#5B63CA#5B63CA
#5B63CA is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.6% C 0.157 H 276.5°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #5B63CA |
|---|---|
| RGB | rgb(91, 99, 202) |
| HSL | hsl(236, 51%, 57%) |
| HSV | hsv(236, 55%, 79%) |
| CMYK | cmyk(55%, 51%, 0%, 20.8%) |
| CIE-LAB | lab(46.19, 26.49, -54.73) |
| CIE-LCH | lch(46.19, 60.80, 295.83°) |
| OKLab | oklab(54.64% 0.0179 -0.1564) |
| OKLCH | oklch(54.64% 0.157 276.5) |
| XYZ | xyz(19.4335, 15.4108, 57.8162) |
| Luminance | 0.1541 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 2.88
Iris
#6258C4
ΔE00 4.24
Slate Blue
#6A5ACD
ΔE00 4.50
Warm Blue
#4B57DB
ΔE00 4.58
Light Indigo
#6D5ACF
ΔE00 4.94
Royal Blue
#4169E1
ΔE00 5.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B63CA #CAC25B
analogous
#5B9ACA #5B63CA #8B5BCA
triadic
#5B63CA #CA5B63 #63CA5B
tetradic
#5B63CA #CA5B9A #CAC25B #5BCA8B
square
#5B63CA #CA5B9A #CAC25B #5BCA8B
split-complementary
#5B63CA #CA8B5B #9ACA5B
monochromatic
#2A3081 #3941AF #5B63CA #898FD9 #B8BBE8
Accessibility & contrast
On white
5.14
#5B63CA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.08
#5B63CA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5B63CA
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B63CA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5B63CA | 1.00 | 5.14 | 4.08 | 5.14 |
| #FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D72CE
Deuteranopia (green-blind)
#1B69C8
Tritanopia (blue-blind)
#227A8D
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #5b63ca; /* rgb */ color: rgb(91, 99, 202); /* oklch */ color: oklch(54.6% 0.157 276.5);
Tailwind
colors: {
custom: {
50: '#928fdb',
500: '#5b63ca',
950: '#000000',
},
}SCSS
$custom: #5b63ca; $custom-light: #928fdb; $custom-dark: #000000;
JSON
{
"hex": "#5b63ca",
"rgb": {
"r": 91,
"g": 99,
"b": 202
},
"hsl": {
"h": 235.676,
"s": 51.152,
"l": 57.451
},
"oklch": {
"l": 0.54644,
"c": 0.15738,
"h": 276.5
},
"luminance": 0.15412
}Semantic roles & 50–950 ramp
primary
#5B63CA
secondary
#D7D4AA
accent
#D04DDB
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0E0C15
muted
#7E7D83