#3099B4#3099B4
#3099B4 is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.6% C 0.101 H 218.9°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).
Color values
| HEX | #3099B4 |
|---|---|
| RGB | rgb(48, 153, 180) |
| HSL | hsl(192, 58%, 45%) |
| HSV | hsv(192, 73%, 71%) |
| CMYK | cmyk(73.3%, 15%, 0%, 29.4%) |
| CIE-LAB | lab(58.70, -20.45, -22.60) |
| CIE-LCH | lch(58.70, 30.48, 227.86°) |
| OKLab | oklab(63.57% -0.0783 -0.0631) |
| OKLCH | oklch(63.57% 0.101 218.9) |
| XYZ | xyz(20.8449, 26.7037, 47.2269) |
| Luminance | 0.2671 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 6.52
Dirty Blue
#3F829D
ΔE00 8.30
Turquoise Blue
#06B1C4
ΔE00 8.33
Greyblue
#77A1B5
ΔE00 8.68
Cadetblue
#5F9EA0
ΔE00 9.27
Ocean
#017B92
ΔE00 11.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3099B4 #B44B30
analogous
#30B48D #3099B4 #3057B4
triadic
#3099B4 #B43099 #99B430
tetradic
#3099B4 #8D30B4 #B44B30 #57B430
square
#3099B4 #8D30B4 #B44B30 #57B430
split-complementary
#3099B4 #B43057 #B48D30
monochromatic
#164753 #237084 #3099B4 #51B6D1 #81CADD
Accessibility & contrast
On white
3.31
#3099B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.34
#3099B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3099B4
6.34:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3099B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3099B4 | 1.00 | 3.31 | 6.34 | 6.34 |
| #FFFFFF | 3.31 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.34 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.34 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8895B5
Deuteranopia (green-blind)
#7687B4
Tritanopia (blue-blind)
#00A2A2
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #3099b4; /* rgb */ color: rgb(48, 153, 180); /* oklch */ color: oklch(63.6% 0.101 218.9);
Tailwind
colors: {
custom: {
50: '#7bb7ca',
500: '#3099b4',
950: '#000000',
},
}SCSS
$custom: #3099b4; $custom-light: #7bb7ca; $custom-dark: #000000;
JSON
{
"hex": "#3099b4",
"rgb": {
"r": 48,
"g": 153,
"b": 180
},
"hsl": {
"h": 192.273,
"s": 57.895,
"l": 44.706
},
"oklch": {
"l": 0.63572,
"c": 0.10054,
"h": 218.9
},
"luminance": 0.26706
}Semantic roles & 50–950 ramp
primary
#3099B4
secondary
#C68979
accent
#6647E1
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082