#166785
Closest named color: Peacock Blue (#016795). oklch(48.2% 0.087 228.7), rgb(22, 103, 133).
Aa
White text reads best on this color (6.33:1).
About this color
#166785 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.087 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.026 away. White text reads best on it, at 6.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #166785 |
| RGB | rgb(22, 103, 133) |
| HSL | hsl(196, 72%, 30%) |
| OKLCH | oklch(48.2% 0.087 228.7) |
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 #166785 | 6.33:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #166785 | 3.31:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #166785 text on white | 6.33:1 | AA | Lc 81.2 | Fine for body text |
| #166785 text on black | 3.31:1 | AA large text | Lc -20.7 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE6
oklch(88.6% 0.024 227.8)
-
Step 300
300
#A5C7D7
oklch(81% 0.043 228)
-
Step 400
400
#73A9C2
oklch(70.6% 0.067 228.7)
-
Step 500
500
#4B94B3
oklch(63.2% 0.086 228.2)
-
Step 600
600
#297D9F
oklch(55.5% 0.094 229.3)
-
Step 700
700 (this color)
#166785
oklch(48.2% 0.087 228.7)
-
Step 800
800
#19566E
oklch(42.6% 0.072 228.6)
-
Step 900
900
#1C4759
oklch(37.6% 0.056 228.6)
-
Step 950
950
#122A34
oklch(27.1% 0.035 227.4)
#166785 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) | #576586 | 0.061 |
| Deuteranopia (no green cones) | #495B85 | 0.053 |
| Tritanopia (no blue cones) | #006F71 | 0.048 |
| Achromatopsia (no color) | #5F5F5F | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166785
#166785
oklch(48.2% 0.087 228.7)
- #854E2F
#854E2F
oklch(48.1% 0.087 49.1)
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 #166785, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.026
- Denim #3B638C ΔE 0.033
- Sea Blue #047495 ΔE 0.041
- Ocean Blue #03719C ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.042
- Dark Aqua #05696B ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Petrol #005F6A ΔE 0.048
Use #166785 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.