#4F81E8#4F81E8
#4F81E8 is a mid, vivid blue. Relative luminance 0.232; OKLCH L 62.0% C 0.165 H 263.0°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).
Color values
| HEX | #4F81E8 |
|---|---|
| RGB | rgb(79, 129, 232) |
| HSL | hsl(220, 77%, 61%) |
| HSV | hsv(220, 66%, 91%) |
| CMYK | cmyk(65.9%, 44.4%, 0%, 9%) |
| CIE-LAB | lab(55.26, 15.88, -57.19) |
| CIE-LCH | lch(55.26, 59.35, 285.52°) |
| OKLab | oklab(61.96% -0.0201 -0.1635) |
| OKLCH | oklch(61.96% 0.165 263) |
| XYZ | xyz(25.6351, 23.1865, 79.4527) |
| Luminance | 0.2319 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dodger Blue
#3E82FC
ΔE00 2.22
Lightish Blue
#3D7AFD
ΔE00 3.02
Soft Blue
#6488EA
ΔE00 3.31
Clear Blue
#247AFD
ΔE00 3.41
Azure
#007FFF
ΔE00 3.93
Deep Sky Blue
#0D75F8
ΔE00 4.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F81E8 #E8B64F
analogous
#4FCDE8 #4F81E8 #694FE8
triadic
#4F81E8 #E84F81 #81E84F
tetradic
#4F81E8 #E84FCD #E8B64F #4FE869
square
#4F81E8 #E84FCD #E8B64F #4FE869
split-complementary
#4F81E8 #E8694F #CDE84F
monochromatic
#1645A7 #1D5CDD #4F81E8 #85A8EF #BBCEF6
Accessibility & contrast
On white
3.72
#4F81E8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.64
#4F81E8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F81E8
5.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F81E8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F81E8 | 1.00 | 3.72 | 5.64 | 5.64 |
| #FFFFFF | 3.72 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F8CEC
Deuteranopia (green-blind)
#337EE6
Tritanopia (blue-blind)
#0099A9
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #4f81e8; /* rgb */ color: rgb(79, 129, 232); /* oklch */ color: oklch(62.0% 0.165 263.0);
Tailwind
colors: {
custom: {
50: '#8fa5f0',
500: '#4f81e8',
950: '#000000',
},
}SCSS
$custom: #4f81e8; $custom-light: #8fa5f0; $custom-dark: #000000;
JSON
{
"hex": "#4f81e8",
"rgb": {
"r": 79,
"g": 129,
"b": 232
},
"hsl": {
"h": 220.392,
"s": 76.884,
"l": 60.98
},
"oklch": {
"l": 0.61963,
"c": 0.16472,
"h": 263
},
"luminance": 0.23189
}Semantic roles & 50–950 ramp
primary
#4F81E8
secondary
#E6D3AD
accent
#960CD9
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E0F17
muted
#7E7F85