#216A73
Closest named color: Dark Aqua (#05696B). oklch(48.4% 0.071 206.8), rgb(33, 106, 115).
Aa
White text reads best on this color (6.22:1).
About this color
#216A73 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.071 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.019 away. White text reads best on it, at 6.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #216A73 |
| RGB | rgb(33, 106, 115) |
| HSL | hsl(187, 55%, 29%) |
| OKLCH | oklch(48.4% 0.071 206.8) |
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 #216A73 | 6.22:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #216A73 | 3.37:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #216A73 text on white | 6.22:1 | AA | Lc 80.8 | Fine for body text |
| #216A73 text on black | 3.37:1 | AA large text | Lc -21.1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A8C7CC
oklch(80.8% 0.034 208.4)
-
Step 400
400
#78ABB2
oklch(70.8% 0.055 206.7)
-
Step 500
500
#52969F
oklch(63.2% 0.07 206.6)
-
Step 600
600
#32808A
oklch(55.6% 0.077 206.9)
-
Step 700
700 (this color)
#216A73
oklch(48.4% 0.071 206.8)
-
Step 800
800
#20585F
oklch(42.7% 0.059 206.6)
-
Step 900
900
#20494E
oklch(37.8% 0.046 206)
-
Step 950
950
#142B2E
oklch(27.2% 0.029 206.4)
#216A73 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) | #616674 | 0.069 |
| Deuteranopia (no green cones) | #555D73 | 0.063 |
| Tritanopia (no blue cones) | #006F6D | 0.024 |
| Achromatopsia (no color) | #616161 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216A73
#216A73
oklch(48.4% 0.071 206.8)
- #824F49
#824F49
oklch(48.4% 0.07 27.2)
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 #216A73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.019
- Deep Turquoise #017374 ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.030
- Petrol #005F6A ΔE 0.040
- Deep Aqua #08787F ΔE 0.042
- Dark Green Blue #1F6357 ΔE 0.046
- Slate #516572 ΔE 0.048
- Bluegreen #017A79 ΔE 0.048
Use #216A73 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.