#5C66EC#5C66EC
#5C66EC is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.7% C 0.199 H 275.0°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #5C66EC |
|---|---|
| RGB | rgb(92, 102, 236) |
| HSL | hsl(236, 79%, 64%) |
| HSV | hsv(236, 61%, 93%) |
| CMYK | cmyk(61%, 56.8%, 0%, 7.5%) |
| CIE-LAB | lab(49.29, 35.91, -69.02) |
| CIE-LCH | lch(49.29, 77.80, 297.49°) |
| OKLab | oklab(57.71% 0.0175 -0.1983) |
| OKLCH | oklch(57.71% 0.199 275) |
| XYZ | xyz(24.3004, 17.8322, 81.5020) |
| Luminance | 0.1783 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 4.61
Dark Periwinkle
#665FD1
ΔE00 4.72
Mediumslateblue
#7B68EE
ΔE00 5.06
Cornflower Blue
#5170D7
ΔE00 5.24
Warm Blue
#4B57DB
ΔE00 5.72
Bright Blue
#0165FC
ΔE00 5.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5C66EC #ECE25C
analogous
#5CAEEC #5C66EC #9A5CEC
triadic
#5C66EC #EC5C66 #66EC5C
tetradic
#5C66EC #EC5CAE #ECE25C #5CEC9A
square
#5C66EC #EC5CAE #ECE25C #5CEC9A
split-complementary
#5C66EC #EC9A5C #AEEC5C
monochromatic
#1521B8 #2533E6 #5C66EC #9399F2 #CACDF9
Accessibility & contrast
On white
4.60
#5C66EC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.57
#5C66EC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #5C66EC
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5C66EC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5C66EC | 1.00 | 4.60 | 4.57 | 4.60 |
| #FFFFFF | 4.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007CF1
Deuteranopia (green-blind)
#006FE9
Tritanopia (blue-blind)
#00869F
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #5c66ec; /* rgb */ color: rgb(92, 102, 236); /* oklch */ color: oklch(57.7% 0.199 275.0);
Tailwind
colors: {
custom: {
50: '#9791f3',
500: '#5c66ec',
950: '#000000',
},
}SCSS
$custom: #5c66ec; $custom-light: #9791f3; $custom-dark: #000000;
JSON
{
"hex": "#5c66ec",
"rgb": {
"r": 92,
"g": 102,
"b": 236
},
"hsl": {
"h": 235.833,
"s": 79.121,
"l": 64.314
},
"oklch": {
"l": 0.57709,
"c": 0.19912,
"h": 275
},
"luminance": 0.17834
}Semantic roles & 50–950 ramp
primary
#5C66EC
secondary
#EBE7B9
accent
#CD0ADB
background
#FAF8FF
surface
#F3F0FE
border
#CDCBD6
text
#0F0C17
muted
#7F7D85