#3F2FB8#3F2FB8
#3F2FB8 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.4% C 0.203 H 278.5°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).
Color values
| HEX | #3F2FB8 |
|---|---|
| RGB | rgb(63, 47, 184) |
| HSL | hsl(247, 59%, 45%) |
| HSV | hsv(247, 74%, 72%) |
| CMYK | cmyk(65.8%, 74.5%, 0%, 27.8%) |
| CIE-LAB | lab(30.76, 47.29, -69.44) |
| CIE-LCH | lch(30.76, 84.01, 304.26°) |
| OKLab | oklab(42.37% 0.0301 -0.2005) |
| OKLCH | oklch(42.37% 0.203 278.5) |
| XYZ | xyz(11.7154, 6.5495, 45.9849) |
| Luminance | 0.0655 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue With A Hint Of Purple
#533CC6
ΔE00 4.46
Indigo Blue
#3A18B1
ΔE00 4.47
Blurple
#5539CC
ΔE00 4.68
Sapphire (survey)
#2138AB
ΔE00 4.94
Ocean Blue
#4F42B5
ΔE00 5.03
Purple Blue
#5D21D0
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F2FB8 #A8B82F
analogous
#2F64B8 #3F2FB8 #832FB8
triadic
#3F2FB8 #B83F2F #2FB83F
tetradic
#3F2FB8 #B82F64 #A8B82F #2FB883
square
#3F2FB8 #B82F64 #A8B82F #2FB883
split-complementary
#3F2FB8 #B8832F #64B82F
monochromatic
#1E1657 #2E2387 #3F2FB8 #6152D3 #8D82DF
Accessibility & contrast
On white
9.09
#3F2FB8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.31
#3F2FB8 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F2FB8
9.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F2FB8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F2FB8 | 1.00 | 9.09 | 2.31 | 9.09 |
| #FFFFFF | 9.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EBC
Deuteranopia (green-blind)
#0043B6
Tritanopia (blue-blind)
#005671
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #3f2fb8; /* rgb */ color: rgb(63, 47, 184); /* oklch */ color: oklch(42.4% 0.203 278.5);
Tailwind
colors: {
custom: {
50: '#846acf',
500: '#3f2fb8',
950: '#000000',
},
}SCSS
$custom: #3f2fb8; $custom-light: #846acf; $custom-dark: #000000;
JSON
{
"hex": "#3f2fb8",
"rgb": {
"r": 63,
"g": 47,
"b": 184
},
"hsl": {
"h": 247.007,
"s": 59.307,
"l": 45.294
},
"oklch": {
"l": 0.42369,
"c": 0.20276,
"h": 278.5
},
"luminance": 0.0655
}Semantic roles & 50–950 ramp
primary
#3F2FB8
secondary
#BFC87B
accent
#E245D0
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0714
muted
#7D7A82