#6661EA#6661EA
#6661EA is a mid, highly saturated blue. Relative luminance 0.173; OKLCH L 57.4% C 0.201 H 279.6°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).
Color values
| HEX | #6661EA |
|---|---|
| RGB | rgb(102, 97, 234) |
| HSL | hsl(242, 77%, 65%) |
| HSV | hsv(242, 59%, 92%) |
| CMYK | cmyk(56.4%, 58.5%, 0%, 8.2%) |
| CIE-LAB | lab(48.65, 39.97, -68.90) |
| CIE-LCH | lch(48.65, 79.66, 300.12°) |
| OKLab | oklab(57.37% 0.0335 -0.1978) |
| OKLCH | oklch(57.37% 0.201 279.6) |
| XYZ | xyz(24.6008, 17.3130, 79.8714) |
| Luminance | 0.1731 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 3.55
Mediumslateblue
#7B68EE
ΔE00 4.04
Light Indigo
#6D5ACF
ΔE00 4.67
Slate Blue
#6A5ACD
ΔE00 4.79
Warm Blue
#4B57DB
ΔE00 5.35
Iris
#6258C4
ΔE00 6.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6661EA #E5EA61
analogous
#61A0EA #6661EA #AB61EA
triadic
#6661EA #EA6661 #61EA66
tetradic
#6661EA #EA61A0 #E5EA61 #61EAAB
square
#6661EA #EA61A0 #E5EA61 #61EAAB
split-complementary
#6661EA #EAAB61 #A0EA61
monochromatic
#1E18B8 #322BE3 #6661EA #9A97F1 #CFCDF8
Accessibility & contrast
On white
4.71
#6661EA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.46
#6661EA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #6661EA
4.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6661EA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6661EA | 1.00 | 4.71 | 4.46 | 4.71 |
| #FFFFFF | 4.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.46 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0079EF
Deuteranopia (green-blind)
#006EE7
Tritanopia (blue-blind)
#1A829C
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #6661ea; /* rgb */ color: rgb(102, 97, 234); /* oklch */ color: oklch(57.4% 0.201 279.6);
Tailwind
colors: {
custom: {
50: '#9d8ef2',
500: '#6661ea',
950: '#000000',
},
}SCSS
$custom: #6661ea; $custom-light: #9d8ef2; $custom-dark: #000000;
JSON
{
"hex": "#6661ea",
"rgb": {
"r": 102,
"g": 97,
"b": 234
},
"hsl": {
"h": 242.19,
"s": 76.536,
"l": 64.902
},
"oklch": {
"l": 0.57365,
"c": 0.20061,
"h": 279.6
},
"luminance": 0.17315
}Semantic roles & 50–950 ramp
primary
#6661EA
secondary
#E9EBBC
accent
#D90DD1
background
#FAF8FE
surface
#F4F0FD
border
#CECBD5
text
#0F0C17
muted
#7F7D85