#309A8B#309A8B
#309A8B is a light, moderate teal. Relative luminance 0.256; OKLCH L 62.3% C 0.097 H 181.7°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).
Color values
| HEX | #309A8B |
|---|---|
| RGB | rgb(48, 154, 139) |
| HSL | hsl(172, 52%, 40%) |
| HSV | hsv(172, 69%, 60%) |
| CMYK | cmyk(68.8%, 0%, 9.7%, 39.6%) |
| CIE-LAB | lab(57.66, -33.41, -0.86) |
| CIE-LCH | lch(57.66, 33.42, 181.47°) |
| OKLab | oklab(62.28% -0.0973 -0.0028) |
| OKLCH | oklch(62.28% 0.097 181.7) |
| XYZ | xyz(17.4325, 25.6017, 28.4440) |
| Luminance | 0.2560 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Blue Green
#0F9B8E
ΔE00 1.69
Teal (survey)
#029386
ΔE00 3.12
Sea
#3C9992
ΔE00 3.28
Dusty Teal
#4C9085
ΔE00 4.61
Grey Teal
#5E9B8A
ΔE00 5.30
Dull Teal
#5F9E8F
ΔE00 5.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#309A8B #9A303F
analogous
#309A56 #309A8B #30749A
triadic
#309A8B #8B309A #9A8B30
tetradic
#309A8B #56309A #9A303F #749A30
square
#309A8B #56309A #9A303F #749A30
split-complementary
#309A8B #9A3074 #9A5630
monochromatic
#133D37 #216B61 #309A8B #43C4B2 #72D3C5
Accessibility & contrast
On white
3.43
#309A8B on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.12
#309A8B on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #309A8B
6.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##309A8B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##309A8B | 1.00 | 3.43 | 6.12 | 6.12 |
| #FFFFFF | 3.43 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.12 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.12 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#93918A
Deuteranopia (green-blind)
#84868C
Tritanopia (blue-blind)
#009D95
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #309a8b; /* rgb */ color: rgb(48, 154, 139); /* oklch */ color: oklch(62.3% 0.097 181.7);
Tailwind
colors: {
custom: {
50: '#77b8ac',
500: '#309a8b',
950: '#000000',
},
}SCSS
$custom: #309a8b; $custom-light: #77b8ac; $custom-dark: #000000;
JSON
{
"hex": "#309a8b",
"rgb": {
"r": 48,
"g": 154,
"b": 139
},
"hsl": {
"h": 171.509,
"s": 52.475,
"l": 39.608
},
"oklch": {
"l": 0.62281,
"c": 0.09738,
"h": 181.7
},
"luminance": 0.25604
}Semantic roles & 50–950 ramp
primary
#309A8B
secondary
#BB6B76
accent
#4C60DC
background
#F7FBFA
surface
#EEF6F4
border
#C9D0CE
text
#0A1110
muted
#7C807F