#4F63DC#4F63DC
#4F63DC is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.2% C 0.185 H 271.9°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).
Color values
| HEX | #4F63DC |
|---|---|
| RGB | rgb(79, 99, 220) |
| HSL | hsl(231, 67%, 59%) |
| HSV | hsv(231, 64%, 86%) |
| CMYK | cmyk(64.1%, 55%, 0%, 13.7%) |
| CIE-LAB | lab(46.65, 30.31, -64.32) |
| CIE-LCH | lch(46.65, 71.10, 295.23°) |
| OKLab | oklab(55.17% 0.006 -0.1849) |
| OKLCH | oklch(55.17% 0.185 271.9) |
| XYZ | xyz(20.6002, 15.7514, 69.6510) |
| Luminance | 0.1575 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 3.06
Warm Blue
#4B57DB
ΔE00 3.83
Azul
#1D5DEC
ΔE00 4.14
Dark Periwinkle
#665FD1
ΔE00 4.39
Cornflower Blue
#5170D7
ΔE00 4.58
Bright Blue
#0165FC
ΔE00 5.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F63DC #DCC84F
analogous
#4FAADC #4F63DC #814FDC
triadic
#4F63DC #DC4F63 #63DC4F
tetradic
#4F63DC #DC4FAA #DCC84F #4FDC81
square
#4F63DC #DC4FAA #DCC84F #4FDC81
split-complementary
#4F63DC #DC814F #AADC4F
monochromatic
#1D2E93 #273EC6 #4F63DC #8290E6 #B5BDF0
Accessibility & contrast
On white
5.06
#4F63DC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.15
#4F63DC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4F63DC
5.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F63DC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4F63DC | 1.00 | 5.06 | 4.15 | 5.06 |
| #FFFFFF | 5.06 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.15 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.06 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0075E0
Deuteranopia (green-blind)
#0068DA
Tritanopia (blue-blind)
#008096
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #4f63dc; /* rgb */ color: rgb(79, 99, 220); /* oklch */ color: oklch(55.2% 0.185 271.9);
Tailwind
colors: {
custom: {
50: '#8f8fe8',
500: '#4f63dc',
950: '#000000',
},
}SCSS
$custom: #4f63dc; $custom-light: #8f8fe8; $custom-dark: #000000;
JSON
{
"hex": "#4f63dc",
"rgb": {
"r": 79,
"g": 99,
"b": 220
},
"hsl": {
"h": 231.489,
"s": 66.825,
"l": 58.627
},
"oklch": {
"l": 0.55173,
"c": 0.18496,
"h": 271.9
},
"luminance": 0.15753
}Semantic roles & 50–950 ramp
primary
#4F63DC
secondary
#DFD7A8
accent
#D13EEA
background
#F9F8FE
surface
#F2F0FD
border
#CCCBD5
text
#0E0C16
muted
#7E7D84