#4F72EF#4F72EF
#4F72EF is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.4% C 0.192 H 268.3°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4F72EF |
|---|---|
| RGB | rgb(79, 114, 239) |
| HSL | hsl(227, 83%, 62%) |
| HSV | hsv(227, 67%, 94%) |
| CMYK | cmyk(66.9%, 52.3%, 0%, 6.3%) |
| CIE-LAB | lab(51.75, 27.53, -66.75) |
| CIE-LCH | lch(51.75, 72.20, 292.41°) |
| OKLab | oklab(59.43% -0.0059 -0.1918) |
| OKLCH | oklch(59.43% 0.192 268.3) |
| XYZ | xyz(24.8164, 19.9265, 84.1830) |
| Luminance | 0.1993 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.07
Lightish Blue
#3D7AFD
ΔE00 3.80
Royal Blue
#4169E1
ΔE00 3.94
Cornflower
#6A79F7
ΔE00 4.40
Deep Sky Blue
#0D75F8
ΔE00 4.89
Clear Blue
#247AFD
ΔE00 5.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F72EF #EFCC4F
analogous
#4FC2EF #4F72EF #7C4FEF
triadic
#4F72EF #EF4F72 #72EF4F
tetradic
#4F72EF #EF4FC2 #EFCC4F #4FEF7C
square
#4F72EF #EF4FC2 #EFCC4F #4FEF7C
split-complementary
#4F72EF #EF7C4F #C2EF4F
monochromatic
#1034B3 #1745EA #4F72EF #879FF4 #BFCCF9
Accessibility & contrast
On white
4.21
#4F72EF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#4F72EF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F72EF
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F72EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F72EF | 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)
#1D83F3
Deuteranopia (green-blind)
#0074EC
Tritanopia (blue-blind)
#0090A6
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #4f72ef; /* rgb */ color: rgb(79, 114, 239); /* oklch */ color: oklch(59.4% 0.192 268.3);
Tailwind
colors: {
custom: {
50: '#919af5',
500: '#4f72ef',
950: '#000000',
},
}SCSS
$custom: #4f72ef; $custom-light: #919af5; $custom-dark: #000000;
JSON
{
"hex": "#4f72ef",
"rgb": {
"r": 79,
"g": 114,
"b": 239
},
"hsl": {
"h": 226.875,
"s": 83.333,
"l": 62.353
},
"oklch": {
"l": 0.59428,
"c": 0.19191,
"h": 268.3
},
"luminance": 0.19929
}Semantic roles & 50–950 ramp
primary
#4F72EF
secondary
#EADDB0
accent
#B006E0
background
#F9F9FF
surface
#F2F2FE
border
#CCCCD6
text
#0E0E17
muted
#7E7E85