#4B87DB#4B87DB
#4B87DB is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.3% C 0.142 H 257.2°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #4B87DB |
|---|---|
| RGB | rgb(75, 135, 219) |
| HSL | hsl(215, 67%, 58%) |
| HSV | hsv(215, 66%, 86%) |
| CMYK | cmyk(65.8%, 38.4%, 0%, 14.1%) |
| CIE-LAB | lab(56.02, 7.10, -48.72) |
| CIE-LCH | lch(56.02, 49.23, 278.29°) |
| OKLab | oklab(62.27% -0.0316 -0.1386) |
| OKLCH | oklch(62.27% 0.142 257.2) |
| XYZ | xyz(24.3472, 23.9359, 70.3411) |
| Luminance | 0.2394 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.84
Dodger Blue
#3E82FC
ΔE00 3.64
Azure
#007FFF
ΔE00 3.99
Faded Blue
#658CBB
ΔE00 4.41
Cool Blue
#4984B8
ΔE00 4.56
Soft Blue
#6488EA
ΔE00 4.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B87DB #DB9F4B
analogous
#4BCFDB #4B87DB #574BDB
triadic
#4B87DB #DB4B87 #87DB4B
tetradic
#4B87DB #DB4BCF #DB9F4B #4BDB57
square
#4B87DB #DB4BCF #DB9F4B #4BDB57
split-complementary
#4B87DB #DB574B #CFDB4B
monochromatic
#1D4C8F #2767C2 #4B87DB #7EA9E5 #B1CBEF
Accessibility & contrast
On white
3.63
#4B87DB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.79
#4B87DB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B87DB
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B87DB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B87DB | 1.00 | 3.63 | 5.79 | 5.79 |
| #FFFFFF | 3.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.79 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.79 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#618EDE
Deuteranopia (green-blind)
#4C80D9
Tritanopia (blue-blind)
#009AA6
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #4b87db; /* rgb */ color: rgb(75, 135, 219); /* oklch */ color: oklch(62.3% 0.142 257.2);
Tailwind
colors: {
custom: {
50: '#8ba9e6',
500: '#4b87db',
950: '#000000',
},
}SCSS
$custom: #4b87db; $custom-light: #8ba9e6; $custom-dark: #000000;
JSON
{
"hex": "#4b87db",
"rgb": {
"r": 75,
"g": 135,
"b": 219
},
"hsl": {
"h": 215,
"s": 66.667,
"l": 57.647
},
"oklch": {
"l": 0.6227,
"c": 0.14215,
"h": 257.2
},
"luminance": 0.23938
}Semantic roles & 50–950 ramp
primary
#4B87DB
secondary
#DEC6A4
accent
#A23EEA
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D0F16
muted
#7E7F84