#3FA3BF#3FA3BF
#3FA3BF is a light, moderate cyan. Relative luminance 0.310; OKLCH L 66.9% C 0.100 H 219.8°. Best body text is #000000 at 7.20:1 contrast (WCAG AA passes).
Color values
| HEX | #3FA3BF |
|---|---|
| RGB | rgb(63, 163, 191) |
| HSL | hsl(193, 50%, 50%) |
| HSV | hsv(193, 67%, 75%) |
| CMYK | cmyk(67%, 14.7%, 0%, 25.1%) |
| CIE-LAB | lab(62.52, -20.02, -22.91) |
| CIE-LCH | lch(62.52, 30.42, 228.85°) |
| OKLab | oklab(66.88% -0.0767 -0.0639) |
| OKLCH | oklch(66.88% 0.1 219.8) |
| XYZ | xyz(24.5472, 31.0100, 53.9720) |
| Luminance | 0.3101 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.47
Greyblue
#77A1B5
ΔE00 7.34
Cadetblue
#5F9EA0
ΔE00 9.32
Teal Blue
#01889F
ΔE00 9.83
Bluegrey
#85A3B2
ΔE00 10.12
Dirty Blue
#3F829D
ΔE00 11.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3FA3BF #BF5B3F
analogous
#3FBF9B #3FA3BF #3F63BF
triadic
#3FA3BF #BF3FA3 #A3BF3F
tetradic
#3FA3BF #9B3FBF #BF5B3F #63BF3F
square
#3FA3BF #9B3FBF #BF5B3F #63BF3F
split-complementary
#3FA3BF #BF3F63 #BF9B3F
monochromatic
#215463 #307C91 #3FA3BF #6DB9CF #9BCFDE
Accessibility & contrast
On white
2.92
#3FA3BF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.20
#3FA3BF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #3FA3BF
7.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3FA3BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3FA3BF | 1.00 | 2.92 | 7.20 | 7.20 |
| #FFFFFF | 2.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.20 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.20 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#929FC1
Deuteranopia (green-blind)
#8091BF
Tritanopia (blue-blind)
#00ACAC
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #3fa3bf; /* rgb */ color: rgb(63, 163, 191); /* oklch */ color: oklch(66.9% 0.100 219.8);
Tailwind
colors: {
custom: {
50: '#83bed2',
500: '#3fa3bf',
950: '#000000',
},
}SCSS
$custom: #3fa3bf; $custom-light: #83bed2; $custom-dark: #000000;
JSON
{
"hex": "#3fa3bf",
"rgb": {
"r": 63,
"g": 163,
"b": 191
},
"hsl": {
"h": 193.125,
"s": 50.394,
"l": 49.804
},
"oklch": {
"l": 0.66881,
"c": 0.09978,
"h": 219.8
},
"luminance": 0.31013
}Semantic roles & 50–950 ramp
primary
#3FA3BF
secondary
#CA9D90
accent
#6D4EDA
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1214
muted
#7D8182