#339FBC#339FBC
#339FBC is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.5% C 0.104 H 219.7°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).
Color values
| HEX | #339FBC |
|---|---|
| RGB | rgb(51, 159, 188) |
| HSL | hsl(193, 57%, 47%) |
| HSV | hsv(193, 73%, 74%) |
| CMYK | cmyk(72.9%, 15.4%, 0%, 26.3%) |
| CIE-LAB | lab(60.89, -20.60, -23.74) |
| CIE-LCH | lch(60.89, 31.43, 229.05°) |
| OKLab | oklab(65.46% -0.0797 -0.0663) |
| OKLCH | oklch(65.46% 0.104 219.7) |
| XYZ | xyz(22.8367, 29.1282, 51.9859) |
| Luminance | 0.2913 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 7.16
Greyblue
#77A1B5
ΔE00 8.02
Teal Blue
#01889F
ΔE00 8.49
Cadetblue
#5F9EA0
ΔE00 9.55
Dirty Blue
#3F829D
ΔE00 10.01
Bluegrey
#85A3B2
ΔE00 10.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#339FBC #BC5033
analogous
#33BC95 #339FBC #335ABC
triadic
#339FBC #BC339F #9FBC33
tetradic
#339FBC #9533BC #BC5033 #5ABC33
square
#339FBC #9533BC #BC5033 #5ABC33
split-complementary
#339FBC #BC335A #BC9533
monochromatic
#194E5C #26768C #339FBC #5AB9D2 #8ACDDF
Accessibility & contrast
On white
3.08
#339FBC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.83
#339FBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #339FBC
6.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##339FBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##339FBC | 1.00 | 3.08 | 6.83 | 6.83 |
| #FFFFFF | 3.08 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.83 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.83 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8D9BBE
Deuteranopia (green-blind)
#7A8DBC
Tritanopia (blue-blind)
#00A9A8
Achromatopsia (no color)
#939393
Design tokens & code
CSS
--color: #339fbc; /* rgb */ color: rgb(51, 159, 188); /* oklch */ color: oklch(65.5% 0.104 219.7);
Tailwind
colors: {
custom: {
50: '#7ebbd0',
500: '#339fbc',
950: '#000000',
},
}SCSS
$custom: #339fbc; $custom-light: #7ebbd0; $custom-dark: #000000;
JSON
{
"hex": "#339fbc",
"rgb": {
"r": 51,
"g": 159,
"b": 188
},
"hsl": {
"h": 192.701,
"s": 57.322,
"l": 46.863
},
"oklch": {
"l": 0.65456,
"c": 0.10372,
"h": 219.7
},
"luminance": 0.29131
}Semantic roles & 50–950 ramp
primary
#339FBC
secondary
#C99181
accent
#6847E1
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1214
muted
#7C8182