#4F71F3#4F71F3
#4F71F3 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.5% C 0.198 H 268.6°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4F71F3 |
|---|---|
| RGB | rgb(79, 113, 243) |
| HSL | hsl(228, 87%, 63%) |
| HSV | hsv(228, 67%, 95%) |
| CMYK | cmyk(67.5%, 53.5%, 0%, 4.7%) |
| CIE-LAB | lab(51.77, 29.53, -68.95) |
| CIE-LCH | lch(51.77, 75.01, 293.18°) |
| OKLab | oklab(59.53% -0.0047 -0.1983) |
| OKLCH | oklch(59.53% 0.198 268.6) |
| XYZ | xyz(25.3017, 19.9411, 87.2923) |
| Luminance | 0.1994 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.51
Lightish Blue
#3D7AFD
ΔE00 4.02
Royal Blue
#4169E1
ΔE00 4.07
Cornflower
#6A79F7
ΔE00 4.26
Deep Sky Blue
#0D75F8
ΔE00 5.19
Bright Blue
#0165FC
ΔE00 5.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F71F3 #F3D14F
analogous
#4FC3F3 #4F71F3 #7F4FF3
triadic
#4F71F3 #F34F71 #71F34F
tetradic
#4F71F3 #F34FC3 #F3D14F #4FF37F
square
#4F71F3 #F34FC3 #F3D14F #4FF37F
split-complementary
#4F71F3 #F37F4F #C3F34F
monochromatic
#0D31BB #1643EF #4F71F3 #889FF7 #C2CDFB
Accessibility & contrast
On white
4.21
#4F71F3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#4F71F3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F71F3
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F71F3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F71F3 | 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)
#0783F8
Deuteranopia (green-blind)
#0074F0
Tritanopia (blue-blind)
#0090A7
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #4f71f3; /* rgb */ color: rgb(79, 113, 243); /* oklch */ color: oklch(59.5% 0.198 268.6);
Tailwind
colors: {
custom: {
50: '#9299f8',
500: '#4f71f3',
950: '#000000',
},
}SCSS
$custom: #4f71f3; $custom-light: #9299f8; $custom-dark: #000000;
JSON
{
"hex": "#4f71f3",
"rgb": {
"r": 79,
"g": 113,
"b": 243
},
"hsl": {
"h": 227.561,
"s": 87.234,
"l": 63.137
},
"oklch": {
"l": 0.59526,
"c": 0.19838,
"h": 268.6
},
"luminance": 0.19944
}Semantic roles & 50–950 ramp
primary
#4F71F3
secondary
#ECE0B2
accent
#B502E4
background
#F9F9FF
surface
#F2F2FF
border
#CCCCD7
text
#0E0D17
muted
#7E7E85