#4B88E1#4B88E1
#4B88E1 is a light, vivid blue. Relative luminance 0.245; OKLCH L 62.8% C 0.149 H 257.9°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).
Color values
| HEX | #4B88E1 |
|---|---|
| RGB | rgb(75, 136, 225) |
| HSL | hsl(216, 71%, 59%) |
| HSV | hsv(216, 67%, 88%) |
| CMYK | cmyk(66.7%, 39.6%, 0%, 11.8%) |
| CIE-LAB | lab(56.62, 8.57, -51.12) |
| CIE-LCH | lch(56.62, 51.84, 279.52°) |
| OKLab | oklab(62.84% -0.0312 -0.1456) |
| OKLCH | oklch(62.84% 0.149 257.9) |
| XYZ | xyz(25.2915, 24.5379, 74.6230) |
| Luminance | 0.2454 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.60
Dodger Blue
#3E82FC
ΔE00 3.28
Azure
#007FFF
ΔE00 3.91
Soft Blue
#6488EA
ΔE00 4.48
Dodgerblue
#1E90FF
ΔE00 4.53
Faded Blue
#658CBB
ΔE00 4.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B88E1 #E1A44B
analogous
#4BD3E1 #4B88E1 #594BE1
triadic
#4B88E1 #E14B88 #88E14B
tetradic
#4B88E1 #E14BD3 #E1A44B #4BE159
square
#4B88E1 #E14BD3 #E1A44B #4BE159
split-complementary
#4B88E1 #E1594B #D3E14B
monochromatic
#194D98 #2267CD #4B88E1 #7FABEA #B4CDF2
Accessibility & contrast
On white
3.55
#4B88E1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.91
#4B88E1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B88E1
5.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B88E1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B88E1 | 1.00 | 3.55 | 5.91 | 5.91 |
| #FFFFFF | 3.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.91 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.91 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F8FE5
Deuteranopia (green-blind)
#4981DF
Tritanopia (blue-blind)
#009CAA
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #4b88e1; /* rgb */ color: rgb(75, 136, 225); /* oklch */ color: oklch(62.8% 0.149 257.9);
Tailwind
colors: {
custom: {
50: '#8caaeb',
500: '#4b88e1',
950: '#000000',
},
}SCSS
$custom: #4b88e1; $custom-light: #8caaeb; $custom-dark: #000000;
JSON
{
"hex": "#4b88e1",
"rgb": {
"r": 75,
"g": 136,
"b": 225
},
"hsl": {
"h": 215.6,
"s": 71.429,
"l": 58.824
},
"oklch": {
"l": 0.6284,
"c": 0.14895,
"h": 257.9
},
"luminance": 0.2454
}Semantic roles & 50–950 ramp
primary
#4B88E1
secondary
#E1C9A6
accent
#A53AEE
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D0F16
muted
#7E7F84