#3F9CBC#3F9CBC
#3F9CBC is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.1% C 0.099 H 224.3°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).
Color values
| HEX | #3F9CBC |
|---|---|
| RGB | rgb(63, 156, 188) |
| HSL | hsl(195, 50%, 49%) |
| HSV | hsv(195, 66%, 74%) |
| CMYK | cmyk(66.5%, 17%, 0%, 26.3%) |
| CIE-LAB | lab(60.30, -17.27, -24.62) |
| CIE-LCH | lch(60.30, 30.07, 234.96°) |
| OKLab | oklab(65.07% -0.0705 -0.0687) |
| OKLCH | oklch(65.07% 0.099 224.3) |
| XYZ | xyz(23.0118, 28.4621, 51.8482) |
| Luminance | 0.2847 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.14
Teal Blue
#01889F
ΔE00 8.62
Dirty Blue
#3F829D
ΔE00 8.95
Turquoise Blue
#06B1C4
ΔE00 9.05
Bluegrey
#85A3B2
ΔE00 10.06
Dusty Blue
#5A86AD
ΔE00 10.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F9CBC #BC5F3F
analogous
#3FBC9E #3F9CBC #3F5EBC
triadic
#3F9CBC #BC3F9C #9CBC3F
tetradic
#3F9CBC #9E3FBC #BC5F3F #5EBC3F
square
#3F9CBC #9E3FBC #BC5F3F #5EBC3F
split-complementary
#3F9CBC #BC3F5E #BC9E3F
monochromatic
#205060 #30768E #3F9CBC #6BB4CD #99CBDD
Accessibility & contrast
On white
3.14
#3F9CBC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.69
#3F9CBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F9CBC
6.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F9CBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F9CBC | 1.00 | 3.14 | 6.69 | 6.69 |
| #FFFFFF | 3.14 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8A99BE
Deuteranopia (green-blind)
#798CBC
Tritanopia (blue-blind)
#00A6A6
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #3f9cbc; /* rgb */ color: rgb(63, 156, 188); /* oklch */ color: oklch(65.1% 0.099 224.3);
Tailwind
colors: {
custom: {
50: '#82b9d0',
500: '#3f9cbc',
950: '#000000',
},
}SCSS
$custom: #3f9cbc; $custom-light: #82b9d0; $custom-dark: #000000;
JSON
{
"hex": "#3f9cbc",
"rgb": {
"r": 63,
"g": 156,
"b": 188
},
"hsl": {
"h": 195.36,
"s": 49.801,
"l": 49.216
},
"oklch": {
"l": 0.65071,
"c": 0.0985,
"h": 224.3
},
"luminance": 0.28465
}Semantic roles & 50–950 ramp
primary
#3F9CBC
secondary
#C99D8E
accent
#724ED9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082