#3F2BB2#3F2BB2
#3F2BB2 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.2% C 0.199 H 279.8°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).
Color values
| HEX | #3F2BB2 |
|---|---|
| RGB | rgb(63, 43, 178) |
| HSL | hsl(249, 61%, 43%) |
| HSV | hsv(249, 76%, 70%) |
| CMYK | cmyk(64.6%, 75.8%, 0%, 30.2%) |
| CIE-LAB | lab(29.41, 47.55, -68.09) |
| CIE-LCH | lch(29.41, 83.05, 304.93°) |
| OKLab | oklab(41.24% 0.0339 -0.1966) |
| OKLCH | oklch(41.24% 0.199 279.8) |
| XYZ | xyz(10.9471, 5.9980, 42.6917) |
| Luminance | 0.0600 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.44
Violet Blue
#510AC9
ΔE00 5.16
Sapphire (survey)
#2138AB
ΔE00 5.34
Blue With A Hint Of Purple
#533CC6
ΔE00 5.50
True Blue
#010FCC
ΔE00 5.58
Purple Blue
#5D21D0
ΔE00 5.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F2BB2 #9EB22B
analogous
#2B5AB2 #3F2BB2 #822BB2
triadic
#3F2BB2 #B23F2B #2BB23F
tetradic
#3F2BB2 #B22B5A #9EB22B #2BB282
square
#3F2BB2 #B22B5A #9EB22B #2BB282
split-complementary
#3F2BB2 #B2822B #5AB22B
monochromatic
#1C134F #2E1F81 #3F2BB2 #5C48D3 #8879DF
Accessibility & contrast
On white
9.55
#3F2BB2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.20
#3F2BB2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F2BB2
9.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F2BB2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F2BB2 | 1.00 | 9.55 | 2.20 | 9.55 |
| #FFFFFF | 9.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004AB6
Deuteranopia (green-blind)
#0040B0
Tritanopia (blue-blind)
#00526D
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #3f2bb2; /* rgb */ color: rgb(63, 43, 178); /* oklch */ color: oklch(41.2% 0.199 279.8);
Tailwind
colors: {
custom: {
50: '#8367ca',
500: '#3f2bb2',
950: '#000000',
},
}SCSS
$custom: #3f2bb2; $custom-light: #8367ca; $custom-dark: #000000;
JSON
{
"hex": "#3f2bb2",
"rgb": {
"r": 63,
"g": 43,
"b": 178
},
"hsl": {
"h": 248.889,
"s": 61.086,
"l": 43.333
},
"oklch": {
"l": 0.41235,
"c": 0.19947,
"h": 279.8
},
"luminance": 0.05999
}Semantic roles & 50–950 ramp
primary
#3F2BB2
secondary
#BAC772
accent
#E444CC
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0613
muted
#7D7A82