#6660F9#6660F9
#6660F9 is a mid, highly saturated blue. Relative luminance 0.180; OKLCH L 58.4% C 0.221 H 278.8°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).
Color values
| HEX | #6660F9 |
|---|---|
| RGB | rgb(102, 96, 249) |
| HSL | hsl(242, 93%, 68%) |
| HSV | hsv(242, 61%, 98%) |
| CMYK | cmyk(59%, 61.4%, 0%, 2.4%) |
| CIE-LAB | lab(49.53, 45.23, -75.87) |
| CIE-LCH | lch(49.53, 88.33, 300.80°) |
| OKLab | oklab(58.36% 0.0338 -0.2183) |
| OKLCH | oklch(58.36% 0.221 278.8) |
| XYZ | xyz(26.7558, 18.0281, 91.6740) |
| Luminance | 0.1803 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 3.96
Dark Periwinkle
#665FD1
ΔE00 5.40
Light Indigo
#6D5ACF
ΔE00 6.21
Slate Blue
#6A5ACD
ΔE00 6.40
Warm Blue
#4B57DB
ΔE00 6.49
Purpley
#8756E4
ΔE00 6.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6660F9 #F3F960
analogous
#60A6F9 #6660F9 #B260F9
triadic
#6660F9 #F96660 #60F966
tetradic
#6660F9 #F960A6 #F3F960 #60F9B2
square
#6660F9 #F960A6 #F3F960 #60F9B2
split-complementary
#6660F9 #F9B260 #A6F960
monochromatic
#1008D7 #2D25F7 #6660F9 #9F9BFB #D7D6FD
Accessibility & contrast
On white
4.56
#6660F9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.61
#6660F9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6660F9
4.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6660F9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6660F9 | 1.00 | 4.56 | 4.61 | 4.61 |
| #FFFFFF | 4.56 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.61 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.61 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007CFE
Deuteranopia (green-blind)
#0070F6
Tritanopia (blue-blind)
#0086A4
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #6660f9; /* rgb */ color: rgb(102, 96, 249); /* oklch */ color: oklch(58.4% 0.221 278.8);
Tailwind
colors: {
custom: {
50: '#9f8efc',
500: '#6660f9',
950: '#000000',
},
}SCSS
$custom: #6660f9; $custom-light: #9f8efc; $custom-dark: #000000;
JSON
{
"hex": "#6660f9",
"rgb": {
"r": 102,
"g": 96,
"b": 249
},
"hsl": {
"h": 242.353,
"s": 92.727,
"l": 67.647
},
"oklch": {
"l": 0.58356,
"c": 0.22087,
"h": 278.8
},
"luminance": 0.1803
}Semantic roles & 50–950 ramp
primary
#6660F9
secondary
#F0F2C3
accent
#E600DC
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#100C18
muted
#7F7D86