#3F16B4#3F16B4
#3F16B4 is a dark, highly saturated violet. Relative luminance 0.049; OKLCH L 39.3% C 0.218 H 281.5°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).
Color values
| HEX | #3F16B4 |
|---|---|
| RGB | rgb(63, 22, 180) |
| HSL | hsl(256, 78%, 40%) |
| HSV | hsv(256, 88%, 71%) |
| CMYK | cmyk(65%, 87.8%, 0%, 29.4%) |
| CIE-LAB | lab(26.52, 57.19, -74.06) |
| CIE-LCH | lch(26.52, 93.57, 307.67°) |
| OKLab | oklab(39.3% 0.0434 -0.2136) |
| OKLCH | oklch(39.3% 0.218 281.5) |
| XYZ | xyz(10.5724, 4.9251, 43.5647) |
| Luminance | 0.0493 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 0.72
Violet Blue
#510AC9
ΔE00 3.47
Ultramarine
#2000B1
ΔE00 3.66
True Blue
#010FCC
ΔE00 3.91
Mediumblue
#0000CD
ΔE00 4.15
Ultramarine Blue
#1805DB
ΔE00 4.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F16B4 #8BB416
analogous
#163CB4 #3F16B4 #8E16B4
triadic
#3F16B4 #B43F16 #16B43F
tetradic
#3F16B4 #B4163C #8BB416 #16B48E
square
#3F16B4 #B4163C #8BB416 #16B48E
split-complementary
#3F16B4 #B48E16 #3CB416
monochromatic
#190947 #2C0F7D #3F16B4 #5523E4 #7F5AEB
Accessibility & contrast
On white
10.58
#3F16B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#3F16B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F16B4
10.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F16B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F16B4 | 1.00 | 10.58 | 1.99 | 10.58 |
| #FFFFFF | 10.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0044B8
Deuteranopia (green-blind)
#0039B1
Tritanopia (blue-blind)
#004B6A
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #3f16b4; /* rgb */ color: rgb(63, 22, 180); /* oklch */ color: oklch(39.3% 0.218 281.5);
Tailwind
colors: {
custom: {
50: '#855dcc',
500: '#3f16b4',
950: '#000000',
},
}SCSS
$custom: #3f16b4; $custom-light: #855dcc; $custom-dark: #000000;
JSON
{
"hex": "#3f16b4",
"rgb": {
"r": 63,
"g": 22,
"b": 180
},
"hsl": {
"h": 255.57,
"s": 78.218,
"l": 39.608
},
"oklch": {
"l": 0.39303,
"c": 0.21801,
"h": 281.5
},
"luminance": 0.04926
}Semantic roles & 50–950 ramp
primary
#3F16B4
secondary
#AFCE58
accent
#F533C2
background
#F8F5FC
surface
#F0E9F9
border
#CBC5D2
text
#0D0514
muted
#7D7982