#166164
Closest named color: Petrol (#005F6A). oklch(45.1% 0.069 199), rgb(22, 97, 100).
Aa
White text reads best on this color (7.17:1).
About this color
#166164 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.069 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.015 away. White text reads best on it, at 7.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #166164 |
| RGB | rgb(22, 97, 100) |
| HSL | hsl(182, 64%, 24%) |
| OKLCH | oklch(45.1% 0.069 199) |
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 #166164 | 7.17:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #166164 | 2.92:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #166164 text on white | 7.17:1 | AAA | Lc 84.6 | Fine for body text |
| #166164 text on black | 2.92:1 | Fails | Lc -17.4 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEDF
oklch(88.5% 0.022 200.2)
-
Step 300
300
#A3C9CA
oklch(80.9% 0.04 198.4)
-
Step 400
400
#6EADB0
oklch(70.6% 0.065 199.6)
-
Step 500
500
#42999C
oklch(63.2% 0.083 198.4)
-
Step 600
600
#158387
oklch(55.6% 0.09 198.8)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800 (this color)
#166164
oklch(45.1% 0.069 199)
-
Step 900
900
#164A4C
oklch(37.6% 0.054 198.8)
-
Step 950
950
#0F2C2D
oklch(27.2% 0.035 198.4)
#166164 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) | #595C64 | 0.070 |
| Deuteranopia (no green cones) | #4E5464 | 0.066 |
| Tritanopia (no blue cones) | #006562 | 0.015 |
| Achromatopsia (no color) | #575757 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166164
#166164
oklch(45.1% 0.069 199)
- #774546
#774546
oklch(45% 0.069 18.9)
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 #166164, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.015
- Dark Aqua #05696B ΔE 0.024
- Dark Green Blue #1F6357 ΔE 0.024
- Deep Teal #00555A ΔE 0.042
- Dark Aquamarine #017371 ΔE 0.055
- Deep Turquoise #017374 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.057
- YInMn Blue #415A77 ΔE 0.059
Use #166164 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.