#6166EC#6166EC
#6166EC is a mid, vivid blue. Relative luminance 0.181; OKLCH L 58.0% C 0.198 H 276.7°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #6166EC |
|---|---|
| RGB | rgb(97, 102, 236) |
| HSL | hsl(238, 79%, 65%) |
| HSV | hsv(238, 59%, 93%) |
| CMYK | cmyk(58.9%, 56.8%, 0%, 7.5%) |
| CIE-LAB | lab(49.62, 36.75, -68.48) |
| CIE-LCH | lch(49.62, 77.72, 298.22°) |
| OKLab | oklab(58.03% 0.023 -0.1966) |
| OKLCH | oklch(58.03% 0.198 276.7) |
| XYZ | xyz(24.8166, 18.0984, 81.5262) |
| Luminance | 0.1810 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 4.32
Dark Periwinkle
#665FD1
ΔE00 4.53
Royal Blue
#4169E1
ΔE00 5.32
Cornflower Blue
#5170D7
ΔE00 5.73
Warm Blue
#4B57DB
ΔE00 6.03
Light Indigo
#6D5ACF
ΔE00 6.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6166EC #ECE761
analogous
#61ABEC #6166EC #A261EC
triadic
#6166EC #EC6166 #66EC61
tetradic
#6166EC #EC61AB #ECE761 #61ECA2
square
#6166EC #EC61AB #ECE761 #61ECA2
split-complementary
#6166EC #ECA261 #ABEC61
monochromatic
#171DBC #2A31E5 #6166EC #989BF3 #CED0F9
Accessibility & contrast
On white
4.55
#6166EC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.62
#6166EC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6166EC
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6166EC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6166EC | 1.00 | 4.55 | 4.62 | 4.62 |
| #FFFFFF | 4.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007CF1
Deuteranopia (green-blind)
#0070E9
Tritanopia (blue-blind)
#00869F
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #6166ec; /* rgb */ color: rgb(97, 102, 236); /* oklch */ color: oklch(58.0% 0.198 276.7);
Tailwind
colors: {
custom: {
50: '#9a91f3',
500: '#6166ec',
950: '#000000',
},
}SCSS
$custom: #6166ec; $custom-light: #9a91f3; $custom-dark: #000000;
JSON
{
"hex": "#6166ec",
"rgb": {
"r": 97,
"g": 102,
"b": 236
},
"hsl": {
"h": 237.842,
"s": 78.531,
"l": 65.294
},
"oklch": {
"l": 0.58033,
"c": 0.19798,
"h": 276.7
},
"luminance": 0.181
}Semantic roles & 50–950 ramp
primary
#6166EC
secondary
#ECEABD
accent
#D30BDB
background
#FAF8FE
surface
#F4F0FD
border
#CECBD5
text
#0F0D17
muted
#7F7D85