#6660F5#6660F5
#6660F5 is a mid, highly saturated blue. Relative luminance 0.178; OKLCH L 58.0% C 0.216 H 279.1°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).
Color values
| HEX | #6660F5 |
|---|---|
| RGB | rgb(102, 96, 245) |
| HSL | hsl(242, 88%, 67%) |
| HSV | hsv(242, 61%, 96%) |
| CMYK | cmyk(58.4%, 60.8%, 0%, 3.9%) |
| CIE-LAB | lab(49.23, 43.99, -74.13) |
| CIE-LCH | lch(49.23, 86.20, 300.68°) |
| OKLab | oklab(58.04% 0.034 -0.2131) |
| OKLCH | oklch(58.04% 0.216 279.1) |
| XYZ | xyz(26.1386, 17.7812, 88.4232) |
| Luminance | 0.1778 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 3.95
Dark Periwinkle
#665FD1
ΔE00 4.89
Light Indigo
#6D5ACF
ΔE00 5.75
Slate Blue
#6A5ACD
ΔE00 5.93
Warm Blue
#4B57DB
ΔE00 6.11
Purpley
#8756E4
ΔE00 6.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6660F5 #EFF560
analogous
#60A5F5 #6660F5 #B160F5
triadic
#6660F5 #F56660 #60F566
tetradic
#6660F5 #F560A5 #EFF560 #60F5B1
square
#6660F5 #F560A5 #EFF560 #60F5B1
split-complementary
#6660F5 #F5B160 #A5F560
monochromatic
#150DCE #2F26F1 #6660F5 #9D9AF9 #D5D3FC
Accessibility & contrast
On white
4.61
#6660F5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.56
#6660F5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #6660F5
4.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6660F5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6660F5 | 1.00 | 4.61 | 4.56 | 4.61 |
| #FFFFFF | 4.61 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.61 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007BFA
Deuteranopia (green-blind)
#006FF2
Tritanopia (blue-blind)
#0085A2
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #6660f5; /* rgb */ color: rgb(102, 96, 245); /* oklch */ color: oklch(58.0% 0.216 279.1);
Tailwind
colors: {
custom: {
50: '#9e8df9',
500: '#6660f5',
950: '#000000',
},
}SCSS
$custom: #6660f5; $custom-light: #9e8df9; $custom-dark: #000000;
JSON
{
"hex": "#6660f5",
"rgb": {
"r": 102,
"g": 96,
"b": 245
},
"hsl": {
"h": 242.416,
"s": 88.166,
"l": 66.863
},
"oklch": {
"l": 0.58042,
"c": 0.21585,
"h": 279.1
},
"luminance": 0.17783
}Semantic roles & 50–950 ramp
primary
#6660F5
secondary
#EEF0C1
accent
#E501DC
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#100C17
muted
#7F7D85