#216556
Closest named color: Dark Green Blue (#1F6357). oklch(46% 0.072 175.5), rgb(33, 101, 86).
Aa
White text reads best on this color (6.86:1).
About this color
#216556 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.072 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.008 away. White text reads best on it, at 6.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.06:1 |
| White text | 6.86:1 |
Values
| HEX | #216556 |
| RGB | rgb(33, 101, 86) |
| HSL | hsl(167, 51%, 26%) |
| OKLCH | oklch(46% 0.072 175.5) |
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 #216556 | 6.86:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #216556 | 3.06:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #216556 text on white | 6.86:1 | AA | Lc 83.5 | Fine for body text |
| #216556 text on black | 3.06:1 | AA large text | Lc -18.5 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDED8
oklch(88.6% 0.02 172.7)
-
Step 300
300
#AAC8BF
oklch(80.8% 0.035 175.4)
-
Step 400
400
#7CAC9F
oklch(70.6% 0.055 176)
-
Step 500
500
#589887
oklch(63.2% 0.071 174.9)
-
Step 600
600
#3A8271
oklch(55.5% 0.077 175.6)
-
Step 700
700 (this color)
#216556
oklch(46% 0.072 175.5)
-
Step 800
800
#265A4D
oklch(42.8% 0.06 174.6)
-
Step 900
900
#244A40
oklch(37.8% 0.047 174.5)
-
Step 950
950
#162B26
oklch(27% 0.029 177.1)
#216556 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) | #615F55 | 0.075 |
| Deuteranopia (no green cones) | #575757 | 0.072 |
| Tritanopia (no blue cones) | #006661 | 0.019 |
| Achromatopsia (no color) | #5A5A5A | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216556
#216556
oklch(46% 0.072 175.5)
- #78465A
#78465A
oklch(45.9% 0.073 354.9)
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 #216556, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.008
- Dark Aqua #05696B ΔE 0.032
- Petrol #005F6A ΔE 0.045
- Pine #2B5D34 ΔE 0.049
- Spruce #0A5F38 ΔE 0.050
- Dark Aquamarine #017371 ΔE 0.051
- Deep Turquoise #017374 ΔE 0.054
- Deep Teal #00555A ΔE 0.060
Use #216556 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.