#6166EE#6166EE
#6166EE is a mid, highly saturated blue. Relative luminance 0.182; OKLCH L 58.2% C 0.201 H 276.6°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).
Color values
| HEX | #6166EE |
|---|---|
| RGB | rgb(97, 102, 238) |
| HSL | hsl(238, 81%, 66%) |
| HSV | hsv(238, 59%, 93%) |
| CMYK | cmyk(59.2%, 57.1%, 0%, 6.7%) |
| CIE-LAB | lab(49.76, 37.39, -69.37) |
| CIE-LCH | lch(49.76, 78.81, 298.32°) |
| OKLab | oklab(58.18% 0.023 -0.1993) |
| OKLCH | oklch(58.18% 0.201 276.6) |
| XYZ | xyz(25.1088, 18.2153, 83.0651) |
| Luminance | 0.1822 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 4.26
Dark Periwinkle
#665FD1
ΔE00 4.74
Royal Blue
#4169E1
ΔE00 5.43
Cornflower Blue
#5170D7
ΔE00 5.85
Warm Blue
#4B57DB
ΔE00 6.17
Cornflower
#6A79F7
ΔE00 6.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6166EE #EEE961
analogous
#61ADEE #6166EE #A261EE
triadic
#6166EE #EE6166 #66EE61
tetradic
#6166EE #EE61AD #EEE961 #61EEA2
square
#6166EE #EE61AD #EEE961 #61EEA2
split-complementary
#6166EE #EEA261 #ADEE61
monochromatic
#151BC0 #2A30E8 #6166EE #989CF4 #D0D1FA
Accessibility & contrast
On white
4.52
#6166EE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.64
#6166EE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6166EE
4.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6166EE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6166EE | 1.00 | 4.52 | 4.64 | 4.64 |
| #FFFFFF | 4.52 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007CF3
Deuteranopia (green-blind)
#0070EB
Tritanopia (blue-blind)
#0087A0
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #6166ee; /* rgb */ color: rgb(97, 102, 238); /* oklch */ color: oklch(58.2% 0.201 276.6);
Tailwind
colors: {
custom: {
50: '#9a91f4',
500: '#6166ee',
950: '#000000',
},
}SCSS
$custom: #6166ee; $custom-light: #9a91f4; $custom-dark: #000000;
JSON
{
"hex": "#6166ee",
"rgb": {
"r": 97,
"g": 102,
"b": 238
},
"hsl": {
"h": 237.872,
"s": 80.571,
"l": 65.686
},
"oklch": {
"l": 0.58182,
"c": 0.2006,
"h": 276.6
},
"luminance": 0.18217
}Semantic roles & 50–950 ramp
primary
#6166EE
secondary
#EDEBBE
accent
#D509DD
background
#FAF8FF
surface
#F4F0FE
border
#CECBD6
text
#0F0D17
muted
#7F7D85