#216C55
Closest named color: Dark Green Blue (#1F6357). oklch(47.9% 0.082 168.8), rgb(33, 108, 85).
Aa
White text reads best on this color (6.28:1).
About this color
#216C55 is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.082 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.031 away. White text reads best on it, at 6.28:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #216C55 |
| RGB | rgb(33, 108, 85) |
| HSL | hsl(162, 53%, 28%) |
| OKLCH | oklch(47.9% 0.082 168.8) |
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 #216C55 | 6.28:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #216C55 | 3.34:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #216C55 text on white | 6.28:1 | AA | Lc 81.0 | Fine for body text |
| #216C55 text on black | 3.34:1 | AA large text | Lc -20.8 | 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
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED6
oklch(88.5% 0.022 167.4)
-
Step 300
300
#A9C9BC
oklch(80.9% 0.039 168.8)
-
Step 400
400
#79AE9A
oklch(70.8% 0.063 169)
-
Step 500
500
#539981
oklch(63% 0.081 169.4)
-
Step 600
600
#34846A
oklch(55.6% 0.089 168.6)
-
Step 700
700 (this color)
#216C55
oklch(47.9% 0.082 168.8)
-
Step 800
800
#215B48
oklch(42.7% 0.069 168.4)
-
Step 900
900
#214B3D
oklch(37.8% 0.053 169.2)
-
Step 950
950
#142C23
oklch(27% 0.035 167.4)
#216C55 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) | #696454 | 0.084 |
| Deuteranopia (no green cones) | #5F5D57 | 0.081 |
| Tritanopia (no blue cones) | #006D65 | 0.025 |
| Achromatopsia (no color) | #606060 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216C55
#216C55
oklch(47.9% 0.082 168.8)
- #7F4965
#7F4965
oklch(47.8% 0.082 348.3)
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 #216C55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.031
- Dark Aqua #05696B ΔE 0.040
- Dark Aquamarine #017371 ΔE 0.042
- Deep Turquoise #017374 ΔE 0.046
- Pine #2B5D34 ΔE 0.056
- Spruce #0A5F38 ΔE 0.056
- Bluegreen #017A79 ΔE 0.059
- Petrol #005F6A ΔE 0.064
Use #216C55 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.