#3F177D#3F177D
#3F177D is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.157 H 293.9°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).
Color values
| HEX | #3F177D |
|---|---|
| RGB | rgb(63, 23, 125) |
| HSL | hsl(264, 69%, 29%) |
| HSV | hsv(264, 82%, 49%) |
| CMYK | cmyk(49.6%, 81.6%, 0%, 51%) |
| CIE-LAB | lab(20.63, 41.80, -49.93) |
| CIE-LCH | lch(20.63, 65.12, 309.94°) |
| OKLab | oklab(33.49% 0.0634 -0.1433) |
| OKLCH | oklch(33.49% 0.157 293.9) |
| XYZ | xyz(6.0569, 3.1500, 19.6869) |
| Luminance | 0.0315 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo (survey)
#380282
ΔE00 3.17
Indigo
#4B0082
ΔE00 3.38
Royal Purple (survey)
#4B006E
ΔE00 4.90
Midnight Blue
#191970
ΔE00 5.97
Royal
#0C1793
ΔE00 6.43
Darkblue
#00008B
ΔE00 7.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F177D #557D17
analogous
#17227D #3F177D #72177D
triadic
#3F177D #7D3F17 #177D3F
tetradic
#3F177D #7D1722 #557D17 #177D72
square
#3F177D #7D1722 #557D17 #177D72
split-complementary
#3F177D #7D7217 #227D17
monochromatic
#0D051A #250D49 #3F177D #5921B1 #7535DA
Accessibility & contrast
On white
12.88
#3F177D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.63
#3F177D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F177D
12.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F177D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F177D | 1.00 | 12.88 | 1.63 | 12.88 |
| #FFFFFF | 12.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003380
Deuteranopia (green-blind)
#00307B
Tritanopia (blue-blind)
#2C344A
Achromatopsia (no color)
#323232
Design tokens & code
CSS
--color: #3f177d; /* rgb */ color: rgb(63, 23, 125); /* oklch */ color: oklch(33.5% 0.157 293.9);
Tailwind
colors: {
custom: {
50: '#7b5aa4',
500: '#3f177d',
950: '#000000',
},
}SCSS
$custom: #3f177d; $custom-light: #7b5aa4; $custom-dark: #000000;
JSON
{
"hex": "#3f177d",
"rgb": {
"r": 63,
"g": 23,
"b": 125
},
"hsl": {
"h": 263.529,
"s": 68.919,
"l": 29.02
},
"oklch": {
"l": 0.33488,
"c": 0.15666,
"h": 293.9
},
"luminance": 0.0315
}Semantic roles & 50–950 ramp
primary
#3F177D
secondary
#84B23E
accent
#EC3CA7
background
#F7F5FA
surface
#EEE9F4
border
#C9C5CE
text
#0A040F
muted
#7C797F