#166756
Closest named color: Dark Green Blue (#1F6357). oklch(46.2% 0.08 174.9), rgb(22, 103, 86).
Aa
White text reads best on this color (6.75:1).
About this color
#166756 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.080 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.014 away. White text reads best on it, at 6.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.10:1 |
| White text | 6.75:1 |
Values
| HEX | #166756 |
| RGB | rgb(22, 103, 86) |
| HSL | hsl(167, 65%, 25%) |
| OKLCH | oklch(46.2% 0.08 174.9) |
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 #166756 | 6.75:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #166756 | 3.10:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #166756 text on white | 6.75:1 | AA | Lc 82.9 | Fine for body text |
| #166756 text on black | 3.10:1 | AA large text | Lc -19.0 | 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
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CBDED8
oklch(88.5% 0.022 174.9)
-
Step 300
300
#A8C9BF
oklch(80.9% 0.038 175)
-
Step 400
400
#77AE9E
oklch(70.8% 0.063 174.3)
-
Step 500
500
#519987
oklch(63.1% 0.078 175.5)
-
Step 600
600
#308470
oklch(55.7% 0.087 174.4)
-
Step 700
700 (this color)
#166756
oklch(46.2% 0.08 174.9)
-
Step 800
800
#1F5B4D
oklch(42.8% 0.066 174.8)
-
Step 900
900
#204B40
oklch(37.9% 0.052 174.4)
-
Step 950
950
#142C25
oklch(27.1% 0.033 172.8)
#166756 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) | #636055 | 0.083 |
| Deuteranopia (no green cones) | #585857 | 0.079 |
| Tritanopia (no blue cones) | #006862 | 0.019 |
| Achromatopsia (no color) | #5B5B5B | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166756
#166756
oklch(46.2% 0.08 174.9)
- #7B455B
#7B455B
oklch(46.2% 0.079 354.7)
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 #166756, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.014
- Dark Aqua #05696B ΔE 0.032
- Dark Aquamarine #017371 ΔE 0.048
- Spruce #0A5F38 ΔE 0.048
- Petrol #005F6A ΔE 0.049
- Pine #2B5D34 ΔE 0.050
- Deep Turquoise #017374 ΔE 0.051
- Deep Teal #00555A ΔE 0.064
Use #166756 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.