#176F68
Closest named color: Dark Aquamarine (#017371). oklch(49.1% 0.079 186.8), rgb(23, 111, 104).
Aa
White text reads best on this color (5.98:1).
About this color
#176F68 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.079 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.016 away. White text reads best on it, at 5.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.51:1 |
| White text | 5.98:1 |
Values
| HEX | #176F68 |
| RGB | rgb(23, 111, 104) |
| HSL | hsl(175, 66%, 26%) |
| OKLCH | oklch(49.1% 0.079 186.8) |
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 #176F68 | 5.98:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #176F68 | 3.51:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #176F68 text on white | 5.98:1 | AA | Lc 79.5 | Fine for body text |
| #176F68 text on black | 3.51:1 | AA large text | Lc -22.3 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A6C9C4
oklch(80.9% 0.038 185.9)
-
Step 400
400
#73ADA7
oklch(70.6% 0.061 187.7)
-
Step 500
500
#4B9991
oklch(63.1% 0.078 186.6)
-
Step 600
600
#27837B
oklch(55.5% 0.085 186.6)
-
Step 700
700 (this color)
#176F68
oklch(49.1% 0.079 186.8)
-
Step 800
800
#185A55
oklch(42.6% 0.065 187.7)
-
Step 900
900
#1C4A46
oklch(37.6% 0.051 187.5)
-
Step 950
950
#122C29
oklch(27.1% 0.033 185.7)
#176F68 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) | #696868 | 0.085 |
| Deuteranopia (no green cones) | #5D6069 | 0.079 |
| Tritanopia (no blue cones) | #00726D | 0.011 |
| Achromatopsia (no color) | #636363 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #176F68
#176F68
oklch(49.1% 0.079 186.8)
- #874D59
#874D59
oklch(49.2% 0.079 7.1)
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 #176F68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.016
- Deep Turquoise #017374 ΔE 0.019
- Dark Aqua #05696B ΔE 0.023
- Bluegreen #017A79 ΔE 0.036
- Deep Aqua #08787F ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.040
- Petrol #005F6A ΔE 0.055
- Teal #008080 ΔE 0.055
Use #176F68 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.