#217163
Closest named color: Dark Aquamarine (#017371). oklch(49.7% 0.079 178.8), rgb(33, 113, 99).
Aa
White text reads best on this color (5.82:1).
About this color
#217163 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 50%, its chroma 0.079 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.022 away. White text reads best on it, at 5.82:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.60:1 |
| White text | 5.82:1 |
Values
| HEX | #217163 |
| RGB | rgb(33, 113, 99) |
| HSL | hsl(170, 55%, 29%) |
| OKLCH | oklch(49.7% 0.079 178.8) |
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 #217163 | 5.82:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #217163 | 3.60:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #217163 text on white | 5.82:1 | AA | Lc 78.8 | Fine for body text |
| #217163 text on black | 3.60:1 | 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
#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
#A7C9C1
oklch(80.9% 0.038 179.4)
-
Step 400
400
#76AEA1
oklch(70.8% 0.062 178.3)
-
Step 500
500
#4F998A
oklch(63.1% 0.078 178.8)
-
Step 600
600
#2E8474
oklch(55.7% 0.085 178.4)
-
Step 700
700 (this color)
#217163
oklch(49.7% 0.079 178.8)
-
Step 800
800
#1D5B4F
oklch(42.8% 0.066 177.7)
-
Step 900
900
#1F4A42
oklch(37.6% 0.05 179.6)
-
Step 950
950
#132C27
oklch(27.1% 0.033 179.2)
#217163 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) | #6C6A62 | 0.083 |
| Deuteranopia (no green cones) | #616264 | 0.079 |
| Tritanopia (no blue cones) | #00736D | 0.016 |
| Achromatopsia (no color) | #656565 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #217163
#217163
oklch(49.7% 0.079 178.8)
- #874F61
#874F61
oklch(49.8% 0.078 359.7)
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 #217163, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.022
- Deep Turquoise #017374 ΔE 0.026
- Dark Aqua #05696B ΔE 0.035
- Bluegreen #017A79 ΔE 0.037
- Deep Aqua #08787F ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.044
- Teal #008080 ΔE 0.054
- Petrol #005F6A ΔE 0.066
Use #217163 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.