#4A73DB#4A73DB
#4A73DB is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.0% C 0.165 H 265.4°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).
Color values
| HEX | #4A73DB |
|---|---|
| RGB | rgb(74, 115, 219) |
| HSL | hsl(223, 67%, 57%) |
| HSV | hsv(223, 66%, 86%) |
| CMYK | cmyk(66.2%, 47.5%, 0%, 14.1%) |
| CIE-LAB | lab(50.49, 19.18, -57.56) |
| CIE-LCH | lch(50.49, 60.67, 288.43°) |
| OKLab | oklab(57.99% -0.0133 -0.1649) |
| OKLCH | oklch(57.99% 0.165 265.4) |
| XYZ | xyz(21.7365, 18.8297, 69.4931) |
| Luminance | 0.1883 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 1.72
Royal Blue
#4169E1
ΔE00 3.48
Cerulean Blue
#056EEE
ΔE00 3.99
Deep Sky Blue
#0D75F8
ΔE00 4.27
Lightish Blue
#3D7AFD
ΔE00 4.59
Clear Blue
#247AFD
ΔE00 4.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4A73DB #DBB24A
analogous
#4ABCDB #4A73DB #694ADB
triadic
#4A73DB #DB4A73 #73DB4A
tetradic
#4A73DB #DB4ABC #DBB24A #4ADB69
square
#4A73DB #DB4ABC #DBB24A #4ADB69
split-complementary
#4A73DB #DB694A #BCDB4A
monochromatic
#1C3D8E #2652C1 #4A73DB #7D9AE5 #B0C2EF
Accessibility & contrast
On white
4.41
#4A73DB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.77
#4A73DB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4A73DB
4.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4A73DB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4A73DB | 1.00 | 4.41 | 4.77 | 4.77 |
| #FFFFFF | 4.41 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.77 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.77 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3C7FDF
Deuteranopia (green-blind)
#1B72D9
Tritanopia (blue-blind)
#008B9C
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #4a73db; /* rgb */ color: rgb(74, 115, 219); /* oklch */ color: oklch(58.0% 0.165 265.4);
Tailwind
colors: {
custom: {
50: '#8b9ae7',
500: '#4a73db',
950: '#000000',
},
}SCSS
$custom: #4a73db; $custom-light: #8b9ae7; $custom-dark: #000000;
JSON
{
"hex": "#4a73db",
"rgb": {
"r": 74,
"g": 115,
"b": 219
},
"hsl": {
"h": 223.034,
"s": 66.82,
"l": 57.451
},
"oklch": {
"l": 0.57989,
"c": 0.16542,
"h": 265.4
},
"luminance": 0.18832
}Semantic roles & 50–950 ramp
primary
#4A73DB
secondary
#DECDA3
accent
#B93EEA
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84