#4B63D1#4B63D1
#4B63D1 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.1% C 0.171 H 270.4°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).
Color values
| HEX | #4B63D1 |
|---|---|
| RGB | rgb(75, 99, 209) |
| HSL | hsl(229, 59%, 56%) |
| HSV | hsv(229, 64%, 82%) |
| CMYK | cmyk(64.1%, 52.6%, 0%, 18%) |
| CIE-LAB | lab(45.66, 25.89, -59.65) |
| CIE-LCH | lch(45.66, 65.02, 293.46°) |
| OKLab | oklab(54.13% 0.0013 -0.1712) |
| OKLCH | oklch(54.13% 0.171 270.4) |
| XYZ | xyz(18.8682, 15.0213, 62.2143) |
| Luminance | 0.1502 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 3.16
Warm Blue
#4B57DB
ΔE00 4.23
Azul
#1D5DEC
ΔE00 4.27
Cornflower Blue
#5170D7
ΔE00 4.56
Dark Periwinkle
#665FD1
ΔE00 5.07
Bright Blue
#0165FC
ΔE00 5.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B63D1 #D1B94B
analogous
#4BA6D1 #4B63D1 #764BD1
triadic
#4B63D1 #D14B63 #63D14B
tetradic
#4B63D1 #D14BA6 #D1B94B #4BD176
square
#4B63D1 #D14BA6 #D1B94B #4BD176
split-complementary
#4B63D1 #D1764B #A6D14B
monochromatic
#213281 #2D45B1 #4B63D1 #7C8DDD #ACB7EA
Accessibility & contrast
On white
5.24
#4B63D1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.00
#4B63D1 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B63D1
5.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B63D1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B63D1 | 1.00 | 5.24 | 4.00 | 5.24 |
| #FFFFFF | 5.24 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.24 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1C72D5
Deuteranopia (green-blind)
#0066CF
Tritanopia (blue-blind)
#007D90
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #4b63d1; /* rgb */ color: rgb(75, 99, 209); /* oklch */ color: oklch(54.1% 0.171 270.4);
Tailwind
colors: {
custom: {
50: '#8b8fe0',
500: '#4b63d1',
950: '#000000',
},
}SCSS
$custom: #4b63d1; $custom-light: #8b8fe0; $custom-dark: #000000;
JSON
{
"hex": "#4b63d1",
"rgb": {
"r": 75,
"g": 99,
"b": 209
},
"hsl": {
"h": 229.254,
"s": 59.292,
"l": 55.686
},
"oklch": {
"l": 0.54134,
"c": 0.17122,
"h": 270.4
},
"luminance": 0.15023
}Semantic roles & 50–950 ramp
primary
#4B63D1
secondary
#D8CEA0
accent
#C645E2
background
#F9F8FD
surface
#F1F0FB
border
#CBCBD4
text
#0D0C15
muted
#7E7D83