#6661FC#6661FC
#6661FC is a mid, highly saturated blue. Relative luminance 0.184; OKLCH L 58.8% C 0.223 H 278.4°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #6661FC |
|---|---|
| RGB | rgb(102, 97, 252) |
| HSL | hsl(242, 96%, 68%) |
| HSV | hsv(242, 62%, 99%) |
| CMYK | cmyk(59.5%, 61.5%, 0%, 1.2%) |
| CIE-LAB | lab(49.98, 45.59, -76.81) |
| CIE-LCH | lch(49.98, 89.32, 300.69°) |
| OKLab | oklab(58.76% 0.0328 -0.221) |
| OKLCH | oklch(58.76% 0.223 278.4) |
| XYZ | xyz(27.3193, 18.4004, 94.1886) |
| Luminance | 0.1840 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 3.89
Dark Periwinkle
#665FD1
ΔE00 5.83
Light Indigo
#6D5ACF
ΔE00 6.68
Slate Blue
#6A5ACD
ΔE00 6.89
Warm Blue
#4B57DB
ΔE00 6.92
Purpley
#8756E4
ΔE00 6.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6661FC #F7FC61
analogous
#61AAFC #6661FC #B361FC
triadic
#6661FC #FC6661 #61FC66
tetradic
#6661FC #FC61AA #F7FC61 #61FCB3
square
#6661FC #FC61AA #F7FC61 #61FCB3
split-complementary
#6661FC #FCB361 #AAFC61
monochromatic
#0B04DE #2C25FB #6661FC #A09DFD #DAD9FE
Accessibility & contrast
On white
4.49
#6661FC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.68
#6661FC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6661FC
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6661FC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6661FC | 1.00 | 4.49 | 4.68 | 4.68 |
| #FFFFFF | 4.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007DFF
Deuteranopia (green-blind)
#0071F9
Tritanopia (blue-blind)
#0088A6
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #6661fc; /* rgb */ color: rgb(102, 97, 252); /* oklch */ color: oklch(58.8% 0.223 278.4);
Tailwind
colors: {
custom: {
50: '#9f8efe',
500: '#6661fc',
950: '#000000',
},
}SCSS
$custom: #6661fc; $custom-light: #9f8efe; $custom-dark: #000000;
JSON
{
"hex": "#6661fc",
"rgb": {
"r": 102,
"g": 97,
"b": 252
},
"hsl": {
"h": 241.935,
"s": 96.273,
"l": 68.431
},
"oklch": {
"l": 0.58755,
"c": 0.22343,
"h": 278.4
},
"luminance": 0.18402
}Semantic roles & 50–950 ramp
primary
#6661FC
secondary
#F2F4C5
accent
#E600DE
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#100C18
muted
#7F7D86