#192E55
Closest named color: Prussian Blue (#1D3557). oklch(30.6% 0.076 261.7), rgb(25, 46, 85).
Aa
White text reads best on this color (13.43:1).
About this color
#192E55 is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.076 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.023 away. White text reads best on it, at 13.43:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.56:1 |
| White text | 13.43:1 |
Values
| HEX | #192E55 |
| RGB | rgb(25, 46, 85) |
| HSL | hsl(219, 55%, 22%) |
| OKLCH | oklch(30.6% 0.076 261.7) |
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 #192E55 | 13.43:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #192E55 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #192E55 text on white | 13.43:1 | AAA | Lc 99.7 | Preferred for body text |
| #192E55 text on black | 1.56:1 | 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
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A1C1FB
oklch(80.8% 0.09 262.1)
-
Step 400
400
#6E9FF9
oklch(70.7% 0.143 261.7)
-
Step 500
500
#4784F6
oklch(63.2% 0.182 261.6)
-
Step 600
600
#296AE5
oklch(55.6% 0.198 261.6)
-
Step 700
700
#1C57C7
oklch(49% 0.185 261.7)
-
Step 800
800
#1948A1
oklch(42.7% 0.153 261.6)
-
Step 900
900
#1B3E80
oklch(37.8% 0.119 261.6)
-
Step 950
950 (this color)
#192E55
oklch(30.6% 0.076 261.7)
#192E55 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) | #1C3257 | 0.014 |
| Deuteranopia (no green cones) | #132C54 | 0.010 |
| Tritanopia (no blue cones) | #00373D | 0.063 |
| Achromatopsia (no color) | #2F2F2F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #192E55
#192E55
oklch(30.6% 0.076 261.7)
- #3F2B00
#3F2B00
oklch(30.5% 0.063 81.1)
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 #192E55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.023
- Marine #042E60 ΔE 0.025
- Space Cadet #2B2D42 ΔE 0.041
- Marine Blue #01386A ΔE 0.045
- Gunmetal #293241 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.050
- Oxford Blue #1B263B ΔE 0.050
- Midnight Green #073B4C ΔE 0.050
Use #192E55 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.