#066965
Closest named color: Dark Aqua (#05696B). oklch(47.1% 0.08 190.2), rgb(6, 105, 101).
Aa
White text reads best on this color (6.52:1).
About this color
#066965 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 47%, its chroma 0.080 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.010 away. White text reads best on it, at 6.52:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.21:1 |
| White text | 6.52:1 |
Values
| HEX | #066965 |
| RGB | rgb(6, 105, 101) |
| HSL | hsl(178, 89%, 22%) |
| OKLCH | oklch(47.1% 0.08 190.2) |
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 #066965 | 6.52:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #066965 | 3.21:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #066965 text on white | 6.52:1 | AA | Lc 81.9 | Fine for body text |
| #066965 text on black | 3.21:1 | AA large text | Lc -20.0 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDC
oklch(88.5% 0.022 189.5)
-
Step 300
300
#A5C9C6
oklch(80.9% 0.039 190.2)
-
Step 400
400
#72ADA9
oklch(70.6% 0.062 190.5)
-
Step 500
500
#499994
oklch(63.1% 0.079 189.9)
-
Step 600
600
#24837F
oklch(55.6% 0.085 190.8)
-
Step 700
700 (this color)
#066965
oklch(47.1% 0.08 190.2)
-
Step 800
800
#155A57
oklch(42.6% 0.066 190.7)
-
Step 900
900
#1B4A48
oklch(37.6% 0.051 191.4)
-
Step 950
950
#112C2A
oklch(27.1% 0.033 189)
#066965 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) | #626365 | 0.084 |
| Deuteranopia (no green cones) | #565A66 | 0.079 |
| Tritanopia (no blue cones) | #006C68 | 0.009 |
| Achromatopsia (no color) | #5E5E5E | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066965
#066965
oklch(47.1% 0.08 190.2)
- #814751
#814751
oklch(47.1% 0.08 9.6)
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 #066965, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.010
- Dark Green Blue #1F6357 ΔE 0.024
- Dark Aquamarine #017371 ΔE 0.032
- Deep Turquoise #017374 ΔE 0.034
- Petrol #005F6A ΔE 0.036
- Deep Aqua #08787F ΔE 0.055
- Bluegreen #017A79 ΔE 0.055
- Deep Teal #00555A ΔE 0.064
Use #066965 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.