#175185
Closest named color: Light Navy (#155084). oklch(42.6% 0.104 249.9), rgb(23, 81, 133).
Aa
White text reads best on this color (8.22:1).
About this color
#175185 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.104 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.004 away. White text reads best on it, at 8.22:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.55:1 |
| White text | 8.22:1 |
Values
| HEX | #175185 |
| RGB | rgb(23, 81, 133) |
| HSL | hsl(208, 71%, 31%) |
| OKLCH | oklch(42.6% 0.104 249.9) |
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 #175185 | 8.22:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #175185 | 2.55:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #175185 text on white | 8.22:1 | AAA | Lc 88.1 | Fine for body text |
| #175185 text on black | 2.55:1 | Fails | Lc -14.1 | Not readable |
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 800.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300
#A3C4E7
oklch(80.8% 0.061 250.1)
-
Step 400
400
#70A5DB
oklch(70.6% 0.098 249.8)
-
Step 500
500
#488ED1
oklch(63.1% 0.124 249.5)
-
Step 600
600
#2676BF
oklch(55.5% 0.136 250.2)
-
Step 700
700
#1863A4
oklch(49% 0.125 249.9)
-
Step 800
800 (this color)
#175185
oklch(42.6% 0.104 249.9)
-
Step 900
900
#1B446B
oklch(37.8% 0.081 249.9)
-
Step 950
950
#11283E
oklch(27% 0.05 249.3)
#175185 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) | #385487 | 0.033 |
| Deuteranopia (no green cones) | #274A84 | 0.022 |
| Tritanopia (no blue cones) | #005D64 | 0.076 |
| Achromatopsia (no color) | #4F4F4F | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175185
#175185
oklch(42.6% 0.104 249.9)
- #6E4400
#6E4400
oklch(42.6% 0.092 70.1)
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 #175185, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.004
- Deep Sea Blue #015482 ΔE 0.013
- Dusk Blue #26538D ΔE 0.019
- Cobalt #1E488F ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.035
- Twilight Blue #0A437A ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.051
- YInMn Blue #415A77 ΔE 0.059
Use #175185 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.