#6166EF#6166EF
#6166EF is a mid, highly saturated blue. Relative luminance 0.183; OKLCH L 58.3% C 0.202 H 276.6°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).
Color values
| HEX | #6166EF |
|---|---|
| RGB | rgb(97, 102, 239) |
| HSL | hsl(238, 82%, 66%) |
| HSV | hsv(238, 59%, 94%) |
| CMYK | cmyk(59.4%, 57.3%, 0%, 6.3%) |
| CIE-LAB | lab(49.83, 37.71, -69.82) |
| CIE-LCH | lch(49.83, 79.35, 298.38°) |
| OKLab | oklab(58.26% 0.023 -0.2006) |
| OKLCH | oklch(58.26% 0.202 276.6) |
| XYZ | xyz(25.2561, 18.2742, 83.8410) |
| Luminance | 0.1828 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 4.23
Dark Periwinkle
#665FD1
ΔE00 4.85
Royal Blue
#4169E1
ΔE00 5.48
Cornflower Blue
#5170D7
ΔE00 5.92
Cornflower
#6A79F7
ΔE00 6.18
Warm Blue
#4B57DB
ΔE00 6.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6166EF #EFEA61
analogous
#61ADEF #6166EF #A361EF
triadic
#6166EF #EF6166 #66EF61
tetradic
#6166EF #EF61AD #EFEA61 #61EFA3
square
#6166EF #EF61AD #EFEA61 #61EFA3
split-complementary
#6166EF #EFA361 #ADEF61
monochromatic
#141AC2 #2930E9 #6166EF #999CF5 #D0D2FA
Accessibility & contrast
On white
4.51
#6166EF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.66
#6166EF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6166EF
4.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6166EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6166EF | 1.00 | 4.51 | 4.66 | 4.66 |
| #FFFFFF | 4.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.66 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.66 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007DF4
Deuteranopia (green-blind)
#0071EC
Tritanopia (blue-blind)
#0087A1
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #6166ef; /* rgb */ color: rgb(97, 102, 239); /* oklch */ color: oklch(58.3% 0.202 276.6);
Tailwind
colors: {
custom: {
50: '#9a91f5',
500: '#6166ef',
950: '#000000',
},
}SCSS
$custom: #6166ef; $custom-light: #9a91f5; $custom-dark: #000000;
JSON
{
"hex": "#6166ef",
"rgb": {
"r": 97,
"g": 102,
"b": 239
},
"hsl": {
"h": 237.887,
"s": 81.609,
"l": 65.882
},
"oklch": {
"l": 0.58257,
"c": 0.2019,
"h": 276.6
},
"luminance": 0.18276
}Semantic roles & 50–950 ramp
primary
#6166EF
secondary
#EDECBE
accent
#D608DE
background
#FAF8FF
surface
#F4F0FE
border
#CECBD6
text
#0F0D17
muted
#7F7D85