#5A66EC#5A66EC
#5A66EC is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.6% C 0.200 H 274.4°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #5A66EC |
|---|---|
| RGB | rgb(90, 102, 236) |
| HSL | hsl(235, 79%, 64%) |
| HSV | hsv(235, 62%, 93%) |
| CMYK | cmyk(61.9%, 56.8%, 0%, 7.5%) |
| CIE-LAB | lab(49.17, 35.59, -69.23) |
| CIE-LCH | lch(49.17, 77.84, 297.21°) |
| OKLab | oklab(57.58% 0.0153 -0.199) |
| OKLCH | oklch(57.58% 0.2 274.4) |
| XYZ | xyz(24.1032, 17.7305, 81.4928) |
| Luminance | 0.1773 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 4.34
Dark Periwinkle
#665FD1
ΔE00 4.82
Cornflower Blue
#5170D7
ΔE00 5.06
Mediumslateblue
#7B68EE
ΔE00 5.35
Warm Blue
#4B57DB
ΔE00 5.62
Bright Blue
#0165FC
ΔE00 5.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5A66EC #ECE05A
analogous
#5AAFEC #5A66EC #975AEC
triadic
#5A66EC #EC5A66 #66EC5A
tetradic
#5A66EC #EC5AAF #ECE05A #5AEC97
square
#5A66EC #EC5AAF #ECE05A #5AEC97
split-complementary
#5A66EC #EC975A #AFEC5A
monochromatic
#1522B7 #2333E6 #5A66EC #9199F2 #C8CCF9
Accessibility & contrast
On white
4.62
#5A66EC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.55
#5A66EC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #5A66EC
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5A66EC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5A66EC | 1.00 | 4.62 | 4.55 | 4.62 |
| #FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007BF1
Deuteranopia (green-blind)
#006FE9
Tritanopia (blue-blind)
#00869F
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #5a66ec; /* rgb */ color: rgb(90, 102, 236); /* oklch */ color: oklch(57.6% 0.200 274.4);
Tailwind
colors: {
custom: {
50: '#9691f3',
500: '#5a66ec',
950: '#000000',
},
}SCSS
$custom: #5a66ec; $custom-light: #9691f3; $custom-dark: #000000;
JSON
{
"hex": "#5a66ec",
"rgb": {
"r": 90,
"g": 102,
"b": 236
},
"hsl": {
"h": 235.068,
"s": 79.348,
"l": 63.922
},
"oklch": {
"l": 0.57584,
"c": 0.1996,
"h": 274.4
},
"luminance": 0.17733
}Semantic roles & 50–950 ramp
primary
#5A66EC
secondary
#EBE6B7
accent
#CA0ADC
background
#FAF8FF
surface
#F3F0FE
border
#CDCBD6
text
#0F0C17
muted
#7F7D85