#3F8AAB#3F8AAB
#3F8AAB is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.0% C 0.089 H 229.7°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).
Color values
| HEX | #3F8AAB |
|---|---|
| RGB | rgb(63, 138, 171) |
| HSL | hsl(198, 46%, 46%) |
| HSV | hsv(198, 63%, 67%) |
| CMYK | cmyk(63.2%, 19.3%, 0%, 32.9%) |
| CIE-LAB | lab(54.21, -12.93, -24.34) |
| CIE-LCH | lch(54.21, 27.56, 242.02°) |
| OKLab | oklab(59.98% -0.0577 -0.068) |
| OKLCH | oklch(59.98% 0.089 229.7) |
| XYZ | xyz(18.4862, 22.1721, 41.8256) |
| Luminance | 0.2217 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 3.39
Teal Blue
#01889F
ΔE00 6.49
Dusty Blue
#5A86AD
ΔE00 6.51
Cerulean
#007BA7
ΔE00 6.69
Greyish Blue
#5E819D
ΔE00 6.69
Steel Blue
#4682B4
ΔE00 6.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F8AAB #AB603F
analogous
#3FAB96 #3F8AAB #3F54AB
triadic
#3F8AAB #AB3F8A #8AAB3F
tetradic
#3F8AAB #963FAB #AB603F #54AB3F
square
#3F8AAB #963FAB #AB603F #54AB3F
split-complementary
#3F8AAB #AB3F54 #AB963F
monochromatic
#1E4252 #2F667E #3F8AAB #62A7C5 #8FC0D6
Accessibility & contrast
On white
3.86
#3F8AAB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.43
#3F8AAB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F8AAB
5.43:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F8AAB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F8AAB | 1.00 | 3.86 | 5.43 | 5.43 |
| #FFFFFF | 3.86 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.43 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.43 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7988AD
Deuteranopia (green-blind)
#6A7DAB
Tritanopia (blue-blind)
#009395
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #3f8aab; /* rgb */ color: rgb(63, 138, 171); /* oklch */ color: oklch(60.0% 0.089 229.7);
Tailwind
colors: {
custom: {
50: '#7facc4',
500: '#3f8aab',
950: '#000000',
},
}SCSS
$custom: #3f8aab; $custom-light: #7facc4; $custom-dark: #000000;
JSON
{
"hex": "#3f8aab",
"rgb": {
"r": 63,
"g": 138,
"b": 171
},
"hsl": {
"h": 198.333,
"s": 46.154,
"l": 45.882
},
"oklch": {
"l": 0.59982,
"c": 0.08921,
"h": 229.7
},
"luminance": 0.22174
}Semantic roles & 50–950 ramp
primary
#3F8AAB
secondary
#C19785
accent
#7A52D6
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1012
muted
#7C7F81