#176178
Closest named color: Petrol (#005F6A). oklch(46% 0.078 223.8), rgb(23, 97, 120).
Aa
White text reads best on this color (6.95:1).
About this color
#176178 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.078 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.026 away. White text reads best on it, at 6.95:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 3.01:1 |
| White text | 6.95:1 |
Values
| HEX | #176178 |
| RGB | rgb(23, 97, 120) |
| HSL | hsl(194, 68%, 28%) |
| OKLCH | oklch(46% 0.078 223.8) |
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 #176178 | 6.95:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #176178 | 3.01:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #176178 text on white | 6.95:1 | AA | Lc 83.7 | Fine for body text |
| #176178 text on black | 3.01:1 | AA large text | Lc -18.2 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3ECEF
oklch(93.7% 0.01 219.6)
-
Step 200
200
#CBDCE3
oklch(88.4% 0.021 224.3)
-
Step 300
300
#A7C6D3
oklch(80.8% 0.038 225.1)
-
Step 400
400
#77A9BD
oklch(70.7% 0.06 224.8)
-
Step 500
500
#5194AC
oklch(63.2% 0.077 223.5)
-
Step 600
600
#317E97
oklch(55.6% 0.084 222.9)
-
Step 700
700 (this color)
#176178
oklch(46% 0.078 223.8)
-
Step 800
800
#1F5669
oklch(42.6% 0.065 224.4)
-
Step 900
900
#204755
oklch(37.6% 0.05 224.1)
-
Step 950
950
#142A32
oklch(27.1% 0.032 223.6)
#176178 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) | #545F79 | 0.061 |
| Deuteranopia (no green cones) | #475578 | 0.054 |
| Tritanopia (no blue cones) | #006868 | 0.040 |
| Achromatopsia (no color) | #595959 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #176178
#176178
oklch(46% 0.078 223.8)
- #7C4933
#7C4933
oklch(46% 0.078 43.8)
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 #176178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.026
- Dark Aqua #05696B ΔE 0.038
- YInMn Blue #415A77 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.042
- Denim #3B638C ΔE 0.046
- Peacock Blue #016795 ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.057
Use #176178 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.