#6665EF#6665EF
#6665EF is a mid, highly saturated blue. Relative luminance 0.184; OKLCH L 58.4% C 0.202 H 278.4°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).
Color values
| HEX | #6665EF |
|---|---|
| RGB | rgb(102, 101, 239) |
| HSL | hsl(240, 81%, 67%) |
| HSV | hsv(240, 58%, 94%) |
| CMYK | cmyk(57.3%, 57.7%, 0%, 6.3%) |
| CIE-LAB | lab(49.93, 39.16, -69.63) |
| CIE-LCH | lch(49.93, 79.89, 299.36°) |
| OKLab | oklab(58.42% 0.0297 -0.1999) |
| OKLCH | oklch(58.42% 0.202 278.4) |
| XYZ | xyz(25.7082, 18.3623, 83.8342) |
| Luminance | 0.1836 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 3.51
Dark Periwinkle
#665FD1
ΔE00 4.65
Light Indigo
#6D5ACF
ΔE00 5.97
Slate Blue
#6A5ACD
ΔE00 6.09
Royal Blue
#4169E1
ΔE00 6.31
Warm Blue
#4B57DB
ΔE00 6.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6665EF #EEEF65
analogous
#65A9EF #6665EF #AB65EF
triadic
#6665EF #EF6665 #65EF66
tetradic
#6665EF #EF65A9 #EEEF65 #65EFAB
square
#6665EF #EF65A9 #EEEF65 #65EFAB
split-complementary
#6665EF #EFAB65 #A9EF65
monochromatic
#1614C5 #2F2EE9 #6665EF #9D9CF5 #D4D4FB
Accessibility & contrast
On white
4.49
#6665EF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.67
#6665EF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6665EF
4.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6665EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6665EF | 1.00 | 4.49 | 4.67 | 4.67 |
| #FFFFFF | 4.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.67 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.67 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007CF4
Deuteranopia (green-blind)
#0071EC
Tritanopia (blue-blind)
#0886A0
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #6665ef; /* rgb */ color: rgb(102, 101, 239); /* oklch */ color: oklch(58.4% 0.202 278.4);
Tailwind
colors: {
custom: {
50: '#9d91f5',
500: '#6665ef',
950: '#000000',
},
}SCSS
$custom: #6665ef; $custom-light: #9d91f5; $custom-dark: #000000;
JSON
{
"hex": "#6665ef",
"rgb": {
"r": 102,
"g": 101,
"b": 239
},
"hsl": {
"h": 240.435,
"s": 81.176,
"l": 66.667
},
"oklch": {
"l": 0.58423,
"c": 0.20209,
"h": 278.4
},
"luminance": 0.18364
}Semantic roles & 50–950 ramp
primary
#6665EF
secondary
#EEEEC2
accent
#DE08DC
background
#FAF8FF
surface
#F4F0FE
border
#CECBD6
text
#0F0C17
muted
#7F7D85