#4388E4#4388E4
#4388E4 is a light, vivid cyan. Relative luminance 0.244; OKLCH L 62.7% C 0.156 H 256.5°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).
Color values
| HEX | #4388E4 |
|---|---|
| RGB | rgb(67, 136, 228) |
| HSL | hsl(214, 75%, 58%) |
| HSV | hsv(214, 71%, 89%) |
| CMYK | cmyk(70.6%, 40.4%, 0%, 10.6%) |
| CIE-LAB | lab(56.49, 8.42, -53.03) |
| CIE-LCH | lch(56.49, 53.70, 279.02°) |
| OKLab | oklab(62.7% -0.0363 -0.1514) |
| OKLCH | oklch(62.7% 0.156 256.5) |
| XYZ | xyz(25.1174, 24.4003, 76.7697) |
| Luminance | 0.2440 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.14
Dodger Blue
#3E82FC
ΔE00 3.50
Azure
#007FFF
ΔE00 3.59
Dodgerblue
#1E90FF
ΔE00 3.93
Cool Blue
#4984B8
ΔE00 5.03
Clear Blue
#247AFD
ΔE00 5.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4388E4 #E49F43
analogous
#43D8E4 #4388E4 #4E43E4
triadic
#4388E4 #E44388 #88E443
tetradic
#4388E4 #E443D8 #E49F43 #43E44E
square
#4388E4 #E443D8 #E49F43 #43E44E
split-complementary
#4388E4 #E44E43 #D8E443
monochromatic
#164D97 #1D68CC #4388E4 #79AAEC #AECCF3
Accessibility & contrast
On white
3.57
#4388E4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.88
#4388E4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4388E4
5.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4388E4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4388E4 | 1.00 | 3.57 | 5.88 | 5.88 |
| #FFFFFF | 3.57 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.88 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.88 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D90E8
Deuteranopia (green-blind)
#4381E2
Tritanopia (blue-blind)
#009DAB
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #4388e4; /* rgb */ color: rgb(67, 136, 228); /* oklch */ color: oklch(62.7% 0.156 256.5);
Tailwind
colors: {
custom: {
50: '#89aaed',
500: '#4388e4',
950: '#000000',
},
}SCSS
$custom: #4388e4; $custom-light: #89aaed; $custom-dark: #000000;
JSON
{
"hex": "#4388e4",
"rgb": {
"r": 67,
"g": 136,
"b": 228
},
"hsl": {
"h": 214.286,
"s": 74.884,
"l": 57.843
},
"oklch": {
"l": 0.62704,
"c": 0.15564,
"h": 256.5
},
"luminance": 0.24403
}Semantic roles & 50–950 ramp
primary
#4388E4
secondary
#E2C6A1
accent
#A136F2
background
#F9FAFE
surface
#F1F4FD
border
#CBCED5
text
#0D0F16
muted
#7E7F84