#3F89AA#3F89AA
#3F89AA is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.7% C 0.089 H 230.0°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #3F89AA |
|---|---|
| RGB | rgb(63, 137, 170) |
| HSL | hsl(199, 46%, 46%) |
| HSV | hsv(199, 63%, 67%) |
| CMYK | cmyk(62.9%, 19.4%, 0%, 33.3%) |
| CIE-LAB | lab(53.87, -12.70, -24.29) |
| CIE-LCH | lch(53.87, 27.41, 242.40°) |
| OKLab | oklab(59.7% -0.057 -0.0679) |
| OKLCH | oklch(59.7% 0.089 230) |
| XYZ | xyz(18.2484, 21.8485, 41.2779) |
| Luminance | 0.2185 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 3.12
Dusty Blue
#5A86AD
ΔE00 6.37
Cerulean
#007BA7
ΔE00 6.38
Greyish Blue
#5E819D
ΔE00 6.48
Teal Blue
#01889F
ΔE00 6.51
Steel Blue
#4682B4
ΔE00 6.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F89AA #AA603F
analogous
#3FAA95 #3F89AA #3F53AA
triadic
#3F89AA #AA3F89 #89AA3F
tetradic
#3F89AA #953FAA #AA603F #53AA3F
square
#3F89AA #953FAA #AA603F #53AA3F
split-complementary
#3F89AA #AA3F53 #AA953F
monochromatic
#1E4151 #2E657D #3F89AA #62A6C5 #8EBFD5
Accessibility & contrast
On white
3.91
#3F89AA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.37
#3F89AA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F89AA
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F89AA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F89AA | 1.00 | 3.91 | 5.37 | 5.37 |
| #FFFFFF | 3.91 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.37 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.37 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7887AC
Deuteranopia (green-blind)
#697CAA
Tritanopia (blue-blind)
#009294
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #3f89aa; /* rgb */ color: rgb(63, 137, 170); /* oklch */ color: oklch(59.7% 0.089 230.0);
Tailwind
colors: {
custom: {
50: '#7fabc3',
500: '#3f89aa',
950: '#000000',
},
}SCSS
$custom: #3f89aa; $custom-light: #7fabc3; $custom-dark: #000000;
JSON
{
"hex": "#3f89aa",
"rgb": {
"r": 63,
"g": 137,
"b": 170
},
"hsl": {
"h": 198.505,
"s": 45.923,
"l": 45.686
},
"oklch": {
"l": 0.59695,
"c": 0.08864,
"h": 230
},
"luminance": 0.2185
}Semantic roles & 50–950 ramp
primary
#3F89AA
secondary
#C09785
accent
#7B52D6
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1012
muted
#7C7F81