#661EB1#661EB1
#661EB1 is a dark, highly saturated violet. Relative luminance 0.069; OKLCH L 43.7% C 0.209 H 299.2°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).
Color values
| HEX | #661EB1 |
|---|---|
| RGB | rgb(102, 30, 177) |
| HSL | hsl(269, 71%, 41%) |
| HSV | hsv(269, 83%, 69%) |
| CMYK | cmyk(42.4%, 83.1%, 0%, 30.6%) |
| CIE-LAB | lab(31.64, 57.94, -63.67) |
| CIE-LCH | lch(31.64, 86.08, 312.30°) |
| OKLab | oklab(43.75% 0.1021 -0.1823) |
| OKLCH | oklch(43.75% 0.209 299.2) |
| XYZ | xyz(13.8775, 6.9275, 42.1924) |
| Luminance | 0.0693 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Purple Blue
#5D21D0
ΔE00 4.50
Violet Blue
#510AC9
ΔE00 4.67
Rebeccapurple
#663399
ΔE00 5.21
Purple (survey)
#7E1E9C
ΔE00 6.18
Indigo Blue
#3A18B1
ΔE00 6.30
Blue Violet
#5D06E9
ΔE00 6.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#661EB1 #69B11E
analogous
#1E1FB1 #661EB1 #AF1EB1
triadic
#661EB1 #B1661E #1EB166
tetradic
#661EB1 #B11E1F #69B11E #1EB1AF
square
#661EB1 #B11E1F #69B11E #1EB1AF
split-complementary
#661EB1 #B1AF1E #1FB11E
monochromatic
#2A0C48 #48157D #661EB1 #8430DC #A365E5
Accessibility & contrast
On white
8.80
#661EB1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.39
#661EB1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #661EB1
8.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##661EB1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##661EB1 | 1.00 | 8.80 | 2.39 | 8.80 |
| #FFFFFF | 8.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004AB5
Deuteranopia (green-blind)
#0049AE
Tritanopia (blue-blind)
#53496A
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #661eb1; /* rgb */ color: rgb(102, 30, 177); /* oklch */ color: oklch(43.7% 0.209 299.2);
Tailwind
colors: {
custom: {
50: '#9965c9',
500: '#661eb1',
950: '#000000',
},
}SCSS
$custom: #661eb1; $custom-light: #9965c9; $custom-dark: #000000;
JSON
{
"hex": "#661eb1",
"rgb": {
"r": 102,
"g": 30,
"b": 177
},
"hsl": {
"h": 269.388,
"s": 71.014,
"l": 40.588
},
"oklch": {
"l": 0.43745,
"c": 0.20888,
"h": 299.2
},
"luminance": 0.06928
}Semantic roles & 50–950 ramp
primary
#661EB1
secondary
#96CA61
accent
#EE3A96
background
#FAF6FC
surface
#F3EBF8
border
#CDC6D1
text
#0F0613
muted
#7F7A82