#3FA3BC#3FA3BC
#3FA3BC is a light, moderate cyan. Relative luminance 0.309; OKLCH L 66.8% C 0.098 H 217.4°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).
Color values
| HEX | #3FA3BC |
|---|---|
| RGB | rgb(63, 163, 188) |
| HSL | hsl(192, 50%, 49%) |
| HSV | hsv(192, 66%, 74%) |
| CMYK | cmyk(66.5%, 13.3%, 0%, 26.3%) |
| CIE-LAB | lab(62.41, -20.96, -21.40) |
| CIE-LCH | lch(62.41, 29.96, 225.59°) |
| OKLab | oklab(66.76% -0.0778 -0.0596) |
| OKLCH | oklch(66.76% 0.098 217.4) |
| XYZ | xyz(24.2205, 30.8793, 52.2510) |
| Luminance | 0.3088 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.78
Greyblue
#77A1B5
ΔE00 7.66
Cadetblue
#5F9EA0
ΔE00 8.41
Teal Blue
#01889F
ΔE00 9.60
Bluegrey
#85A3B2
ΔE00 10.35
Dirty Blue
#3F829D
ΔE00 11.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3FA3BC #BC583F
analogous
#3FBC97 #3FA3BC #3F65BC
triadic
#3FA3BC #BC3FA3 #A3BC3F
tetradic
#3FA3BC #973FBC #BC583F #65BC3F
square
#3FA3BC #973FBC #BC583F #65BC3F
split-complementary
#3FA3BC #BC3F65 #BC973F
monochromatic
#205460 #307B8E #3FA3BC #6BBACD #99CFDD
Accessibility & contrast
On white
2.93
#3FA3BC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.18
#3FA3BC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #3FA3BC
7.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3FA3BC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3FA3BC | 1.00 | 2.93 | 7.18 | 7.18 |
| #FFFFFF | 2.93 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#939EBD
Deuteranopia (green-blind)
#8191BC
Tritanopia (blue-blind)
#00ACAB
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #3fa3bc; /* rgb */ color: rgb(63, 163, 188); /* oklch */ color: oklch(66.8% 0.098 217.4);
Tailwind
colors: {
custom: {
50: '#83bed0',
500: '#3fa3bc',
950: '#000000',
},
}SCSS
$custom: #3fa3bc; $custom-light: #83bed0; $custom-dark: #000000;
JSON
{
"hex": "#3fa3bc",
"rgb": {
"r": 63,
"g": 163,
"b": 188
},
"hsl": {
"h": 192,
"s": 49.801,
"l": 49.216
},
"oklch": {
"l": 0.66756,
"c": 0.09803,
"h": 217.4
},
"luminance": 0.30882
}Semantic roles & 50–950 ramp
primary
#3FA3BC
secondary
#C99A8E
accent
#6A4ED9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1214
muted
#7D8182