#186F70
Closest named color: Deep Turquoise (#017374). oklch(49.4% 0.077 196.1), rgb(24, 111, 112).
Aa
White text reads best on this color (5.92:1).
About this color
#186F70 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.077 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.012 away. White text reads best on it, at 5.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #186F70 |
| RGB | rgb(24, 111, 112) |
| HSL | hsl(181, 65%, 27%) |
| OKLCH | oklch(49.4% 0.077 196.1) |
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 #186F70 | 5.92:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #186F70 | 3.54:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #186F70 text on white | 5.92:1 | AA | Lc 79.3 | Fine for body text |
| #186F70 text on black | 3.54:1 | AA large text | Lc -22.6 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDD
oklch(88.5% 0.021 193.1)
-
Step 300
300
#A5C9C8
oklch(80.9% 0.038 194.3)
-
Step 400
400
#73ADAD
oklch(70.8% 0.06 195.9)
-
Step 500
500
#4A9899
oklch(63.1% 0.077 196.5)
-
Step 600
600
#268283
oklch(55.5% 0.083 196.1)
-
Step 700
700 (this color)
#186F70
oklch(49.4% 0.077 196.1)
-
Step 800
800
#175A5A
oklch(42.8% 0.064 195)
-
Step 900
900
#1C4A4A
oklch(37.8% 0.05 195.3)
-
Step 950
950
#122B2B
oklch(26.9% 0.031 195.5)
#186F70 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) | #676970 | 0.080 |
| Deuteranopia (no green cones) | #5A6071 | 0.075 |
| Tritanopia (no blue cones) | #00736F | 0.014 |
| Achromatopsia (no color) | #646464 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #186F70
#186F70
oklch(49.4% 0.077 196.1)
- #884F52
#884F52
oklch(49.5% 0.077 16.9)
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 #186F70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.012
- Dark Aquamarine #017371 ΔE 0.013
- Dark Aqua #05696B ΔE 0.021
- Deep Aqua #08787F ΔE 0.031
- Bluegreen #017A79 ΔE 0.033
- Dark Green Blue #1F6357 ΔE 0.046
- Teal #008080 ΔE 0.051
- Petrol #005F6A ΔE 0.053
Use #186F70 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.