#309FB4#309FB4
#309FB4 is a light, moderate teal. Relative luminance 0.287; OKLCH L 65.0% C 0.101 H 213.2°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).
Color values
| HEX | #309FB4 |
|---|---|
| RGB | rgb(48, 159, 180) |
| HSL | hsl(190, 58%, 45%) |
| HSV | hsv(190, 73%, 71%) |
| CMYK | cmyk(73.3%, 11.7%, 0%, 29.4%) |
| CIE-LAB | lab(60.53, -23.57, -19.80) |
| CIE-LCH | lch(60.53, 30.79, 220.03°) |
| OKLab | oklab(65.05% -0.0843 -0.0552) |
| OKLCH | oklch(65.05% 0.101 213.2) |
| XYZ | xyz(21.8518, 28.7174, 47.5625) |
| Luminance | 0.2872 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.68
Cadetblue
#5F9EA0
ΔE00 7.31
Teal Blue
#01889F
ΔE00 8.02
Greyblue
#77A1B5
ΔE00 9.25
Dirty Blue
#3F829D
ΔE00 10.78
Sea
#3C9992
ΔE00 11.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#309FB4 #B44530
analogous
#30B487 #309FB4 #305DB4
triadic
#309FB4 #B4309F #9FB430
tetradic
#309FB4 #8730B4 #B44530 #5DB430
square
#309FB4 #8730B4 #B44530 #5DB430
split-complementary
#309FB4 #B4305D #B48730
monochromatic
#164A53 #237484 #309FB4 #51BCD1 #81CFDD
Accessibility & contrast
On white
3.11
#309FB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.74
#309FB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #309FB4
6.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##309FB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##309FB4 | 1.00 | 3.11 | 6.74 | 6.74 |
| #FFFFFF | 3.11 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.74 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.74 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8F9AB5
Deuteranopia (green-blind)
#7D8CB4
Tritanopia (blue-blind)
#00A7A5
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #309fb4; /* rgb */ color: rgb(48, 159, 180); /* oklch */ color: oklch(65.0% 0.101 213.2);
Tailwind
colors: {
custom: {
50: '#7cbbca',
500: '#309fb4',
950: '#000000',
},
}SCSS
$custom: #309fb4; $custom-light: #7cbbca; $custom-dark: #000000;
JSON
{
"hex": "#309fb4",
"rgb": {
"r": 48,
"g": 159,
"b": 180
},
"hsl": {
"h": 189.545,
"s": 57.895,
"l": 44.706
},
"oklch": {
"l": 0.65046,
"c": 0.10073,
"h": 213.2
},
"luminance": 0.2872
}Semantic roles & 50–950 ramp
primary
#309FB4
secondary
#C68679
accent
#5F47E1
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1213
muted
#7C8182