#5B63CD#5B63CD
#5B63CD is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.9% C 0.162 H 276.4°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).
Color values
| HEX | #5B63CD |
|---|---|
| RGB | rgb(91, 99, 205) |
| HSL | hsl(236, 53%, 58%) |
| HSV | hsv(236, 56%, 80%) |
| CMYK | cmyk(55.6%, 51.7%, 0%, 19.6%) |
| CIE-LAB | lab(46.38, 27.46, -56.14) |
| CIE-LCH | lch(46.38, 62.50, 296.07°) |
| OKLab | oklab(54.85% 0.0181 -0.1605) |
| OKLCH | oklch(54.85% 0.162 276.4) |
| XYZ | xyz(19.7921, 15.5542, 59.7051) |
| Luminance | 0.1556 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 2.72
Iris
#6258C4
ΔE00 4.32
Warm Blue
#4B57DB
ΔE00 4.38
Slate Blue
#6A5ACD
ΔE00 4.44
Light Indigo
#6D5ACF
ΔE00 4.85
Royal Blue
#4169E1
ΔE00 5.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B63CD #CDC55B
analogous
#5B9CCD #5B63CD #8C5BCD
triadic
#5B63CD #CD5B63 #63CD5B
tetradic
#5B63CD #CD5B9C #CDC55B #5BCD8C
square
#5B63CD #CD5B9C #CDC55B #5BCD8C
split-complementary
#5B63CD #CD8C5B #9CCD5B
monochromatic
#292F85 #3740B4 #5B63CD #8A90DB #B9BCEA
Accessibility & contrast
On white
5.11
#5B63CD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.11
#5B63CD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5B63CD
5.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B63CD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5B63CD | 1.00 | 5.11 | 4.11 | 5.11 |
| #FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2973D1
Deuteranopia (green-blind)
#1369CB
Tritanopia (blue-blind)
#1D7B8E
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #5b63cd; /* rgb */ color: rgb(91, 99, 205); /* oklch */ color: oklch(54.9% 0.162 276.4);
Tailwind
colors: {
custom: {
50: '#928fdd',
500: '#5b63cd',
950: '#000000',
},
}SCSS
$custom: #5b63cd; $custom-light: #928fdd; $custom-dark: #000000;
JSON
{
"hex": "#5b63cd",
"rgb": {
"r": 91,
"g": 99,
"b": 205
},
"hsl": {
"h": 235.789,
"s": 53.271,
"l": 58.039
},
"oklch": {
"l": 0.54851,
"c": 0.16154,
"h": 276.4
},
"luminance": 0.15556
}Semantic roles & 50–950 ramp
primary
#5B63CD
secondary
#D9D5AB
accent
#D24BDD
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0E0C15
muted
#7E7D83