#6566F8#6566F8
#6566F8 is a mid, highly saturated blue. Relative luminance 0.190; OKLCH L 59.2% C 0.213 H 277.4°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #6566F8 |
|---|---|
| RGB | rgb(101, 102, 248) |
| HSL | hsl(240, 91%, 68%) |
| HSV | hsv(240, 59%, 97%) |
| CMYK | cmyk(59.3%, 58.9%, 0%, 2.7%) |
| CIE-LAB | lab(50.74, 41.24, -73.35) |
| CIE-LCH | lch(50.74, 84.15, 299.35°) |
| OKLab | oklab(59.2% 0.0274 -0.2108) |
| OKLCH | oklch(59.2% 0.213 277.4) |
| XYZ | xyz(27.0560, 19.0447, 91.0390) |
| Luminance | 0.1905 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 3.62
Dark Periwinkle
#665FD1
ΔE00 5.86
Cornflower
#6A79F7
ΔE00 5.90
Royal Blue
#4169E1
ΔE00 6.60
Cornflower Blue
#5170D7
ΔE00 6.96
Light Indigo
#6D5ACF
ΔE00 7.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6566F8 #F8F765
analogous
#65AFF8 #6566F8 #AD65F8
triadic
#6566F8 #F86566 #66F865
tetradic
#6566F8 #F865AF #F8F765 #65F8AD
square
#6566F8 #F865AF #F8F765 #65F8AD
split-complementary
#6566F8 #F8AD65 #AFF865
monochromatic
#0A0BD9 #2A2CF5 #6566F8 #A0A0FB #DADAFD
Accessibility & contrast
On white
4.37
#6566F8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.81
#6566F8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6566F8
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6566F8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6566F8 | 1.00 | 4.37 | 4.81 | 4.81 |
| #FFFFFF | 4.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007FFD
Deuteranopia (green-blind)
#0073F5
Tritanopia (blue-blind)
#0089A5
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #6566f8; /* rgb */ color: rgb(101, 102, 248); /* oklch */ color: oklch(59.2% 0.213 277.4);
Tailwind
colors: {
custom: {
50: '#9e92fc',
500: '#6566f8',
950: '#000000',
},
}SCSS
$custom: #6566f8; $custom-light: #9e92fc; $custom-dark: #000000;
JSON
{
"hex": "#6566f8",
"rgb": {
"r": 101,
"g": 102,
"b": 248
},
"hsl": {
"h": 239.592,
"s": 91.304,
"l": 68.431
},
"oklch": {
"l": 0.59204,
"c": 0.21263,
"h": 277.4
},
"luminance": 0.19047
}Semantic roles & 50–950 ramp
primary
#6566F8
secondary
#F3F2C6
accent
#E400E6
background
#FAF9FF
surface
#F4F1FF
border
#CECBD7
text
#100D18
muted
#7F7E86