#4F87EC#4F87EC
#4F87EC is a light, vivid blue. Relative luminance 0.250; OKLCH L 63.5% C 0.163 H 261.2°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).
Color values
| HEX | #4F87EC |
|---|---|
| RGB | rgb(79, 135, 236) |
| HSL | hsl(219, 81%, 62%) |
| HSV | hsv(219, 67%, 93%) |
| CMYK | cmyk(66.5%, 42.8%, 0%, 7.5%) |
| CIE-LAB | lab(57.12, 13.62, -56.45) |
| CIE-LCH | lch(57.12, 58.07, 283.56°) |
| OKLab | oklab(63.47% -0.025 -0.1612) |
| OKLCH | oklch(63.47% 0.163 261.2) |
| XYZ | xyz(27.0234, 25.0437, 82.7504) |
| Luminance | 0.2505 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dodger Blue
#3E82FC
ΔE00 2.15
Soft Blue
#6488EA
ΔE00 3.09
Dark Sky Blue
#448EE4
ΔE00 3.88
Azure
#007FFF
ΔE00 3.94
Cornflowerblue
#6495ED
ΔE00 4.46
Lightish Blue
#3D7AFD
ΔE00 4.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F87EC #ECB44F
analogous
#4FD5EC #4F87EC #664FEC
triadic
#4F87EC #EC4F87 #87EC4F
tetradic
#4F87EC #EC4FD5 #ECB44F #4FEC66
square
#4F87EC #EC4FD5 #ECB44F #4FEC66
split-complementary
#4F87EC #EC664F #D5EC4F
monochromatic
#134AAE #1962E5 #4F87EC #86ADF2 #BDD2F8
Accessibility & contrast
On white
3.49
#4F87EC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.01
#4F87EC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F87EC
6.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F87EC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F87EC | 1.00 | 3.49 | 6.01 | 6.01 |
| #FFFFFF | 3.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.01 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.01 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5791F0
Deuteranopia (green-blind)
#3D82EA
Tritanopia (blue-blind)
#009EAE
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #4f87ec; /* rgb */ color: rgb(79, 135, 236); /* oklch */ color: oklch(63.5% 0.163 261.2);
Tailwind
colors: {
custom: {
50: '#90a9f3',
500: '#4f87ec',
950: '#000000',
},
}SCSS
$custom: #4f87ec; $custom-light: #90a9f3; $custom-dark: #000000;
JSON
{
"hex": "#4f87ec",
"rgb": {
"r": 79,
"g": 135,
"b": 236
},
"hsl": {
"h": 218.599,
"s": 80.513,
"l": 61.765
},
"oklch": {
"l": 0.63465,
"c": 0.16316,
"h": 261.2
},
"luminance": 0.25046
}Semantic roles & 50–950 ramp
primary
#4F87EC
secondary
#E8D4AE
accent
#9109DD
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E0F17
muted
#7E7F85