#4F77DB#4F77DB
#4F77DB is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.1% C 0.159 H 265.4°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4F77DB |
|---|---|
| RGB | rgb(79, 119, 219) |
| HSL | hsl(223, 66%, 58%) |
| HSV | hsv(223, 64%, 86%) |
| CMYK | cmyk(63.9%, 45.7%, 0%, 14.1%) |
| CIE-LAB | lab(51.80, 17.53, -55.44) |
| CIE-LCH | lch(51.80, 58.15, 287.54°) |
| OKLab | oklab(59.06% -0.0127 -0.1585) |
| OKLCH | oklch(59.06% 0.159 265.4) |
| XYZ | xyz(22.6030, 19.9683, 69.6672) |
| Luminance | 0.1997 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.70
Lightish Blue
#3D7AFD
ΔE00 3.94
Deep Sky Blue
#0D75F8
ΔE00 4.32
Clear Blue
#247AFD
ΔE00 4.47
Royal Blue
#4169E1
ΔE00 4.84
Cerulean Blue
#056EEE
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F77DB #DBB34F
analogous
#4FBDDB #4F77DB #6D4FDB
triadic
#4F77DB #DB4F77 #77DB4F
tetradic
#4F77DB #DB4FBD #DBB34F #4FDB6D
square
#4F77DB #DB4FBD #DBB34F #4FDB6D
split-complementary
#4F77DB #DB6D4F #BDDB4F
monochromatic
#1E3F92 #2855C5 #4F77DB #829EE5 #B5C6F0
Accessibility & contrast
On white
4.21
#4F77DB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#4F77DB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F77DB
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F77DB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F77DB | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4682DF
Deuteranopia (green-blind)
#2D76D9
Tritanopia (blue-blind)
#008E9E
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #4f77db; /* rgb */ color: rgb(79, 119, 219); /* oklch */ color: oklch(59.1% 0.159 265.4);
Tailwind
colors: {
custom: {
50: '#8d9de7',
500: '#4f77db',
950: '#000000',
},
}SCSS
$custom: #4f77db; $custom-light: #8d9de7; $custom-dark: #000000;
JSON
{
"hex": "#4f77db",
"rgb": {
"r": 79,
"g": 119,
"b": 219
},
"hsl": {
"h": 222.857,
"s": 66.038,
"l": 58.431
},
"oklch": {
"l": 0.59059,
"c": 0.159,
"h": 265.4
},
"luminance": 0.1997
}Semantic roles & 50–950 ramp
primary
#4F77DB
secondary
#DFCFA7
accent
#B83FE9
background
#F9F9FE
surface
#F2F2FC
border
#CCCCD5
text
#0D0E16
muted
#7E7E84