#339CBA#339CBA
#339CBA is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.6% C 0.103 H 221.0°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).
Color values
| HEX | #339CBA |
|---|---|
| RGB | rgb(51, 156, 186) |
| HSL | hsl(193, 57%, 46%) |
| HSV | hsv(193, 73%, 73%) |
| CMYK | cmyk(72.6%, 16.1%, 0%, 27.1%) |
| CIE-LAB | lab(59.91, -19.68, -24.13) |
| CIE-LCH | lch(59.91, 31.13, 230.80°) |
| OKLab | oklab(64.64% -0.0775 -0.0674) |
| OKLCH | oklch(64.64% 0.103 221) |
| XYZ | xyz(22.1130, 28.0233, 50.6885) |
| Luminance | 0.2803 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 7.81
Greyblue
#77A1B5
ΔE00 8.04
Turquoise Blue
#06B1C4
ΔE00 8.14
Dirty Blue
#3F829D
ΔE00 9.04
Cadetblue
#5F9EA0
ΔE00 9.95
Bluegrey
#85A3B2
ΔE00 10.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#339CBA #BA5133
analogous
#33BA95 #339CBA #3359BA
triadic
#339CBA #BA339C #9CBA33
tetradic
#339CBA #9533BA #BA5133 #59BA33
square
#339CBA #9533BA #BA5133 #59BA33
split-complementary
#339CBA #BA3359 #BA9533
monochromatic
#194B5A #26748A #339CBA #59B7D1 #89CCDF
Accessibility & contrast
On white
3.18
#339CBA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.61
#339CBA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #339CBA
6.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##339CBA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##339CBA | 1.00 | 3.18 | 6.61 | 6.61 |
| #FFFFFF | 3.18 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.61 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.61 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8A98BC
Deuteranopia (green-blind)
#788ABA
Tritanopia (blue-blind)
#00A6A6
Achromatopsia (no color)
#909090
Design tokens & code
CSS
--color: #339cba; /* rgb */ color: rgb(51, 156, 186); /* oklch */ color: oklch(64.6% 0.103 221.0);
Tailwind
colors: {
custom: {
50: '#7db9ce',
500: '#339cba',
950: '#000000',
},
}SCSS
$custom: #339cba; $custom-light: #7db9ce; $custom-dark: #000000;
JSON
{
"hex": "#339cba",
"rgb": {
"r": 51,
"g": 156,
"b": 186
},
"hsl": {
"h": 193.333,
"s": 56.962,
"l": 46.471
},
"oklch": {
"l": 0.6464,
"c": 0.10275,
"h": 221
},
"luminance": 0.28026
}Semantic roles & 50–950 ramp
primary
#339CBA
secondary
#C99080
accent
#6948E0
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1113
muted
#7C8082