#176C5A
Closest named color: Dark Green Blue (#1F6357). oklch(47.8% 0.083 174.7), rgb(23, 108, 90).
Aa
White text reads best on this color (6.30:1).
About this color
#176C5A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.083 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.028 away. White text reads best on it, at 6.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.32:1 |
| White text | 6.30:1 |
Values
| HEX | #176C5A |
| RGB | rgb(23, 108, 90) |
| HSL | hsl(167, 65%, 26%) |
| OKLCH | oklch(47.8% 0.083 174.7) |
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 #176C5A | 6.30:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #176C5A | 3.32:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #176C5A text on white | 6.30:1 | AA | Lc 81.0 | Fine for body text |
| #176C5A text on black | 3.32:1 | AA large text | Lc -20.8 | 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
#E2ECE9
oklch(93.5% 0.011 176.3)
-
Step 200
200
#CBDED8
oklch(88.5% 0.022 174.9)
-
Step 300
300
#A7CABF
oklch(81% 0.04 174.2)
-
Step 400
400
#75AE9E
oklch(70.7% 0.064 174.9)
-
Step 500
500
#4E9A86
oklch(63.2% 0.082 174.3)
-
Step 600
600
#2C8470
oklch(55.6% 0.089 174.8)
-
Step 700
700 (this color)
#176C5A
oklch(47.8% 0.083 174.7)
-
Step 800
800
#1B5B4D
oklch(42.7% 0.068 175.4)
-
Step 900
900
#1E4B40
oklch(37.8% 0.053 174.9)
-
Step 950
950
#132C25
oklch(27% 0.034 173.4)
#176C5A 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) | #686559 | 0.086 |
| Deuteranopia (no green cones) | #5D5C5B | 0.084 |
| Tritanopia (no blue cones) | #006D67 | 0.020 |
| Achromatopsia (no color) | #606060 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #176C5A
#176C5A
oklch(47.8% 0.083 174.7)
- #814860
#814860
oklch(47.7% 0.083 354)
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 #176C5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.028
- Dark Aqua #05696B ΔE 0.032
- Dark Aquamarine #017371 ΔE 0.036
- Deep Turquoise #017374 ΔE 0.040
- Bluegreen #017A79 ΔE 0.055
- Petrol #005F6A ΔE 0.058
- Spruce #0A5F38 ΔE 0.059
- Deep Aqua #08787F ΔE 0.060
Use #176C5A 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.