#216558
Closest named color: Dark Green Blue (#1F6357). oklch(46% 0.071 177.9), rgb(33, 101, 88).
Aa
White text reads best on this color (6.84:1).
About this color
#216558 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.071 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.007 away. White text reads best on it, at 6.84:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.06:1 |
| White text | 6.84:1 |
Values
| HEX | #216558 |
| RGB | rgb(33, 101, 88) |
| HSL | hsl(169, 51%, 26%) |
| OKLCH | oklch(46% 0.071 177.9) |
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 #216558 | 6.84:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #216558 | 3.06:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #216558 text on white | 6.84:1 | AA | Lc 83.4 | Fine for body text |
| #216558 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
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CDDDD9
oklch(88.4% 0.018 179.3)
-
Step 300
300
#AAC8C0
oklch(80.8% 0.034 177.5)
-
Step 400
400
#7BACA0
oklch(70.6% 0.055 177.7)
-
Step 500
500
#579889
oklch(63.2% 0.071 177.3)
-
Step 600
600
#3A8273
oklch(55.6% 0.076 177.7)
-
Step 700
700 (this color)
#216558
oklch(46% 0.071 177.9)
-
Step 800
800
#255A4F
oklch(42.8% 0.06 177.6)
-
Step 900
900
#244A41
oklch(37.8% 0.047 176.4)
-
Step 950
950
#162B26
oklch(27% 0.029 177.1)
#216558 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) | #615F57 | 0.075 |
| Deuteranopia (no green cones) | #575759 | 0.072 |
| Tritanopia (no blue cones) | #006761 | 0.016 |
| Achromatopsia (no color) | #5A5A5A | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216558
#216558
oklch(46% 0.071 177.9)
- #784758
#784758
oklch(46.1% 0.071 357.9)
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 #216558, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.007
- Dark Aqua #05696B ΔE 0.029
- Petrol #005F6A ΔE 0.042
- Dark Aquamarine #017371 ΔE 0.049
- Deep Turquoise #017374 ΔE 0.052
- Pine #2B5D34 ΔE 0.052
- Spruce #0A5F38 ΔE 0.053
- Deep Teal #00555A ΔE 0.059
Use #216558 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.