#3D9690
Closest named color: Sea (#3C9992). oklch(61.8% 0.085 189.1), rgb(61, 150, 144).
Aa
Black text reads best on this color (5.96:1).
About this color
#3D9690 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.085 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.009 away. Black text reads best on it, at 5.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 5.96:1 |
| White text | 3.52:1 |
Values
| HEX | #3D9690 |
| RGB | rgb(61, 150, 144) |
| HSL | hsl(176, 42%, 41%) |
| OKLCH | oklch(61.8% 0.085 189.1) |
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 #3D9690 | 3.52:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #3D9690 | 5.96:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #3D9690 text on white | 3.52:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #3D9690 text on black | 5.96:1 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C9DEDC
oklch(88.4% 0.023 189.8)
-
Step 300
300
#A3CAC6
oklch(81% 0.042 188.7)
-
Step 400
400
#6EAEA9
oklch(70.6% 0.066 189.5)
-
Step 500
500 (this color)
#3D9690
oklch(61.8% 0.085 189.1)
-
Step 600
600
#14847E
oklch(55.5% 0.092 189.1)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#0A5B57
oklch(42.7% 0.071 189.5)
-
Step 900
900
#164B48
oklch(37.8% 0.055 189.8)
-
Step 950
950
#0F2C2A
oklch(27% 0.035 189.2)
#3D9690 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) | #8E8F90 | 0.090 |
| Deuteranopia (no green cones) | #808491 | 0.085 |
| Tritanopia (no blue cones) | #009A94 | 0.022 |
| Achromatopsia (no color) | #898989 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D9690
#3D9690
oklch(61.8% 0.085 189.1)
- #B2707B
#B2707B
oklch(61.9% 0.085 9)
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 #3D9690, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.009
- Dusty Teal #4C9085 ΔE 0.021
- Persian Green #2A9D8F ΔE 0.023
- Blue Green #0F9B8E ΔE 0.024
- Teal Green #0A9396 ΔE 0.026
- Grey Teal #5E9B8A ΔE 0.035
- Dull Teal #5F9E8F ΔE 0.041
- Dark Cyan #008B8B ΔE 0.045
Use #3D9690 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.