#308E78
Closest named color: Dusty Teal (#4C9085). oklch(58.6% 0.094 174.3), rgb(48, 142, 120).
Aa
Black text reads best on this color (5.26:1).
About this color
#308E78 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.094 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.032 away. Black text reads best on it, at 5.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #308E78 |
| RGB | rgb(48, 142, 120) |
| HSL | hsl(166, 49%, 37%) |
| OKLCH | oklch(58.6% 0.094 174.3) |
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 #308E78 | 3.98:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #308E78 | 5.26:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #308E78 text on white | 3.98:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #308E78 text on black | 5.26:1 | AA | Lc -34.8 | 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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADED8
oklch(88.4% 0.023 175.9)
-
Step 300
300
#A5CABF
oklch(80.9% 0.042 175.2)
-
Step 400
400
#73AF9E
oklch(70.8% 0.067 174.5)
-
Step 500
500
#499B86
oklch(63.2% 0.087 174.3)
-
Step 600
600 (this color)
#308E78
oklch(58.6% 0.094 174.3)
-
Step 700
700
#14715D
oklch(49.2% 0.088 173.8)
-
Step 800
800
#165C4C
oklch(42.8% 0.073 173.9)
-
Step 900
900
#1B4B3F
oklch(37.6% 0.056 174)
-
Step 950
950
#112C25
oklch(26.9% 0.036 174.4)
#308E78 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) | #898577 | 0.098 |
| Deuteranopia (no green cones) | #7C7B7A | 0.095 |
| Tritanopia (no blue cones) | #009087 | 0.024 |
| Achromatopsia (no color) | #7F7F7F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308E78
#308E78
oklch(58.6% 0.094 174.3)
- #A7647F
#A7647F
oklch(58.6% 0.093 354.6)
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 #308E78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.032
- Viridian #1E9167 ΔE 0.032
- Dark Cyan #008B8B ΔE 0.036
- Ocean Green #3D9973 ΔE 0.039
- Blue Green #0F9B8E ΔE 0.042
- Teal Green #0A9396 ΔE 0.043
- Sea #3C9992 ΔE 0.046
- Sea Green #2E8B57 ΔE 0.047
Use #308E78 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.