#336B64
Closest named color: Dark Aqua (#05696B). oklch(48.8% 0.06 184.8), rgb(51, 107, 100).
Aa
White text reads best on this color (6.12:1).
About this color
#336B64 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.060 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.028 away. White text reads best on it, at 6.12:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.42:1 |
| White text | 6.12:1 |
Values
| HEX | #336B64 |
| RGB | rgb(51, 107, 100) |
| HSL | hsl(173, 35%, 31%) |
| OKLCH | oklch(48.8% 0.06 184.8) |
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 #336B64 | 6.12:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #336B64 | 3.42:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #336B64 text on white | 6.12:1 | AA | Lc 80.4 | Fine for body text |
| #336B64 text on black | 3.42:1 | AA large text | Lc -21.4 | 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
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CEDDDA
oklch(88.5% 0.017 182.7)
-
Step 300
300
#ADC7C3
oklch(80.9% 0.029 185.4)
-
Step 400
400
#80ABA4
oklch(70.8% 0.047 183.9)
-
Step 500
500
#5E968E
oklch(63.2% 0.06 184.4)
-
Step 600
600
#438078
oklch(55.6% 0.065 184.6)
-
Step 700
700 (this color)
#336B64
oklch(48.8% 0.06 184.8)
-
Step 800
800
#2C5852
oklch(42.7% 0.05 184.1)
-
Step 900
900
#284844
oklch(37.6% 0.039 185.5)
-
Step 950
950
#182A28
oklch(26.9% 0.024 187)
#336B64 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) | #666664 | 0.064 |
| Deuteranopia (no green cones) | #5D5F65 | 0.061 |
| Tritanopia (no blue cones) | #156D69 | 0.019 |
| Achromatopsia (no color) | #626262 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #336B64
#336B64
oklch(48.8% 0.06 184.8)
- #7D515B
#7D515B
oklch(48.7% 0.06 4.7)
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 #336B64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.031
- Deep Turquoise #017374 ΔE 0.033
- Dark Green Blue #1F6357 ΔE 0.036
- Bluegreen #017A79 ΔE 0.048
- Slate #516572 ΔE 0.049
- Deep Aqua #08787F ΔE 0.049
- Petrol #005F6A ΔE 0.054
Use #336B64 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.