#4F73DB#4F73DB
#4F73DB is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.2% C 0.164 H 266.9°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #4F73DB |
|---|---|
| RGB | rgb(79, 115, 219) |
| HSL | hsl(225, 66%, 58%) |
| HSV | hsv(225, 64%, 86%) |
| CMYK | cmyk(63.9%, 47.5%, 0%, 14.1%) |
| CIE-LAB | lab(50.73, 20.00, -57.16) |
| CIE-LCH | lch(50.73, 60.56, 289.29°) |
| OKLab | oklab(58.24% -0.0088 -0.1636) |
| OKLCH | oklch(58.24% 0.164 266.9) |
| XYZ | xyz(22.1370, 19.0362, 69.5118) |
| Luminance | 0.1904 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 1.28
Royal Blue
#4169E1
ΔE00 3.51
Cerulean Blue
#056EEE
ΔE00 4.62
Lightish Blue
#3D7AFD
ΔE00 4.73
Deep Sky Blue
#0D75F8
ΔE00 4.83
Clear Blue
#247AFD
ΔE00 5.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F73DB #DBB74F
analogous
#4FB9DB #4F73DB #714FDB
triadic
#4F73DB #DB4F73 #73DB4F
tetradic
#4F73DB #DB4FB9 #DBB74F #4FDB71
square
#4F73DB #DB4FB9 #DBB74F #4FDB71
split-complementary
#4F73DB #DB714F #B9DB4F
monochromatic
#1E3C92 #2850C5 #4F73DB #829BE5 #B5C4F0
Accessibility & contrast
On white
4.37
#4F73DB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.81
#4F73DB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F73DB
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F73DB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F73DB | 1.00 | 4.37 | 4.81 | 4.81 |
| #FFFFFF | 4.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D7FDF
Deuteranopia (green-blind)
#2073D9
Tritanopia (blue-blind)
#008B9C
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #4f73db; /* rgb */ color: rgb(79, 115, 219); /* oklch */ color: oklch(58.2% 0.164 266.9);
Tailwind
colors: {
custom: {
50: '#8e9ae7',
500: '#4f73db',
950: '#000000',
},
}SCSS
$custom: #4f73db; $custom-light: #8e9ae7; $custom-dark: #000000;
JSON
{
"hex": "#4f73db",
"rgb": {
"r": 79,
"g": 115,
"b": 219
},
"hsl": {
"h": 224.571,
"s": 66.038,
"l": 58.431
},
"oklch": {
"l": 0.58239,
"c": 0.16384,
"h": 266.9
},
"luminance": 0.19038
}Semantic roles & 50–950 ramp
primary
#4F73DB
secondary
#DFD0A7
accent
#BD3FE9
background
#F9F9FE
surface
#F2F2FC
border
#CCCCD5
text
#0D0E16
muted
#7E7E84