#3FA9C5#3FA9C5
#3FA9C5 is a light, moderate cyan. Relative luminance 0.335; OKLCH L 68.6% C 0.103 H 218.8°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).
Color values
| HEX | #3FA9C5 |
|---|---|
| RGB | rgb(63, 169, 197) |
| HSL | hsl(193, 54%, 51%) |
| HSV | hsv(193, 68%, 77%) |
| CMYK | cmyk(68%, 14.2%, 0%, 22.7%) |
| CIE-LAB | lab(64.53, -21.26, -23.17) |
| CIE-LCH | lch(64.53, 31.44, 227.47°) |
| OKLab | oklab(68.57% -0.0805 -0.0646) |
| OKLCH | oklch(68.57% 0.103 218.8) |
| XYZ | xyz(26.3118, 33.4610, 57.8844) |
| Luminance | 0.3346 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.34
Greyblue
#77A1B5
ΔE00 7.81
Cadetblue
#5F9EA0
ΔE00 9.62
Bluegrey
#85A3B2
ΔE00 10.39
Deepskyblue
#00BFFF
ΔE00 10.42
Bright Sky Blue
#02CCFE
ΔE00 10.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3FA9C5 #C55B3F
analogous
#3FC59E #3FA9C5 #3F66C5
triadic
#3FA9C5 #C53FA9 #A9C53F
tetradic
#3FA9C5 #9E3FC5 #C55B3F #66C53F
square
#3FA9C5 #9E3FC5 #C55B3F #66C53F
split-complementary
#3FA9C5 #C53F66 #C59E3F
monochromatic
#205A6A #2E8299 #3FA9C5 #6EBED3 #9DD3E1
Accessibility & contrast
On white
2.73
#3FA9C5 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.69
#3FA9C5 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #3FA9C5
7.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3FA9C5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3FA9C5 | 1.00 | 2.73 | 7.69 | 7.69 |
| #FFFFFF | 2.73 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#97A4C7
Deuteranopia (green-blind)
#8496C5
Tritanopia (blue-blind)
#00B2B2
Achromatopsia (no color)
#9C9C9C
Design tokens & code
CSS
--color: #3fa9c5; /* rgb */ color: rgb(63, 169, 197); /* oklch */ color: oklch(68.6% 0.103 218.8);
Tailwind
colors: {
custom: {
50: '#84c2d6',
500: '#3fa9c5',
950: '#000000',
},
}SCSS
$custom: #3fa9c5; $custom-light: #84c2d6; $custom-dark: #000000;
JSON
{
"hex": "#3fa9c5",
"rgb": {
"r": 63,
"g": 169,
"b": 197
},
"hsl": {
"h": 192.537,
"s": 53.6,
"l": 50.98
},
"oklch": {
"l": 0.68572,
"c": 0.10319,
"h": 218.8
},
"luminance": 0.33464
}Semantic roles & 50–950 ramp
primary
#3FA9C5
secondary
#CE9F92
accent
#694BDD
background
#F8FBFD
surface
#F0F7FA
border
#CBD0D3
text
#0C1214
muted
#7D8183