#4B87EB#4B87EB
#4B87EB is a light, vivid blue. Relative luminance 0.248; OKLCH L 63.2% C 0.163 H 260.0°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).
Color values
| HEX | #4B87EB |
|---|---|
| RGB | rgb(75, 135, 235) |
| HSL | hsl(218, 80%, 61%) |
| HSV | hsv(218, 68%, 92%) |
| CMYK | cmyk(68.1%, 42.6%, 0%, 7.8%) |
| CIE-LAB | lab(56.90, 12.65, -56.25) |
| CIE-LCH | lch(56.90, 57.66, 282.67°) |
| OKLab | oklab(63.23% -0.0283 -0.1607) |
| OKLCH | oklch(63.23% 0.163 260) |
| XYZ | xyz(26.5556, 24.8192, 81.9722) |
| Luminance | 0.2482 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dodger Blue
#3E82FC
ΔE00 2.23
Dark Sky Blue
#448EE4
ΔE00 3.42
Azure
#007FFF
ΔE00 3.60
Soft Blue
#6488EA
ΔE00 3.67
Clear Blue
#247AFD
ΔE00 4.46
Cornflowerblue
#6495ED
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B87EB #EBAF4B
analogous
#4BD7EB #4B87EB #5F4BEB
triadic
#4B87EB #EB4B87 #87EB4B
tetradic
#4B87EB #EB4BD7 #EBAF4B #4BEB5F
square
#4B87EB #EB4BD7 #EBAF4B #4BEB5F
split-complementary
#4B87EB #EB5F4B #D7EB4B
monochromatic
#134BA9 #1964E0 #4B87EB #82ACF1 #B9D0F7
Accessibility & contrast
On white
3.52
#4B87EB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.96
#4B87EB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B87EB
5.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B87EB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B87EB | 1.00 | 3.52 | 5.96 | 5.96 |
| #FFFFFF | 3.52 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5790EF
Deuteranopia (green-blind)
#3C82E9
Tritanopia (blue-blind)
#009EAD
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #4b87eb; /* rgb */ color: rgb(75, 135, 235); /* oklch */ color: oklch(63.2% 0.163 260.0);
Tailwind
colors: {
custom: {
50: '#8ea9f2',
500: '#4b87eb',
950: '#000000',
},
}SCSS
$custom: #4b87eb; $custom-light: #8ea9f2; $custom-dark: #000000;
JSON
{
"hex": "#4b87eb",
"rgb": {
"r": 75,
"g": 135,
"b": 235
},
"hsl": {
"h": 217.5,
"s": 80,
"l": 60.784
},
"oklch": {
"l": 0.63233,
"c": 0.16318,
"h": 260
},
"luminance": 0.24822
}Semantic roles & 50–950 ramp
primary
#4B87EB
secondary
#E7D0AB
accent
#8D09DC
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E0F17
muted
#7E7F85