#336F6B
Closest named color: Dark Aquamarine (#017371). oklch(50.1% 0.063 189.5), rgb(51, 111, 107).
Aa
White text reads best on this color (5.79:1).
About this color
#336F6B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 50%, its chroma 0.063 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.024 away. White text reads best on it, at 5.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #336F6B |
| RGB | rgb(51, 111, 107) |
| HSL | hsl(176, 37%, 32%) |
| OKLCH | oklch(50.1% 0.063 189.5) |
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 #336F6B | 5.79:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #336F6B | 3.62:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #336F6B text on white | 5.79:1 | AA | Lc 78.8 | Fine for body text |
| #336F6B text on black | 3.62:1 | AA large text | Lc -23.0 | 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
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CDDDDB
oklch(88.5% 0.017 187.8)
-
Step 300
300
#ABC7C5
oklch(80.8% 0.03 191.3)
-
Step 400
400
#7EABA7
oklch(70.8% 0.049 189.3)
-
Step 500
500
#5B9691
oklch(63.1% 0.062 188.8)
-
Step 600
600
#3F807C
oklch(55.6% 0.067 190.1)
-
Step 700
700 (this color)
#336F6B
oklch(50.1% 0.063 189.5)
-
Step 800
800
#295855
oklch(42.7% 0.052 189.9)
-
Step 900
900
#264946
oklch(37.8% 0.041 188.5)
-
Step 950
950
#172B29
oklch(27.1% 0.026 187.7)
#336F6B 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) | #696A6B | 0.066 |
| Deuteranopia (no green cones) | #5F626C | 0.063 |
| Tritanopia (no blue cones) | #0A726E | 0.021 |
| Achromatopsia (no color) | #656565 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #336F6B
#336F6B
oklch(50.1% 0.063 189.5)
- #83545B
#83545B
oklch(50% 0.063 9.9)
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 #336F6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.024
- Deep Turquoise #017374 ΔE 0.024
- Dark Aqua #05696B ΔE 0.034
- Bluegreen #017A79 ΔE 0.036
- Deep Aqua #08787F ΔE 0.036
- Slate #516572 ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.049
- Teal #008080 ΔE 0.052
Use #336F6B 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.