#216C56
Closest named color: Dark Green Blue (#1F6357). oklch(47.9% 0.081 169.7), rgb(33, 108, 86).
Aa
White text reads best on this color (6.27:1).
About this color
#216C56 is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.081 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.030 away. White text reads best on it, at 6.27:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #216C56 |
| RGB | rgb(33, 108, 86) |
| HSL | hsl(162, 53%, 28%) |
| OKLCH | oklch(47.9% 0.081 169.7) |
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 #216C56 | 6.27:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #216C56 | 3.34:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #216C56 text on white | 6.27:1 | AA | Lc 81.0 | Fine for body text |
| #216C56 text on black | 3.34:1 | AA large text | Lc -20.9 | 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
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED7
oklch(88.5% 0.021 170.6)
-
Step 300
300
#A9C9BC
oklch(80.9% 0.039 168.8)
-
Step 400
400
#79AE9A
oklch(70.8% 0.063 169)
-
Step 500
500
#539982
oklch(63% 0.08 170.3)
-
Step 600
600
#34846B
oklch(55.7% 0.088 169.4)
-
Step 700
700 (this color)
#216C56
oklch(47.9% 0.081 169.7)
-
Step 800
800
#215B49
oklch(42.7% 0.068 169.5)
-
Step 900
900
#214B3D
oklch(37.8% 0.053 169.2)
-
Step 950
950
#142C24
oklch(27.1% 0.034 170)
#216C56 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) | #696555 | 0.083 |
| Deuteranopia (no green cones) | #5F5D57 | 0.080 |
| Tritanopia (no blue cones) | #006D66 | 0.025 |
| Achromatopsia (no color) | #606060 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216C56
#216C56
oklch(47.9% 0.081 169.7)
- #7F4964
#7F4964
oklch(47.8% 0.082 349.3)
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 #216C56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.030
- Dark Aqua #05696B ΔE 0.039
- Dark Aquamarine #017371 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.045
- Pine #2B5D34 ΔE 0.057
- Spruce #0A5F38 ΔE 0.057
- Bluegreen #017A79 ΔE 0.058
- Petrol #005F6A ΔE 0.063
Use #216C56 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.