#4663CE#4663CE
#4663CE is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.6% C 0.169 H 268.7°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).
Color values
| HEX | #4663CE |
|---|---|
| RGB | rgb(70, 99, 206) |
| HSL | hsl(227, 58%, 54%) |
| HSV | hsv(227, 66%, 81%) |
| CMYK | cmyk(66%, 51.9%, 0%, 19.2%) |
| CIE-LAB | lab(45.19, 24.03, -58.70) |
| CIE-LCH | lch(45.19, 63.43, 292.26°) |
| OKLab | oklab(53.64% -0.0038 -0.1685) |
| OKLCH | oklch(53.64% 0.169 268.7) |
| XYZ | xyz(18.1244, 14.6803, 60.2590) |
| Luminance | 0.1468 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 3.19
Azul
#1D5DEC
ΔE00 4.17
Cornflower Blue
#5170D7
ΔE00 4.68
Warm Blue
#4B57DB
ΔE00 4.72
French Blue
#436BAD
ΔE00 5.56
Bright Blue
#0165FC
ΔE00 5.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4663CE #CEB146
analogous
#46A7CE #4663CE #6D46CE
triadic
#4663CE #CE4663 #63CE46
tetradic
#4663CE #CE46A7 #CEB146 #46CE6D
square
#4663CE #CE46A7 #CEB146 #46CE6D
split-complementary
#4663CE #CE6D46 #A7CE46
monochromatic
#203379 #2D48AA #4663CE #768CDB #A7B5E8
Accessibility & contrast
On white
5.33
#4663CE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.94
#4663CE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4663CE
5.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4663CE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4663CE | 1.00 | 5.33 | 3.94 | 5.33 |
| #FFFFFF | 5.33 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.33 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2071D2
Deuteranopia (green-blind)
#0065CC
Tritanopia (blue-blind)
#007C8F
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #4663ce; /* rgb */ color: rgb(70, 99, 206); /* oklch */ color: oklch(53.6% 0.169 268.7);
Tailwind
colors: {
custom: {
50: '#888fde',
500: '#4663ce',
950: '#000000',
},
}SCSS
$custom: #4663ce; $custom-light: #888fde; $custom-dark: #000000;
JSON
{
"hex": "#4663ce",
"rgb": {
"r": 70,
"g": 99,
"b": 206
},
"hsl": {
"h": 227.206,
"s": 58.12,
"l": 54.118
},
"oklch": {
"l": 0.53643,
"c": 0.16857,
"h": 268.7
},
"luminance": 0.14682
}Semantic roles & 50–950 ramp
primary
#4663CE
secondary
#D5C89B
accent
#C046E1
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0D0C15
muted
#7D7D83