#4B63CA#4B63CA
#4B63CA is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.6% C 0.162 H 270.3°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).
Color values
| HEX | #4B63CA |
|---|---|
| RGB | rgb(75, 99, 202) |
| HSL | hsl(229, 55%, 54%) |
| HSV | hsv(229, 63%, 79%) |
| CMYK | cmyk(62.9%, 51%, 0%, 20.8%) |
| CIE-LAB | lab(45.20, 23.47, -56.38) |
| CIE-LCH | lch(45.20, 61.07, 292.60°) |
| OKLab | oklab(53.63% 0.0007 -0.1616) |
| OKLCH | oklch(53.63% 0.162 270.3) |
| XYZ | xyz(18.0206, 14.6822, 57.7500) |
| Luminance | 0.1468 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 3.73
Warm Blue
#4B57DB
ΔE00 4.70
Cornflower Blue
#5170D7
ΔE00 4.82
Azul
#1D5DEC
ΔE00 4.85
Dark Periwinkle
#665FD1
ΔE00 5.40
French Blue
#436BAD
ΔE00 5.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B63CA #CAB24B
analogous
#4BA3CA #4B63CA #734BCA
triadic
#4B63CA #CA4B63 #63CA4B
tetradic
#4B63CA #CA4BA3 #CAB24B #4BCA73
square
#4B63CA #CA4BA3 #CAB24B #4BCA73
split-complementary
#4B63CA #CA734B #A3CA4B
monochromatic
#233377 #3147A7 #4B63CA #7A8CD8 #AAB5E6
Accessibility & contrast
On white
5.33
#4B63CA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.94
#4B63CA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B63CA
5.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B63CA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B63CA | 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)
#2871CE
Deuteranopia (green-blind)
#0066C8
Tritanopia (blue-blind)
#007B8D
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #4b63ca; /* rgb */ color: rgb(75, 99, 202); /* oklch */ color: oklch(53.6% 0.162 270.3);
Tailwind
colors: {
custom: {
50: '#898fdb',
500: '#4b63ca',
950: '#000000',
},
}SCSS
$custom: #4b63ca; $custom-light: #898fdb; $custom-dark: #000000;
JSON
{
"hex": "#4b63ca",
"rgb": {
"r": 75,
"g": 99,
"b": 202
},
"hsl": {
"h": 228.661,
"s": 54.506,
"l": 54.314
},
"oklch": {
"l": 0.53632,
"c": 0.16161,
"h": 270.3
},
"luminance": 0.14684
}Semantic roles & 50–950 ramp
primary
#4B63CA
secondary
#D3C99D
accent
#C24ADE
background
#F9F8FD
surface
#F1F0FB
border
#CBCBD4
text
#0D0C15
muted
#7E7D83