#17325E
Closest named color: Prussian Blue (#1D3557). oklch(32.2% 0.085 259.7), rgb(23, 50, 94).
Aa
White text reads best on this color (12.69:1).
About this color
#17325E is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.085 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.019 away. White text reads best on it, at 12.69:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.69:1 |
Values
| HEX | #17325E |
| RGB | rgb(23, 50, 94) |
| HSL | hsl(217, 61%, 23%) |
| OKLCH | oklch(32.2% 0.085 259.7) |
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 #17325E | 12.69:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #17325E | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #17325E text on white | 12.69:1 | AAA | Lc 98.5 | Preferred for body text |
| #17325E text on black | 1.65:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFE
oklch(93.7% 0.029 259.6)
-
Step 200
200
#C4DBFF
oklch(88.6% 0.056 259.3)
-
Step 300
300
#9CC2FF
oklch(80.9% 0.096 259.7)
-
Step 400
400
#65A0FF
oklch(70.8% 0.153 259.5)
-
Step 500
500
#3783FF
oklch(63% 0.199 259.9)
-
Step 600
600
#0068F2
oklch(55.6% 0.223 259.6)
-
Step 700
700
#0057CD
oklch(49.1% 0.196 259.6)
-
Step 800
800
#0047AA
oklch(42.8% 0.171 259.6)
-
Step 900
900
#0D3D87
oklch(37.8% 0.134 259.6)
-
Step 950
950 (this color)
#17325E
oklch(32.2% 0.085 259.7)
#17325E 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) | #1D3660 | 0.015 |
| Deuteranopia (no green cones) | #10305D | 0.010 |
| Tritanopia (no blue cones) | #003C43 | 0.067 |
| Achromatopsia (no color) | #333333 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17325E
#17325E
oklch(32.2% 0.085 259.7)
- #452F00
#452F00
oklch(32.3% 0.067 80.4)
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 #17325E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.019
- Marine #042E60 ΔE 0.021
- Marine Blue #01386A ΔE 0.027
- Dark Blue Grey #1F3B4D ΔE 0.048
- Midnight Green #073B4C ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.054
- Gunmetal #293241 ΔE 0.056
- Twilight Blue #0A437A ΔE 0.065
Use #17325E 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.