#3988E2#3988E2
#3988E2 is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.2% C 0.156 H 254.0°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #3988E2 |
|---|---|
| RGB | rgb(57, 136, 226) |
| HSL | hsl(212, 74%, 55%) |
| HSV | hsv(212, 75%, 89%) |
| CMYK | cmyk(74.8%, 39.8%, 0%, 11.4%) |
| CIE-LAB | lab(56.05, 6.39, -52.62) |
| CIE-LCH | lch(56.05, 53.01, 276.92°) |
| OKLab | oklab(62.24% -0.0431 -0.1503) |
| OKLCH | oklch(62.24% 0.156 254) |
| XYZ | xyz(24.2139, 23.9664, 75.2866) |
| Luminance | 0.2397 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.01
Dodgerblue
#1E90FF
ΔE00 3.62
Azure
#007FFF
ΔE00 3.83
Dodger Blue
#3E82FC
ΔE00 4.49
Cool Blue
#4984B8
ΔE00 4.52
Cerulean (survey)
#0485D1
ΔE00 4.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3988E2 #E29339
analogous
#39DCE2 #3988E2 #3F39E2
triadic
#3988E2 #E23988 #88E239
tetradic
#3988E2 #E239DC #E29339 #39E23F
square
#3988E2 #E239DC #E29339 #39E23F
split-complementary
#3988E2 #E23F39 #DCE239
monochromatic
#154C8C #1C6AC1 #3988E2 #6EA8EA #A4C8F2
Accessibility & contrast
On white
3.62
#3988E2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.79
#3988E2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3988E2
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3988E2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3988E2 | 1.00 | 3.62 | 5.79 | 5.79 |
| #FFFFFF | 3.62 | 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)
#5D8FE6
Deuteranopia (green-blind)
#417FE0
Tritanopia (blue-blind)
#009DAA
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #3988e2; /* rgb */ color: rgb(57, 136, 226); /* oklch */ color: oklch(62.2% 0.156 254.0);
Tailwind
colors: {
custom: {
50: '#85aaeb',
500: '#3988e2',
950: '#000000',
},
}SCSS
$custom: #3988e2; $custom-light: #85aaeb; $custom-dark: #000000;
JSON
{
"hex": "#3988e2",
"rgb": {
"r": 57,
"g": 136,
"b": 226
},
"hsl": {
"h": 211.953,
"s": 74.449,
"l": 55.49
},
"oklch": {
"l": 0.62241,
"c": 0.15634,
"h": 254
},
"luminance": 0.23969
}Semantic roles & 50–950 ramp
primary
#3988E2
secondary
#DFBE98
accent
#9A37F1
background
#F9FAFE
surface
#F1F4FD
border
#CBCED5
text
#0D0F16
muted
#7E7F84