#309FB2#309FB2
#309FB2 is a light, moderate teal. Relative luminance 0.286; OKLCH L 65.0% C 0.100 H 211.6°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).
Color values
| HEX | #309FB2 |
|---|---|
| RGB | rgb(48, 159, 178) |
| HSL | hsl(189, 58%, 44%) |
| HSV | hsv(189, 73%, 70%) |
| CMYK | cmyk(73%, 10.7%, 0%, 30.2%) |
| CIE-LAB | lab(60.46, -24.21, -18.78) |
| CIE-LCH | lch(60.46, 30.64, 217.80°) |
| OKLab | oklab(64.96% -0.0851 -0.0523) |
| OKLCH | oklch(64.96% 0.1 211.6) |
| XYZ | xyz(21.6495, 28.6365, 46.4972) |
| Luminance | 0.2864 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.50
Cadetblue
#5F9EA0
ΔE00 6.79
Teal Blue
#01889F
ΔE00 8.09
Greyblue
#77A1B5
ΔE00 9.63
Sea
#3C9992
ΔE00 10.32
Darkcyan
#008B8B
ΔE00 10.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#309FB2 #B24330
analogous
#30B284 #309FB2 #305EB2
triadic
#309FB2 #B2309F #9FB230
tetradic
#309FB2 #8430B2 #B24330 #5EB230
square
#309FB2 #8430B2 #B24330 #5EB230
split-complementary
#309FB2 #B2305E #B28430
monochromatic
#164952 #237482 #309FB2 #50BDD0 #80CFDD
Accessibility & contrast
On white
3.12
#309FB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.73
#309FB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #309FB2
6.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##309FB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##309FB2 | 1.00 | 3.12 | 6.73 | 6.73 |
| #FFFFFF | 3.12 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.73 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.73 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9099B3
Deuteranopia (green-blind)
#7E8CB2
Tritanopia (blue-blind)
#00A7A5
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #309fb2; /* rgb */ color: rgb(48, 159, 178); /* oklch */ color: oklch(65.0% 0.100 211.6);
Tailwind
colors: {
custom: {
50: '#7cbbc9',
500: '#309fb2',
950: '#000000',
},
}SCSS
$custom: #309fb2; $custom-light: #7cbbc9; $custom-dark: #000000;
JSON
{
"hex": "#309fb2",
"rgb": {
"r": 48,
"g": 159,
"b": 178
},
"hsl": {
"h": 188.769,
"s": 57.522,
"l": 44.314
},
"oklch": {
"l": 0.64965,
"c": 0.0999,
"h": 211.6
},
"luminance": 0.28639
}Semantic roles & 50–950 ramp
primary
#309FB2
secondary
#C68478
accent
#5E47E1
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1213
muted
#7C8182