#193457
Closest named color: Prussian Blue (#1D3557). oklch(32.3% 0.071 255.8), rgb(25, 52, 87).
Aa
White text reads best on this color (12.57:1).
About this color
#193457 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.071 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.006 away. White text reads best on it, at 12.57:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.67:1 |
| White text | 12.57:1 |
Values
| HEX | #193457 |
| RGB | rgb(25, 52, 87) |
| HSL | hsl(214, 55%, 22%) |
| OKLCH | oklch(32.3% 0.071 255.8) |
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 #193457 | 12.57:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #193457 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #193457 text on white | 12.57:1 | AAA | Lc 98.4 | Preferred for body text |
| #193457 text on black | 1.67:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C5DBF8
oklch(88.4% 0.047 255.4)
-
Step 300
300
#9DC3F7
oklch(80.8% 0.085 256.3)
-
Step 400
400
#65A2F3
oklch(70.6% 0.135 256)
-
Step 500
500
#3789EE
oklch(63.1% 0.171 255.6)
-
Step 600
600
#0370DD
oklch(55.7% 0.187 255.7)
-
Step 700
700
#005EBC
oklch(49.2% 0.166 255.7)
-
Step 800
800
#014C9B
oklch(42.6% 0.144 255.9)
-
Step 900
900
#0F417B
oklch(37.8% 0.111 255.3)
-
Step 950
950 (this color)
#193457
oklch(32.3% 0.071 255.8)
#193457 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) | #253758 | 0.019 |
| Deuteranopia (no green cones) | #1C3156 | 0.009 |
| Tritanopia (no blue cones) | #003C41 | 0.057 |
| Achromatopsia (no color) | #333333 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #193457
#193457
oklch(32.3% 0.071 255.8)
- #472E00
#472E00
oklch(32.3% 0.068 76.3)
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 #193457, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.006
- Marine #042E60 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.034
- Marine Blue #01386A ΔE 0.035
- Midnight Green #073B4C ΔE 0.036
- Gunmetal #293241 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.061
Use #193457 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.