#309FB1#309FB1
#309FB1 is a light, moderate teal. Relative luminance 0.286; OKLCH L 64.9% C 0.100 H 210.7°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).
Color values
| HEX | #309FB1 |
|---|---|
| RGB | rgb(48, 159, 177) |
| HSL | hsl(188, 57%, 44%) |
| HSV | hsv(188, 73%, 69%) |
| CMYK | cmyk(72.9%, 10.2%, 0%, 30.6%) |
| CIE-LAB | lab(60.42, -24.53, -18.27) |
| CIE-LCH | lch(60.42, 30.59, 216.69°) |
| OKLab | oklab(64.92% -0.0855 -0.0508) |
| OKLCH | oklch(64.92% 0.1 210.7) |
| XYZ | xyz(21.5495, 28.5964, 45.9704) |
| Luminance | 0.2860 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.45
Cadetblue
#5F9EA0
ΔE00 6.54
Teal Blue
#01889F
ΔE00 8.15
Greyblue
#77A1B5
ΔE00 9.83
Sea
#3C9992
ΔE00 9.96
Darkcyan
#008B8B
ΔE00 10.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#309FB1 #B14230
analogous
#30B183 #309FB1 #305FB1
triadic
#309FB1 #B1309F #9FB130
tetradic
#309FB1 #8330B1 #B14230 #5FB130
square
#309FB1 #8330B1 #B14230 #5FB130
split-complementary
#309FB1 #B1305F #B18330
monochromatic
#164951 #237481 #309FB1 #4FBDCF #7FCFDC
Accessibility & contrast
On white
3.13
#309FB1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.72
#309FB1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #309FB1
6.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##309FB1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##309FB1 | 1.00 | 3.13 | 6.72 | 6.72 |
| #FFFFFF | 3.13 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.72 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.72 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9099B2
Deuteranopia (green-blind)
#7E8CB1
Tritanopia (blue-blind)
#00A7A4
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #309fb1; /* rgb */ color: rgb(48, 159, 177); /* oklch */ color: oklch(64.9% 0.100 210.7);
Tailwind
colors: {
custom: {
50: '#7bbbc8',
500: '#309fb1',
950: '#000000',
},
}SCSS
$custom: #309fb1; $custom-light: #7bbbc8; $custom-dark: #000000;
JSON
{
"hex": "#309fb1",
"rgb": {
"r": 48,
"g": 159,
"b": 177
},
"hsl": {
"h": 188.372,
"s": 57.333,
"l": 44.118
},
"oklch": {
"l": 0.64924,
"c": 0.0995,
"h": 210.7
},
"luminance": 0.28599
}Semantic roles & 50–950 ramp
primary
#309FB1
secondary
#C58278
accent
#5D47E1
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1213
muted
#7C8182