#4A66DC#4A66DC
#4A66DC is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.5% C 0.183 H 269.5°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).
Color values
| HEX | #4A66DC |
|---|---|
| RGB | rgb(74, 102, 220) |
| HSL | hsl(228, 68%, 58%) |
| HSV | hsv(228, 66%, 86%) |
| CMYK | cmyk(66.4%, 53.6%, 0%, 13.7%) |
| CIE-LAB | lab(47.14, 27.66, -63.53) |
| CIE-LCH | lch(47.14, 69.29, 293.53°) |
| OKLab | oklab(55.47% -0.0016 -0.1826) |
| OKLCH | oklch(55.47% 0.183 269.5) |
| XYZ | xyz(20.4893, 16.1240, 69.7287) |
| Luminance | 0.1613 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 1.72
Cornflower Blue
#5170D7
ΔE00 3.45
Azul
#1D5DEC
ΔE00 4.03
Bright Blue
#0165FC
ΔE00 4.39
Warm Blue
#4B57DB
ΔE00 5.00
Dark Periwinkle
#665FD1
ΔE00 5.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4A66DC #DCC04A
analogous
#4AAFDC #4A66DC #774ADC
triadic
#4A66DC #DC4A66 #66DC4A
tetradic
#4A66DC #DC4AAF #DCC04A #4ADC77
square
#4A66DC #DC4AAF #DCC04A #4ADC77
split-complementary
#4A66DC #DC774A #AFDC4A
monochromatic
#1C3290 #2644C3 #4A66DC #7D91E6 #B1BDF0
Accessibility & contrast
On white
4.97
#4A66DC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.23
#4A66DC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4A66DC
4.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4A66DC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4A66DC | 1.00 | 4.97 | 4.23 | 4.97 |
| #FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0C77E0
Deuteranopia (green-blind)
#0069DA
Tritanopia (blue-blind)
#008297
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #4a66dc; /* rgb */ color: rgb(74, 102, 220); /* oklch */ color: oklch(55.5% 0.183 269.5);
Tailwind
colors: {
custom: {
50: '#8c91e8',
500: '#4a66dc',
950: '#000000',
},
}SCSS
$custom: #4a66dc; $custom-light: #8c91e8; $custom-dark: #000000;
JSON
{
"hex": "#4a66dc",
"rgb": {
"r": 74,
"g": 102,
"b": 220
},
"hsl": {
"h": 228.493,
"s": 67.593,
"l": 57.647
},
"oklch": {
"l": 0.55469,
"c": 0.18265,
"h": 269.5
},
"luminance": 0.16126
}Semantic roles & 50–950 ramp
primary
#4A66DC
secondary
#DED3A4
accent
#C93DEA
background
#F9F8FE
surface
#F2F0FD
border
#CCCBD5
text
#0D0C16
muted
#7E7D84