#216577
Closest named color: Dark Aqua (#05696B). oklch(47.3% 0.072 219), rgb(33, 101, 119).
Aa
White text reads best on this color (6.57:1).
About this color
#216577 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 47%, its chroma 0.072 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.029 away. White text reads best on it, at 6.57:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #216577 |
| RGB | rgb(33, 101, 119) |
| HSL | hsl(193, 57%, 30%) |
| OKLCH | oklch(47.3% 0.072 219) |
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 #216577 | 6.57:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #216577 | 3.19:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #216577 text on white | 6.57:1 | AA | Lc 82.3 | Fine for body text |
| #216577 text on black | 3.19:1 | AA large text | Lc -19.6 | 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
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDCE2
oklch(88.4% 0.019 222.2)
-
Step 300
300
#A9C6D0
oklch(80.8% 0.034 220.6)
-
Step 400
400
#79A9B8
oklch(70.6% 0.056 219.2)
-
Step 500
500
#5494A7
oklch(63.1% 0.072 219.1)
-
Step 600
600
#367E92
oklch(55.6% 0.077 219)
-
Step 700
700 (this color)
#216577
oklch(47.3% 0.072 219)
-
Step 800
800
#225765
oklch(42.8% 0.06 218.1)
-
Step 900
900
#224852
oklch(37.8% 0.046 217.1)
-
Step 950
950
#152A30
oklch(27% 0.029 218.2)
#216577 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) | #5A6278 | 0.062 |
| Deuteranopia (no green cones) | #4E5977 | 0.056 |
| Tritanopia (no blue cones) | #006B6B | 0.034 |
| Achromatopsia (no color) | #5D5D5D | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216577
#216577
oklch(47.3% 0.072 219)
- #7E4D3D
#7E4D3D
oklch(47.2% 0.071 38.8)
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 #216577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.029
- Petrol #005F6A ΔE 0.032
- YInMn Blue #415A77 ΔE 0.042
- Denim #3B638C ΔE 0.045
- Deep Turquoise #017374 ΔE 0.046
- Peacock Blue #016795 ΔE 0.048
- Slate #516572 ΔE 0.048
- Dark Aquamarine #017371 ΔE 0.048
Use #216577 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.