#5B63CF#5B63CF
#5B63CF is a mid, vivid blue. Relative luminance 0.157; OKLCH L 55.0% C 0.164 H 276.4°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).
Color values
| HEX | #5B63CF |
|---|---|
| RGB | rgb(91, 99, 207) |
| HSL | hsl(236, 55%, 58%) |
| HSV | hsv(236, 56%, 81%) |
| CMYK | cmyk(56%, 52.2%, 0%, 18.8%) |
| CIE-LAB | lab(46.51, 28.11, -57.08) |
| CIE-LCH | lch(46.51, 63.63, 296.22°) |
| OKLab | oklab(54.99% 0.0182 -0.1633) |
| OKLCH | oklch(54.99% 0.164 276.4) |
| XYZ | xyz(20.0351, 15.6514, 60.9847) |
| Luminance | 0.1565 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 2.65
Warm Blue
#4B57DB
ΔE00 4.28
Iris
#6258C4
ΔE00 4.40
Slate Blue
#6A5ACD
ΔE00 4.42
Light Indigo
#6D5ACF
ΔE00 4.81
Royal Blue
#4169E1
ΔE00 4.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B63CF #CFC75B
analogous
#5B9DCF #5B63CF #8D5BCF
triadic
#5B63CF #CF5B63 #63CF5B
tetradic
#5B63CF #CF5B9D #CFC75B #5BCF8D
square
#5B63CF #CF5B9D #CFC75B #5BCF8D
split-complementary
#5B63CF #CF8D5B #9DCF5B
monochromatic
#282E88 #363FB7 #5B63CF #8A90DD #BABDEB
Accessibility & contrast
On white
5.08
#5B63CF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.13
#5B63CF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5B63CF
5.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B63CF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5B63CF | 1.00 | 5.08 | 4.13 | 5.08 |
| #FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2673D3
Deuteranopia (green-blind)
#0C6ACD
Tritanopia (blue-blind)
#1A7C8F
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #5b63cf; /* rgb */ color: rgb(91, 99, 207); /* oklch */ color: oklch(55.0% 0.164 276.4);
Tailwind
colors: {
custom: {
50: '#938fde',
500: '#5b63cf',
950: '#000000',
},
}SCSS
$custom: #5b63cf; $custom-light: #938fde; $custom-dark: #000000;
JSON
{
"hex": "#5b63cf",
"rgb": {
"r": 91,
"g": 99,
"b": 207
},
"hsl": {
"h": 235.862,
"s": 54.717,
"l": 58.431
},
"oklch": {
"l": 0.5499,
"c": 0.16428,
"h": 276.4
},
"luminance": 0.15653
}Semantic roles & 50–950 ramp
primary
#5B63CF
secondary
#DAD7AC
accent
#D44ADE
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0E0C15
muted
#7E7D83