#4A66D8#4A66D8
#4A66D8 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.2% C 0.177 H 269.4°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).
Color values
| HEX | #4A66D8 |
|---|---|
| RGB | rgb(74, 102, 216) |
| HSL | hsl(228, 65%, 57%) |
| HSV | hsv(228, 66%, 85%) |
| CMYK | cmyk(65.7%, 52.8%, 0%, 15.3%) |
| CIE-LAB | lab(46.86, 26.27, -61.71) |
| CIE-LCH | lch(46.86, 67.06, 293.06°) |
| OKLab | oklab(55.18% -0.0018 -0.1772) |
| OKLCH | oklch(55.18% 0.177 269.4) |
| XYZ | xyz(19.9659, 15.9146, 66.9721) |
| Luminance | 0.1592 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 1.86
Cornflower Blue
#5170D7
ΔE00 3.43
Azul
#1D5DEC
ΔE00 4.16
Bright Blue
#0165FC
ΔE00 4.69
Warm Blue
#4B57DB
ΔE00 5.06
Dark Periwinkle
#665FD1
ΔE00 5.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4A66D8 #D8BC4A
analogous
#4AADD8 #4A66D8 #754AD8
triadic
#4A66D8 #D84A66 #66D84A
tetradic
#4A66D8 #D84AAD #D8BC4A #4AD875
square
#4A66D8 #D84AAD #D8BC4A #4AD875
split-complementary
#4A66D8 #D8754A #ADD84A
monochromatic
#1E338A #2946BC #4A66D8 #7C91E3 #AFBBEE
Accessibility & contrast
On white
5.02
#4A66D8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.18
#4A66D8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4A66D8
5.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4A66D8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4A66D8 | 1.00 | 5.02 | 4.18 | 5.02 |
| #FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1976DC
Deuteranopia (green-blind)
#0069D6
Tritanopia (blue-blind)
#008195
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #4a66d8; /* rgb */ color: rgb(74, 102, 216); /* oklch */ color: oklch(55.2% 0.177 269.4);
Tailwind
colors: {
custom: {
50: '#8b91e5',
500: '#4a66d8',
950: '#000000',
},
}SCSS
$custom: #4a66d8; $custom-light: #8b91e5; $custom-dark: #000000;
JSON
{
"hex": "#4a66d8",
"rgb": {
"r": 74,
"g": 102,
"b": 216
},
"hsl": {
"h": 228.169,
"s": 64.545,
"l": 56.863
},
"oklch": {
"l": 0.55175,
"c": 0.17726,
"h": 269.4
},
"luminance": 0.15916
}Semantic roles & 50–950 ramp
primary
#4A66D8
secondary
#DCD0A2
accent
#C740E8
background
#F9F8FE
surface
#F1F0FC
border
#CBCBD5
text
#0D0C16
muted
#7E7D84