#193259
Closest named color: Prussian Blue (#1D3557). oklch(31.9% 0.077 259), rgb(25, 50, 89).
Aa
White text reads best on this color (12.79:1).
About this color
#193259 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.077 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.012 away. White text reads best on it, at 12.79:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.64:1 |
| White text | 12.79:1 |
Values
| HEX | #193259 |
| RGB | rgb(25, 50, 89) |
| HSL | hsl(217, 56%, 22%) |
| OKLCH | oklch(31.9% 0.077 259) |
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 #193259 | 12.79:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #193259 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #193259 text on white | 12.79:1 | AAA | Lc 98.7 | Preferred for body text |
| #193259 text on black | 1.64:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DBFB
oklch(88.6% 0.05 258.7)
-
Step 300
300
#9DC2FB
oklch(80.8% 0.091 258.9)
-
Step 400
400
#67A0FA
oklch(70.6% 0.146 259.2)
-
Step 500
500
#3C85F7
oklch(63% 0.186 259.2)
-
Step 600
600
#156CE6
oklch(55.7% 0.201 258.9)
-
Step 700
700
#0459C8
oklch(49.1% 0.187 259)
-
Step 800
800
#0B49A2
oklch(42.7% 0.156 259.2)
-
Step 900
900
#133F80
oklch(37.8% 0.12 258.7)
-
Step 950
950 (this color)
#193259
oklch(31.9% 0.077 259)
#193259 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) | #20355B | 0.014 |
| Deuteranopia (no green cones) | #162F58 | 0.011 |
| Tritanopia (no blue cones) | #003B41 | 0.062 |
| Achromatopsia (no color) | #323232 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #193259
#193259
oklch(31.9% 0.077 259)
- #442E00
#442E00
oklch(31.9% 0.066 79.9)
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 #193259, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.012
- Marine #042E60 ΔE 0.026
- Marine Blue #01386A ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.042
- Midnight Green #073B4C ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.045
- Gunmetal #293241 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.061
Use #193259 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.