#4663C8#4663C8
#4663C8 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.2% C 0.160 H 268.4°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).
Color values
| HEX | #4663C8 |
|---|---|
| RGB | rgb(70, 99, 200) |
| HSL | hsl(227, 54%, 53%) |
| HSV | hsv(227, 65%, 78%) |
| CMYK | cmyk(65%, 50.5%, 0%, 21.6%) |
| CIE-LAB | lab(44.79, 21.92, -55.89) |
| CIE-LCH | lch(44.79, 60.04, 291.41°) |
| OKLab | oklab(53.21% -0.0044 -0.1603) |
| OKLCH | oklch(53.21% 0.16 268.4) |
| XYZ | xyz(17.4094, 14.3943, 56.4933) |
| Luminance | 0.1440 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 3.78
Azul
#1D5DEC
ΔE00 4.74
Cornflower Blue
#5170D7
ΔE00 4.98
French Blue
#436BAD
ΔE00 5.00
Warm Blue
#4B57DB
ΔE00 5.19
Denim
#1560BD
ΔE00 5.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4663C8 #C8AB46
analogous
#46A4C8 #4663C8 #6A46C8
triadic
#4663C8 #C84663 #63C846
tetradic
#4663C8 #C846A4 #C8AB46 #46C86A
square
#4663C8 #C846A4 #C8AB46 #46C86A
split-complementary
#4663C8 #C86A46 #A4C846
monochromatic
#223472 #3049A1 #4663C8 #758BD6 #A4B3E4
Accessibility & contrast
On white
5.41
#4663C8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.88
#4663C8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4663C8
5.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4663C8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4663C8 | 1.00 | 5.41 | 3.88 | 5.41 |
| #FFFFFF | 5.41 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.88 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.41 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2970CC
Deuteranopia (green-blind)
#0064C6
Tritanopia (blue-blind)
#007B8C
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #4663c8; /* rgb */ color: rgb(70, 99, 200); /* oklch */ color: oklch(53.2% 0.160 268.4);
Tailwind
colors: {
custom: {
50: '#878fd9',
500: '#4663c8',
950: '#000000',
},
}SCSS
$custom: #4663c8; $custom-light: #878fd9; $custom-dark: #000000;
JSON
{
"hex": "#4663c8",
"rgb": {
"r": 70,
"g": 99,
"b": 200
},
"hsl": {
"h": 226.615,
"s": 54.167,
"l": 52.941
},
"oklch": {
"l": 0.53212,
"c": 0.16034,
"h": 268.4
},
"luminance": 0.14396
}Semantic roles & 50–950 ramp
primary
#4663C8
secondary
#D1C499
accent
#BD4ADE
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83