#3989B9#3989B9
#3989B9 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.2% C 0.106 H 238.6°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).
Color values
| HEX | #3989B9 |
|---|---|
| RGB | rgb(57, 137, 185) |
| HSL | hsl(203, 53%, 47%) |
| HSV | hsv(203, 69%, 73%) |
| CMYK | cmyk(69.2%, 25.9%, 0%, 27.5%) |
| CIE-LAB | lab(54.30, -8.71, -32.22) |
| CIE-LCH | lch(54.30, 33.38, 254.87°) |
| OKLab | oklab(60.2% -0.0555 -0.0907) |
| OKLCH | oklch(60.2% 0.106 238.6) |
| XYZ | xyz(19.3866, 22.2618, 49.1648) |
| Luminance | 0.2226 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 3.32
Steel Blue
#4682B4
ΔE00 3.73
Cool Blue
#4984B8
ΔE00 3.79
Cerulean (survey)
#0485D1
ΔE00 4.28
Off Blue
#5684AE
ΔE00 4.74
Dusty Blue
#5A86AD
ΔE00 4.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3989B9 #B96939
analogous
#39B9A9 #3989B9 #3949B9
triadic
#3989B9 #B93989 #89B939
tetradic
#3989B9 #A939B9 #B96939 #49B939
square
#3989B9 #A939B9 #B96939 #49B939
split-complementary
#3989B9 #B93949 #B9A939
monochromatic
#1C445B #2B668A #3989B9 #61A5CE #90C0DD
Accessibility & contrast
On white
3.85
#3989B9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.45
#3989B9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3989B9
5.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3989B9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3989B9 | 1.00 | 3.85 | 5.45 | 5.45 |
| #FFFFFF | 3.85 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.45 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.45 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7389BB
Deuteranopia (green-blind)
#617CB8
Tritanopia (blue-blind)
#009599
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #3989b9; /* rgb */ color: rgb(57, 137, 185); /* oklch */ color: oklch(60.2% 0.106 238.6);
Tailwind
colors: {
custom: {
50: '#7eabce',
500: '#3989b9',
950: '#000000',
},
}SCSS
$custom: #3989b9; $custom-light: #7eabce; $custom-dark: #000000;
JSON
{
"hex": "#3989b9",
"rgb": {
"r": 57,
"g": 137,
"b": 185
},
"hsl": {
"h": 202.5,
"s": 52.893,
"l": 47.451
},
"oklch": {
"l": 0.60198,
"c": 0.10637,
"h": 238.6
},
"luminance": 0.22264
}Semantic roles & 50–950 ramp
primary
#3989B9
secondary
#C89F86
accent
#824BDC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82