#3F9DBC#3F9DBC
#3F9DBC is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.3% C 0.098 H 223.3°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).
Color values
| HEX | #3F9DBC |
|---|---|
| RGB | rgb(63, 157, 188) |
| HSL | hsl(195, 50%, 49%) |
| HSV | hsv(195, 66%, 74%) |
| CMYK | cmyk(66.5%, 16.5%, 0%, 26.3%) |
| CIE-LAB | lab(60.60, -17.80, -24.16) |
| CIE-LCH | lch(60.60, 30.01, 233.62°) |
| OKLab | oklab(65.31% -0.0716 -0.0674) |
| OKLCH | oklch(65.31% 0.098 223.3) |
| XYZ | xyz(23.1803, 28.7990, 51.9043) |
| Luminance | 0.2880 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.12
Turquoise Blue
#06B1C4
ΔE00 8.57
Teal Blue
#01889F
ΔE00 8.69
Dirty Blue
#3F829D
ΔE00 9.26
Bluegrey
#85A3B2
ΔE00 10.03
Cadetblue
#5F9EA0
ΔE00 10.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F9DBC #BC5E3F
analogous
#3FBC9D #3F9DBC #3F5FBC
triadic
#3F9DBC #BC3F9D #9DBC3F
tetradic
#3F9DBC #9D3FBC #BC5E3F #5FBC3F
square
#3F9DBC #9D3FBC #BC5E3F #5FBC3F
split-complementary
#3F9DBC #BC3F5F #BC9D3F
monochromatic
#205060 #30778E #3F9DBC #6BB5CD #99CCDD
Accessibility & contrast
On white
3.11
#3F9DBC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.76
#3F9DBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F9DBC
6.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F9DBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F9DBC | 1.00 | 3.11 | 6.76 | 6.76 |
| #FFFFFF | 3.11 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.76 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.76 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8B99BE
Deuteranopia (green-blind)
#7A8DBC
Tritanopia (blue-blind)
#00A7A7
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #3f9dbc; /* rgb */ color: rgb(63, 157, 188); /* oklch */ color: oklch(65.3% 0.098 223.3);
Tailwind
colors: {
custom: {
50: '#82bad0',
500: '#3f9dbc',
950: '#000000',
},
}SCSS
$custom: #3f9dbc; $custom-light: #82bad0; $custom-dark: #000000;
JSON
{
"hex": "#3f9dbc",
"rgb": {
"r": 63,
"g": 157,
"b": 188
},
"hsl": {
"h": 194.88,
"s": 49.801,
"l": 49.216
},
"oklch": {
"l": 0.65311,
"c": 0.09835,
"h": 223.3
},
"luminance": 0.28802
}Semantic roles & 50–950 ramp
primary
#3F9DBC
secondary
#C99D8E
accent
#714ED9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082