#3989E2#3989E2
#3989E2 is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.5% C 0.155 H 253.6°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).
Color values
| HEX | #3989E2 |
|---|---|
| RGB | rgb(57, 137, 226) |
| HSL | hsl(212, 74%, 55%) |
| HSV | hsv(212, 75%, 89%) |
| CMYK | cmyk(74.8%, 39.4%, 0%, 11.4%) |
| CIE-LAB | lab(56.34, 5.79, -52.17) |
| CIE-LCH | lch(56.34, 52.49, 276.33°) |
| OKLab | oklab(62.46% -0.044 -0.1489) |
| OKLCH | oklch(62.46% 0.155 253.6) |
| XYZ | xyz(24.3553, 24.2494, 75.3337) |
| Luminance | 0.2425 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.73
Dodgerblue
#1E90FF
ΔE00 3.35
Azure
#007FFF
ΔE00 4.12
Cool Blue
#4984B8
ΔE00 4.60
Dodger Blue
#3E82FC
ΔE00 4.74
Cerulean (survey)
#0485D1
ΔE00 4.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3989E2 #E29239
analogous
#39DDE2 #3989E2 #3E39E2
triadic
#3989E2 #E23989 #89E239
tetradic
#3989E2 #E239DD #E29239 #39E23E
square
#3989E2 #E239DD #E29239 #39E23E
split-complementary
#3989E2 #E23E39 #DDE239
monochromatic
#154D8C #1C6BC1 #3989E2 #6EA9EA #A4C9F2
Accessibility & contrast
On white
3.59
#3989E2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.85
#3989E2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3989E2
5.85:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3989E2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3989E2 | 1.00 | 3.59 | 5.85 | 5.85 |
| #FFFFFF | 3.59 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.85 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.85 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F90E6
Deuteranopia (green-blind)
#4380E0
Tritanopia (blue-blind)
#009EAA
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #3989e2; /* rgb */ color: rgb(57, 137, 226); /* oklch */ color: oklch(62.5% 0.155 253.6);
Tailwind
colors: {
custom: {
50: '#85aaeb',
500: '#3989e2',
950: '#000000',
},
}SCSS
$custom: #3989e2; $custom-light: #85aaeb; $custom-dark: #000000;
JSON
{
"hex": "#3989e2",
"rgb": {
"r": 57,
"g": 137,
"b": 226
},
"hsl": {
"h": 211.598,
"s": 74.449,
"l": 55.49
},
"oklch": {
"l": 0.62462,
"c": 0.15529,
"h": 253.6
},
"luminance": 0.24252
}Semantic roles & 50–950 ramp
primary
#3989E2
secondary
#DFBD98
accent
#9937F1
background
#F9FAFE
surface
#F1F4FD
border
#CBCED5
text
#0D1016
muted
#7E7F84