#4663CF#4663CF
#4663CF is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.7% C 0.170 H 268.7°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).
Color values
| HEX | #4663CF |
|---|---|
| RGB | rgb(70, 99, 207) |
| HSL | hsl(227, 59%, 54%) |
| HSV | hsv(227, 66%, 81%) |
| CMYK | cmyk(66.2%, 52.2%, 0%, 18.8%) |
| CIE-LAB | lab(45.26, 24.38, -59.16) |
| CIE-LCH | lch(45.26, 63.99, 292.40°) |
| OKLab | oklab(53.72% -0.0037 -0.1699) |
| OKLCH | oklch(53.72% 0.17 268.7) |
| XYZ | xyz(18.2463, 14.7291, 60.9008) |
| Luminance | 0.1473 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 3.11
Azul
#1D5DEC
ΔE00 4.08
Cornflower Blue
#5170D7
ΔE00 4.64
Warm Blue
#4B57DB
ΔE00 4.66
Bright Blue
#0165FC
ΔE00 5.51
French Blue
#436BAD
ΔE00 5.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4663CF #CFB246
analogous
#46A8CF #4663CF #6E46CF
triadic
#4663CF #CF4663 #63CF46
tetradic
#4663CF #CF46A8 #CFB246 #46CF6E
square
#4663CF #CF46A8 #CFB246 #46CF6E
split-complementary
#4663CF #CF6E46 #A8CF46
monochromatic
#20337B #2C47AB #4663CF #778CDC #A7B5E8
Accessibility & contrast
On white
5.32
#4663CF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.95
#4663CF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4663CF
5.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4663CF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4663CF | 1.00 | 5.32 | 3.95 | 5.32 |
| #FFFFFF | 5.32 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.32 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1E72D3
Deuteranopia (green-blind)
#0065CD
Tritanopia (blue-blind)
#007D8F
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #4663cf; /* rgb */ color: rgb(70, 99, 207); /* oklch */ color: oklch(53.7% 0.170 268.7);
Tailwind
colors: {
custom: {
50: '#888fde',
500: '#4663cf',
950: '#000000',
},
}SCSS
$custom: #4663cf; $custom-light: #888fde; $custom-dark: #000000;
JSON
{
"hex": "#4663cf",
"rgb": {
"r": 70,
"g": 99,
"b": 207
},
"hsl": {
"h": 227.299,
"s": 58.798,
"l": 54.314
},
"oklch": {
"l": 0.53715,
"c": 0.16994,
"h": 268.7
},
"luminance": 0.14731
}Semantic roles & 50–950 ramp
primary
#4663CF
secondary
#D5C99B
accent
#C146E2
background
#F9F8FD
surface
#F1F0FB
border
#CBCBD4
text
#0D0C15
muted
#7E7D83