#3989C4#3989C4
#3989C4 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.8% C 0.119 H 244.0°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).
Color values
| HEX | #3989C4 |
|---|---|
| RGB | rgb(57, 137, 196) |
| HSL | hsl(205, 55%, 50%) |
| HSV | hsv(205, 71%, 77%) |
| CMYK | cmyk(70.9%, 30.1%, 0%, 23.1%) |
| CIE-LAB | lab(54.81, -4.90, -37.70) |
| CIE-LCH | lch(54.81, 38.01, 262.59°) |
| OKLab | oklab(60.76% -0.0519 -0.1066) |
| OKLCH | oklch(60.76% 0.119 244) |
| XYZ | xyz(20.5930, 22.7444, 55.5187) |
| Luminance | 0.2275 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 2.02
Cerulean (survey)
#0485D1
ΔE00 2.46
Cool Blue
#4984B8
ΔE00 2.76
Steel Blue
#4682B4
ΔE00 3.16
Off Blue
#5684AE
ΔE00 4.44
Dusty Blue
#5A86AD
ΔE00 4.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3989C4 #C47439
analogous
#39C4BA #3989C4 #3943C4
triadic
#3989C4 #C43989 #89C439
tetradic
#3989C4 #BA39C4 #C47439 #43C439
square
#3989C4 #BA39C4 #C47439 #43C439
split-complementary
#3989C4 #C43943 #C4BA39
monochromatic
#1D4765 #2B6895 #3989C4 #67A5D3 #97C1E1
Accessibility & contrast
On white
3.78
#3989C4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.55
#3989C4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3989C4
5.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3989C4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3989C4 | 1.00 | 3.78 | 5.55 | 5.55 |
| #FFFFFF | 3.78 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.55 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.55 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E8AC7
Deuteranopia (green-blind)
#5B7DC3
Tritanopia (blue-blind)
#00979E
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #3989c4; /* rgb */ color: rgb(57, 137, 196); /* oklch */ color: oklch(60.8% 0.119 244.0);
Tailwind
colors: {
custom: {
50: '#80abd6',
500: '#3989c4',
950: '#000000',
},
}SCSS
$custom: #3989c4; $custom-light: #80abd6; $custom-dark: #000000;
JSON
{
"hex": "#3989c4",
"rgb": {
"r": 57,
"g": 137,
"b": 196
},
"hsl": {
"h": 205.468,
"s": 54.941,
"l": 49.608
},
"oklch": {
"l": 0.60763,
"c": 0.1186,
"h": 244
},
"luminance": 0.22747
}Semantic roles & 50–950 ramp
primary
#3989C4
secondary
#CCA88D
accent
#894ADE
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0B1014
muted
#7C7F83