#308E90
Closest named color: Teal Green (#0A9396). oklch(59.4% 0.086 197.1), rgb(48, 142, 144).
Aa
Black text reads best on this color (5.39:1).
About this color
#308E90 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.086 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.017 away. Black text reads best on it, at 5.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #308E90 |
| RGB | rgb(48, 142, 144) |
| HSL | hsl(181, 50%, 38%) |
| OKLCH | oklch(59.4% 0.086 197.1) |
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 #308E90 | 3.89:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #308E90 | 5.39:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #308E90 text on white | 3.89:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #308E90 text on black | 5.39:1 | AA | Lc -35.6 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C8DEDE
oklch(88.4% 0.023 196.7)
-
Step 300
300
#A2C9CA
oklch(80.8% 0.041 198.3)
-
Step 400
400
#6CAEAF
oklch(70.7% 0.067 197)
-
Step 500
500 (this color)
#308E90
oklch(59.4% 0.086 197.1)
-
Step 600
600
#078486
oklch(55.7% 0.094 196.7)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#035B5D
oklch(42.8% 0.072 197.4)
-
Step 900
900
#134B4C
oklch(37.8% 0.056 196.8)
-
Step 950
950
#0E2C2C
oklch(27.1% 0.035 195.3)
#308E90 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) | #848790 | 0.088 |
| Deuteranopia (no green cones) | #767D91 | 0.082 |
| Tritanopia (no blue cones) | #00938E | 0.021 |
| Achromatopsia (no color) | #818181 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308E90
#308E90
oklch(59.4% 0.086 197.1)
- #AC696C
#AC696C
oklch(59.5% 0.086 17.1)
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 #308E90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.017
- Dark Cyan #008B8B ΔE 0.022
- Dusty Teal #4C9085 ΔE 0.028
- Sea #3C9992 ΔE 0.035
- Teal Blue #01889F ΔE 0.037
- Blue Green #0F9B8E ΔE 0.041
- Persian Green #2A9D8F ΔE 0.046
- Teal #008080 ΔE 0.051
Use #308E90 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.