#5F66EC#5F66EC
#5F66EC is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.9% C 0.198 H 276.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #5F66EC |
|---|---|
| RGB | rgb(95, 102, 236) |
| HSL | hsl(237, 79%, 65%) |
| HSV | hsv(237, 60%, 93%) |
| CMYK | cmyk(59.7%, 56.8%, 0%, 7.5%) |
| CIE-LAB | lab(49.48, 36.41, -68.70) |
| CIE-LCH | lch(49.48, 77.75, 297.92°) |
| OKLab | oklab(57.9% 0.0208 -0.1973) |
| OKLCH | oklch(57.9% 0.198 276) |
| XYZ | xyz(24.6061, 17.9899, 81.5163) |
| Luminance | 0.1799 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 4.59
Mediumslateblue
#7B68EE
ΔE00 4.62
Royal Blue
#4169E1
ΔE00 5.03
Cornflower Blue
#5170D7
ΔE00 5.52
Warm Blue
#4B57DB
ΔE00 5.89
Slate Blue
#6A5ACD
ΔE00 6.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5F66EC #ECE55F
analogous
#5FADEC #5F66EC #9E5FEC
triadic
#5F66EC #EC5F66 #66EC5F
tetradic
#5F66EC #EC5FAD #ECE55F #5FEC9E
square
#5F66EC #EC5FAD #ECE55F #5FEC9E
split-complementary
#5F66EC #EC9E5F #ADEC5F
monochromatic
#161EBA #2832E6 #5F66EC #969AF2 #CCCFF9
Accessibility & contrast
On white
4.57
#5F66EC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.60
#5F66EC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5F66EC
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5F66EC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5F66EC | 1.00 | 4.57 | 4.60 | 4.60 |
| #FFFFFF | 4.57 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.60 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.60 | 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: #5f66ec; /* rgb */ color: rgb(95, 102, 236); /* oklch */ color: oklch(57.9% 0.198 276.0);
Tailwind
colors: {
custom: {
50: '#9991f3',
500: '#5f66ec',
950: '#000000',
},
}SCSS
$custom: #5f66ec; $custom-light: #9991f3; $custom-dark: #000000;
JSON
{
"hex": "#5f66ec",
"rgb": {
"r": 95,
"g": 102,
"b": 236
},
"hsl": {
"h": 237.021,
"s": 78.771,
"l": 64.902
},
"oklch": {
"l": 0.57902,
"c": 0.19843,
"h": 276
},
"luminance": 0.17992
}Semantic roles & 50–950 ramp
primary
#5F66EC
secondary
#EBE9BB
accent
#D10ADB
background
#FAF8FF
surface
#F3F0FE
border
#CDCBD6
text
#0F0D17
muted
#7F7D85