#4B63C3#4B63C3
#4B63C3 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.152 H 270.0°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).
Color values
| HEX | #4B63C3 |
|---|---|
| RGB | rgb(75, 99, 195) |
| HSL | hsl(228, 50%, 53%) |
| HSV | hsv(228, 62%, 76%) |
| CMYK | cmyk(61.5%, 49.2%, 0%, 23.5%) |
| CIE-LAB | lab(44.74, 21.05, -53.08) |
| CIE-LCH | lch(44.74, 57.10, 291.63°) |
| OKLab | oklab(53.14% 0 -0.1519) |
| OKLCH | oklch(53.14% 0.152 270) |
| XYZ | xyz(17.2105, 14.3582, 53.4836) |
| Luminance | 0.1436 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 4.44
French Blue
#436BAD
ΔE00 5.06
Cornflower Blue
#5170D7
ΔE00 5.23
Warm Blue
#4B57DB
ΔE00 5.31
Azul
#1D5DEC
ΔE00 5.54
Dark Periwinkle
#665FD1
ΔE00 5.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B63C3 #C3AB4B
analogous
#4B9FC3 #4B63C3 #6F4BC3
triadic
#4B63C3 #C34B63 #63C34B
tetradic
#4B63C3 #C34B9F #C3AB4B #4BC36F
square
#4B63C3 #C34B9F #C3AB4B #4BC36F
split-complementary
#4B63C3 #C36F4B #9FC34B
monochromatic
#25346F #34499D #4B63C3 #798BD2 #A7B3E2
Accessibility & contrast
On white
5.42
#4B63C3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.87
#4B63C3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B63C3
5.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B63C3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B63C3 | 1.00 | 5.42 | 3.87 | 5.42 |
| #FFFFFF | 5.42 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.87 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.42 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#316FC6
Deuteranopia (green-blind)
#1765C1
Tritanopia (blue-blind)
#00798A
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #4b63c3; /* rgb */ color: rgb(75, 99, 195); /* oklch */ color: oklch(53.1% 0.152 270.0);
Tailwind
colors: {
custom: {
50: '#888fd6',
500: '#4b63c3',
950: '#000000',
},
}SCSS
$custom: #4b63c3; $custom-light: #888fd6; $custom-dark: #000000;
JSON
{
"hex": "#4b63c3",
"rgb": {
"r": 75,
"g": 99,
"b": 195
},
"hsl": {
"h": 228,
"s": 50,
"l": 52.941
},
"oklch": {
"l": 0.53143,
"c": 0.15188,
"h": 270
},
"luminance": 0.1436
}Semantic roles & 50–950 ramp
primary
#4B63C3
secondary
#CFC49B
accent
#BE4EDA
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0C0C14
muted
#7D7D83