#309883
Closest named color: Blue Green (#0F9B8E). oklch(61.5% 0.099 176.5), rgb(48, 152, 131).
Aa
Black text reads best on this color (5.94:1).
About this color
#309883 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.099 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.017 away. Black text reads best on it, at 5.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 5.94:1 |
| White text | 3.53:1 |
Values
| HEX | #309883 |
| RGB | rgb(48, 152, 131) |
| HSL | hsl(168, 52%, 39%) |
| OKLCH | oklch(61.5% 0.099 176.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #309883 | 3.53:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #309883 | 5.94:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #309883 text on white | 3.53:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #309883 text on black | 5.94:1 | AA | Lc -39.1 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C7DFD8
oklch(88.4% 0.027 176.3)
-
Step 300
300
#A0CBC0
oklch(80.8% 0.048 177.7)
-
Step 400
400
#69B19F
oklch(70.8% 0.078 176.1)
-
Step 500
500 (this color)
#309883
oklch(61.5% 0.099 176.5)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#0D4D41
oklch(37.8% 0.065 176.7)
-
Step 950
950
#0B2D26
oklch(27% 0.041 176.9)
#309883 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #928F82 | 0.103 |
| Deuteranopia (no green cones) | #848485 | 0.100 |
| Tritanopia (no blue cones) | #009A92 | 0.023 |
| Achromatopsia (no color) | #888888 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309883
#309883
oklch(61.5% 0.099 176.5)
- #B46B86
#B46B86
oklch(61.6% 0.098 356.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #309883, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.017
- Persian Green #2A9D8F ΔE 0.019
- Ocean Green #3D9973 ΔE 0.025
- Sea #3C9992 ΔE 0.025
- Dusty Teal #4C9085 ΔE 0.030
- Teal Green #0A9396 ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.041
- Viridian #1E9167 ΔE 0.044
Use #309883 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.