
"hex": "#3f41c3",
"rgb": {
"r": 63,
"g": 65,
"b": 195
},
"hsl": {
"h": 239.091,
"s": 52.381,
"l": 50.588
},
"oklch": {
"l": 0.46115,
"c": 0.19715,
"h": 274.8
},
"luminance": 0.08777
}Semantic roles & 50–950 ramp
primary
#3F41C3
secondary
#CCCB92
accent
#DA4CDC
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83