#309FB5#309FB5
#309FB5 is a light, moderate teal. Relative luminance 0.288; OKLCH L 65.1% C 0.101 H 214.0°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).
Color values
| HEX | #309FB5 |
|---|---|
| RGB | rgb(48, 159, 181) |
| HSL | hsl(190, 58%, 45%) |
| HSV | hsv(190, 73%, 71%) |
| CMYK | cmyk(73.5%, 12.2%, 0%, 29%) |
| CIE-LAB | lab(60.57, -23.25, -20.31) |
| CIE-LCH | lch(60.57, 30.87, 221.13°) |
| OKLab | oklab(65.09% -0.0839 -0.0566) |
| OKLCH | oklch(65.09% 0.101 214) |
| XYZ | xyz(21.9540, 28.7583, 48.1009) |
| Luminance | 0.2876 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.80
Cadetblue
#5F9EA0
ΔE00 7.58
Teal Blue
#01889F
ΔE00 8.02
Greyblue
#77A1B5
ΔE00 9.08
Dirty Blue
#3F829D
ΔE00 10.65
Sea
#3C9992
ΔE00 11.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#309FB5 #B54630
analogous
#30B589 #309FB5 #305CB5
triadic
#309FB5 #B5309F #9FB530
tetradic
#309FB5 #8930B5 #B54630 #5CB530
square
#309FB5 #8930B5 #B54630 #5CB530
split-complementary
#309FB5 #B5305C #B58930
monochromatic
#164A54 #237585 #309FB5 #51BCD1 #82CFDE
Accessibility & contrast
On white
3.11
#309FB5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.75
#309FB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #309FB5
6.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##309FB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##309FB5 | 1.00 | 3.11 | 6.75 | 6.75 |
| #FFFFFF | 3.11 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.75 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.75 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8F9AB6
Deuteranopia (green-blind)
#7D8CB5
Tritanopia (blue-blind)
#00A7A6
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #309fb5; /* rgb */ color: rgb(48, 159, 181); /* oklch */ color: oklch(65.1% 0.101 214.0);
Tailwind
colors: {
custom: {
50: '#7cbbcb',
500: '#309fb5',
950: '#000000',
},
}SCSS
$custom: #309fb5; $custom-light: #7cbbcb; $custom-dark: #000000;
JSON
{
"hex": "#309fb5",
"rgb": {
"r": 48,
"g": 159,
"b": 181
},
"hsl": {
"h": 189.925,
"s": 58.079,
"l": 44.902
},
"oklch": {
"l": 0.65088,
"c": 0.10119,
"h": 214
},
"luminance": 0.28761
}Semantic roles & 50–950 ramp
primary
#309FB5
secondary
#C7877A
accent
#6046E1
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1213
muted
#7C8182