#216E5F
Closest named color: Dark Aquamarine (#017371). oklch(48.8% 0.078 177.2), rgb(33, 110, 95).
Aa
White text reads best on this color (6.06:1).
About this color
#216E5F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.078 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.028 away. White text reads best on it, at 6.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.46:1 |
| White text | 6.06:1 |
Values
| HEX | #216E5F |
| RGB | rgb(33, 110, 95) |
| HSL | hsl(168, 54%, 28%) |
| OKLCH | oklch(48.8% 0.078 177.2) |
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 #216E5F | 6.06:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #216E5F | 3.46:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #216E5F text on white | 6.06:1 | AA | Lc 80.0 | Fine for body text |
| #216E5F text on black | 3.46:1 | AA large text | Lc -21.8 | 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
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CBDED9
oklch(88.5% 0.021 178.3)
-
Step 300
300
#A8C9C0
oklch(80.9% 0.038 177)
-
Step 400
400
#77ADA0
oklch(70.6% 0.06 177.8)
-
Step 500
500
#519989
oklch(63.1% 0.077 177.5)
-
Step 600
600
#318373
oklch(55.5% 0.083 177.9)
-
Step 700
700 (this color)
#216E5F
oklch(48.8% 0.078 177.2)
-
Step 800
800
#1F5A4E
oklch(42.6% 0.064 177.2)
-
Step 900
900
#204A41
oklch(37.6% 0.05 177.5)
-
Step 950
950
#142C26
oklch(27.1% 0.032 175.7)
#216E5F 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) | #6A675E | 0.082 |
| Deuteranopia (no green cones) | #5F5F60 | 0.078 |
| Tritanopia (no blue cones) | #007069 | 0.017 |
| Achromatopsia (no color) | #626262 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216E5F
#216E5F
oklch(48.8% 0.078 177.2)
- #834C60
#834C60
oklch(48.7% 0.079 357.1)
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 #216E5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.028
- Dark Aqua #05696B ΔE 0.031
- Deep Turquoise #017374 ΔE 0.032
- Dark Green Blue #1F6357 ΔE 0.035
- Bluegreen #017A79 ΔE 0.046
- Deep Aqua #08787F ΔE 0.050
- Petrol #005F6A ΔE 0.060
- Teal #008080 ΔE 0.063
Use #216E5F 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.