#309381
Closest named color: Dusty Teal (#4C9085). oklch(60.1% 0.095 178.4), rgb(48, 147, 129).
Aa
Black text reads best on this color (5.61:1).
About this color
#309381 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.095 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.024 away. Black text reads best on it, at 5.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.61:1 |
| White text | 3.73:1 |
Values
| HEX | #309381 |
| RGB | rgb(48, 147, 129) |
| HSL | hsl(169, 51%, 38%) |
| OKLCH | oklch(60.1% 0.095 178.4) |
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 #309381 | 3.73:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #309381 | 5.61:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #309381 text on white | 3.73:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #309381 text on black | 5.61:1 | AA | Lc -37.0 | 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
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFD9
oklch(88.5% 0.026 178.3)
-
Step 300
300
#A1CBC1
oklch(80.9% 0.047 178.9)
-
Step 400
400
#6BB0A1
oklch(70.7% 0.074 178.6)
-
Step 500
500 (this color)
#309381
oklch(60.1% 0.095 178.4)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#114C42
oklch(37.7% 0.061 178.9)
-
Step 950
950
#0D2D27
oklch(27.1% 0.039 178.8)
#309381 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) | #8D8A80 | 0.100 |
| Deuteranopia (no green cones) | #7F8082 | 0.094 |
| Tritanopia (no blue cones) | #00958E | 0.021 |
| Achromatopsia (no color) | #848484 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309381
#309381
oklch(60.1% 0.095 178.4)
- #AE6880
#AE6880
oklch(60.1% 0.094 358.3)
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 #309381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.024
- Blue Green #0F9B8E ΔE 0.025
- Sea #3C9992 ΔE 0.030
- Persian Green #2A9D8F ΔE 0.031
- Ocean Green #3D9973 ΔE 0.033
- Teal Green #0A9396 ΔE 0.033
- Dark Cyan #008B8B ΔE 0.037
- Viridian #1E9167 ΔE 0.040
Use #309381 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.