#3F8CAA#3F8CAA
#3F8CAA is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.4% C 0.088 H 226.6°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).
Color values
| HEX | #3F8CAA |
|---|---|
| RGB | rgb(63, 140, 170) |
| HSL | hsl(197, 46%, 46%) |
| HSV | hsv(197, 63%, 67%) |
| CMYK | cmyk(62.9%, 17.6%, 0%, 33.3%) |
| CIE-LAB | lab(54.78, -14.36, -22.89) |
| CIE-LCH | lch(54.78, 27.02, 237.90°) |
| OKLab | oklab(60.42% -0.0603 -0.0639) |
| OKLCH | oklch(60.42% 0.088 226.6) |
| XYZ | xyz(18.6808, 22.7133, 41.4220) |
| Luminance | 0.2271 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 3.67
Teal Blue
#01889F
ΔE00 5.64
Greyish Blue
#5E819D
ΔE00 7.55
Dusty Blue
#5A86AD
ΔE00 7.58
Cerulean
#007BA7
ΔE00 7.68
Off Blue
#5684AE
ΔE00 8.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F8CAA #AA5D3F
analogous
#3FAA92 #3F8CAA #3F57AA
triadic
#3F8CAA #AA3F8C #8CAA3F
tetradic
#3F8CAA #923FAA #AA5D3F #57AA3F
square
#3F8CAA #923FAA #AA5D3F #57AA3F
split-complementary
#3F8CAA #AA3F57 #AA923F
monochromatic
#1E4251 #2E677D #3F8CAA #62A9C5 #8EC1D5
Accessibility & contrast
On white
3.79
#3F8CAA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.54
#3F8CAA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F8CAA
5.54:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F8CAA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F8CAA | 1.00 | 3.79 | 5.54 | 5.54 |
| #FFFFFF | 3.79 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.54 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.54 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C89AC
Deuteranopia (green-blind)
#6D7EAA
Tritanopia (blue-blind)
#009596
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #3f8caa; /* rgb */ color: rgb(63, 140, 170); /* oklch */ color: oklch(60.4% 0.088 226.6);
Tailwind
colors: {
custom: {
50: '#7fadc3',
500: '#3f8caa',
950: '#000000',
},
}SCSS
$custom: #3f8caa; $custom-light: #7fadc3; $custom-dark: #000000;
JSON
{
"hex": "#3f8caa",
"rgb": {
"r": 63,
"g": 140,
"b": 170
},
"hsl": {
"h": 196.822,
"s": 45.923,
"l": 45.686
},
"oklch": {
"l": 0.60421,
"c": 0.08785,
"h": 226.6
},
"luminance": 0.22715
}Semantic roles & 50–950 ramp
primary
#3F8CAA
secondary
#C09585
accent
#7752D6
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1012
muted
#7C7F81