#3F3AA4#3F3AA4
#3F3AA4 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.165 H 278.7°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).
Color values
| HEX | #3F3AA4 |
|---|---|
| RGB | rgb(63, 58, 164) |
| HSL | hsl(243, 48%, 44%) |
| HSV | hsv(243, 65%, 64%) |
| CMYK | cmyk(61.6%, 64.6%, 0%, 35.7%) |
| CIE-LAB | lab(31.26, 34.38, -56.66) |
| CIE-LCH | lch(31.26, 66.27, 301.25°) |
| OKLab | oklab(42.17% 0.025 -0.1631) |
| OKLCH | oklch(42.17% 0.165 278.7) |
| XYZ | xyz(10.2617, 6.7624, 35.8793) |
| Luminance | 0.0676 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 3.42
Sapphire (survey)
#2138AB
ΔE00 3.43
Ocean Blue
#4F42B5
ΔE00 3.82
Darkslateblue
#483D8B
ΔE00 4.80
Blue With A Hint Of Purple
#533CC6
ΔE00 5.70
Blue Blue
#2242C7
ΔE00 5.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F3AA4 #9FA43A
analogous
#3A6AA4 #3F3AA4 #743AA4
triadic
#3F3AA4 #A43F3A #3AA43F
tetradic
#3F3AA4 #A43A6A #9FA43A #3AA474
square
#3F3AA4 #A43A6A #9FA43A #3AA474
split-complementary
#3F3AA4 #A4743A #6AA43A
monochromatic
#1C1A4A #2E2A77 #3F3AA4 #5D57C4 #8885D4
Accessibility & contrast
On white
8.93
#3F3AA4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#3F3AA4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F3AA4
8.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F3AA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F3AA4 | 1.00 | 8.93 | 2.35 | 8.93 |
| #FFFFFF | 8.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EA7
Deuteranopia (green-blind)
#0045A2
Tritanopia (blue-blind)
#005569
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #3f3aa4; /* rgb */ color: rgb(63, 58, 164); /* oklch */ color: oklch(42.2% 0.165 278.7);
Tailwind
colors: {
custom: {
50: '#7f71c0',
500: '#3f3aa4',
950: '#000000',
},
}SCSS
$custom: #3f3aa4; $custom-light: #7f71c0; $custom-dark: #000000;
JSON
{
"hex": "#3f3aa4",
"rgb": {
"r": 63,
"g": 58,
"b": 164
},
"hsl": {
"h": 242.83,
"s": 47.748,
"l": 43.529
},
"oklch": {
"l": 0.42168,
"c": 0.16503,
"h": 278.7
},
"luminance": 0.06763
}Semantic roles & 50–950 ramp
primary
#3F3AA4
secondary
#BBBE7C
accent
#D750D1
background
#F8F6FB
surface
#EFECF7
border
#CAC7D0
text
#0B0712
muted
#7C7A81