#164F40
Closest named color: Dark Blue Green (#005249). oklch(38.6% 0.064 171.9), rgb(22, 79, 64).
Aa
White text reads best on this color (9.43:1).
About this color
#164F40 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.064 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.016 away. White text reads best on it, at 9.43:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.22:1 |
| White text | 9.43:1 |
Values
| HEX | #164F40 |
| RGB | rgb(22, 79, 64) |
| HSL | hsl(164, 56%, 20%) |
| OKLCH | oklch(38.6% 0.064 171.9) |
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 #164F40 | 9.43:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #164F40 | 2.22:1 | Fails | Lc 12.4 | Not readable |
| #164F40 text on white | 9.43:1 | AAA | Lc 91.6 | Preferred for body text |
| #164F40 text on black | 2.22:1 | Fails | Lc -10.8 | Not readable |
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 900.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C8DFD7
oklch(88.4% 0.027 172.8)
-
Step 300
300
#A2CBBD
oklch(80.9% 0.048 172.2)
-
Step 400
400
#6CB09B
oklch(70.6% 0.076 172.4)
-
Step 500
500
#3E9D83
oklch(63.2% 0.098 172)
-
Step 600
600
#06876C
oklch(55.6% 0.107 172)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#025D4A
oklch(42.7% 0.082 172.4)
-
Step 900
900 (this color)
#164F40
oklch(38.6% 0.064 171.9)
-
Step 950
950
#0E2D24
oklch(27.1% 0.041 171.3)
#164F40 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) | #4C493F | 0.066 |
| Deuteranopia (no green cones) | #444441 | 0.062 |
| Tritanopia (no blue cones) | #00504B | 0.018 |
| Achromatopsia (no color) | #464646 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #164F40
#164F40
oklch(38.6% 0.064 171.9)
- #5E3548
#5E3548
oklch(38.6% 0.064 351.3)
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 #164F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.016
- Dark Teal #014D4E ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.037
- Deep Teal #00555A ΔE 0.042
- Evergreen #05472A ΔE 0.042
- Pine Green #0A481E ΔE 0.053
- Charcoal #264653 ΔE 0.053
- Spruce #0A5F38 ΔE 0.059
Use #164F40 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.