#227666
Closest named color: Dark Aquamarine (#017371). oklch(51.2% 0.083 177.4), rgb(34, 118, 102).
Aa
White text reads best on this color (5.45:1).
About this color
#227666 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.083 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.025 away. White text reads best on it, at 5.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.85:1 |
| White text | 5.45:1 |
Values
| HEX | #227666 |
| RGB | rgb(34, 118, 102) |
| HSL | hsl(169, 55%, 30%) |
| OKLCH | oklch(51.2% 0.083 177.4) |
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 #227666 | 5.45:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #227666 | 3.85:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #227666 text on white | 5.45:1 | AA | Lc 76.9 | Fine for body text |
| #227666 text on black | 3.85:1 | AA large text | Lc -24.9 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CBDED9
oklch(88.5% 0.021 178.3)
-
Step 300
300
#A6CAC0
oklch(81% 0.041 176.5)
-
Step 400
400
#74AEA0
oklch(70.7% 0.064 177.5)
-
Step 500
500
#4C9A89
oklch(63.2% 0.082 177.4)
-
Step 600
600
#298473
oklch(55.6% 0.088 177.8)
-
Step 700
700 (this color)
#227666
oklch(51.2% 0.083 177.4)
-
Step 800
800
#195B4E
oklch(42.6% 0.069 176.9)
-
Step 900
900
#1D4B41
oklch(37.8% 0.053 176.8)
-
Step 950
950
#122C26
oklch(27% 0.034 176.7)
#227666 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) | #716F65 | 0.086 |
| Deuteranopia (no green cones) | #666667 | 0.083 |
| Tritanopia (no blue cones) | #007871 | 0.017 |
| Achromatopsia (no color) | #696969 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #227666
#227666
oklch(51.2% 0.083 177.4)
- #8D5267
#8D5267
oklch(51.3% 0.083 357.6)
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 #227666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.025
- Bluegreen #017A79 ΔE 0.028
- Deep Turquoise #017374 ΔE 0.028
- Deep Aqua #08787F ΔE 0.038
- Teal #008080 ΔE 0.042
- Dark Aqua #05696B ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.060
- Ocean #017B92 ΔE 0.067
Use #227666 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.