#3E6D66
Closest named color: Dark Aquamarine (#017371). oklch(49.9% 0.053 183.6), rgb(62, 109, 102).
Aa
White text reads best on this color (5.85:1).
About this color
#3E6D66 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 50%, its chroma 0.053 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.035 away. White text reads best on it, at 5.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #3E6D66 |
| RGB | rgb(62, 109, 102) |
| HSL | hsl(171, 27%, 34%) |
| OKLCH | oklch(49.9% 0.053 183.6) |
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 #3E6D66 | 5.85:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #3E6D66 | 3.58:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #3E6D66 text on white | 5.85:1 | AA | Lc 79.2 | Fine for body text |
| #3E6D66 text on black | 3.58:1 | AA large text | Lc -22.6 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#CFDCDA
oklch(88.4% 0.014 185.9)
-
Step 300
300
#AFC6C2
oklch(80.8% 0.026 184.1)
-
Step 400
400
#85A9A3
oklch(70.6% 0.04 183.9)
-
Step 500
500
#65948D
oklch(63.1% 0.052 184.4)
-
Step 600
600
#4B7E77
oklch(55.5% 0.056 184.6)
-
Step 700
700 (this color)
#3E6D66
oklch(49.9% 0.053 183.6)
-
Step 800
800
#325751
oklch(42.7% 0.044 182.7)
-
Step 900
900
#2C4843
oklch(37.8% 0.035 181.9)
-
Step 950
950
#1A2A27
oklch(27% 0.022 181.6)
#3E6D66 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) | #696866 | 0.057 |
| Deuteranopia (no green cones) | #616267 | 0.054 |
| Tritanopia (no blue cones) | #2C6F6B | 0.016 |
| Achromatopsia (no color) | #656565 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E6D66
#3E6D66
oklch(49.9% 0.053 183.6)
- #7D5660
#7D5660
oklch(49.8% 0.054 2.4)
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 #3E6D66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.035
- Deep Turquoise #017374 ΔE 0.036
- Dark Aqua #05696B ΔE 0.040
- Slate #516572 ΔE 0.043
- Bluegreen #017A79 ΔE 0.046
- Deep Aqua #08787F ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.049
- Dim Gray #696969 ΔE 0.057
Use #3E6D66 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.