#4663DC#4663DC
#4663DC is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.7% C 0.187 H 269.1°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).
Color values
| HEX | #4663DC |
|---|---|
| RGB | rgb(70, 99, 220) |
| HSL | hsl(228, 68%, 57%) |
| HSV | hsv(228, 68%, 86%) |
| CMYK | cmyk(68.2%, 55%, 0%, 13.7%) |
| CIE-LAB | lab(46.17, 28.95, -65.12) |
| CIE-LCH | lch(46.17, 71.26, 293.97°) |
| OKLab | oklab(54.68% -0.0028 -0.1874) |
| OKLCH | oklch(54.68% 0.187 269.1) |
| XYZ | xyz(19.9015, 15.3911, 69.6182) |
| Luminance | 0.1539 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 2.35
Azul
#1D5DEC
ΔE00 3.26
Warm Blue
#4B57DB
ΔE00 4.15
Bright Blue
#0165FC
ΔE00 4.36
Cornflower Blue
#5170D7
ΔE00 4.44
Dark Periwinkle
#665FD1
ΔE00 5.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4663DC #DCBF46
analogous
#46AEDC #4663DC #7446DC
triadic
#4663DC #DC4663 #63DC46
tetradic
#4663DC #DC46AE #DCBF46 #46DC74
square
#4663DC #DC46AE #DCBF46 #46DC74
split-complementary
#4663DC #DC7446 #AEDC46
monochromatic
#1B318D #2443C0 #4663DC #798EE6 #ADBAEF
Accessibility & contrast
On white
5.15
#4663DC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.08
#4663DC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4663DC
5.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4663DC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4663DC | 1.00 | 5.15 | 4.08 | 5.15 |
| #FFFFFF | 5.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0074E0
Deuteranopia (green-blind)
#0067DA
Tritanopia (blue-blind)
#008096
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #4663dc; /* rgb */ color: rgb(70, 99, 220); /* oklch */ color: oklch(54.7% 0.187 269.1);
Tailwind
colors: {
custom: {
50: '#8b8fe8',
500: '#4663dc',
950: '#000000',
},
}SCSS
$custom: #4663dc; $custom-light: #8b8fe8; $custom-dark: #000000;
JSON
{
"hex": "#4663dc",
"rgb": {
"r": 70,
"g": 99,
"b": 220
},
"hsl": {
"h": 228.4,
"s": 68.182,
"l": 56.863
},
"oklch": {
"l": 0.54683,
"c": 0.18744,
"h": 269.1
},
"luminance": 0.15393
}Semantic roles & 50–950 ramp
primary
#4663DC
secondary
#DDD2A0
accent
#C93DEB
background
#F9F8FE
surface
#F1F0FD
border
#CBCBD5
text
#0D0C16
muted
#7E7D84