#216351
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.073 171.7), rgb(33, 99, 81).
Aa
White text reads best on this color (7.07:1).
About this color
#216351 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.073 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.010 away. White text reads best on it, at 7.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #216351 |
| RGB | rgb(33, 99, 81) |
| HSL | hsl(164, 50%, 26%) |
| OKLCH | oklch(45.3% 0.073 171.7) |
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 #216351 | 7.07:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #216351 | 2.96:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #216351 text on white | 7.07:1 | AAA | Lc 84.3 | Fine for body text |
| #216351 text on black | 2.96:1 | Fails | Lc -17.7 | 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 800.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADED7
oklch(88.4% 0.023 172.8)
-
Step 300
300
#A6CABD
oklch(80.9% 0.043 171.3)
-
Step 400
400
#74AF9B
oklch(70.8% 0.068 171)
-
Step 500
500
#4B9B83
oklch(63.2% 0.088 171.4)
-
Step 600
600
#27856D
oklch(55.6% 0.094 172.1)
-
Step 700
700
#17715B
oklch(49.2% 0.088 171.8)
-
Step 800
800 (this color)
#216351
oklch(45.3% 0.073 171.7)
-
Step 900
900
#1C4B3E
oklch(37.6% 0.056 172.2)
-
Step 950
950
#122C24
oklch(27% 0.036 171.2)
#216351 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) | #605C50 | 0.075 |
| Deuteranopia (no green cones) | #575652 | 0.072 |
| Tritanopia (no blue cones) | #00645E | 0.022 |
| Achromatopsia (no color) | #585858 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216351
#216351
oklch(45.3% 0.073 171.7)
- #75445A
#75445A
oklch(45.2% 0.074 352)
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 #216351, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.010
- Dark Aqua #05696B ΔE 0.040
- Pine #2B5D34 ΔE 0.041
- Spruce #0A5F38 ΔE 0.042
- Petrol #005F6A ΔE 0.048
- Deep Teal #00555A ΔE 0.057
- Dark Aquamarine #017371 ΔE 0.059
- Dark Blue Green #005249 ΔE 0.060
Use #216351 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.