#193278
Closest named color: Marine Blue (#01386A). oklch(34.4% 0.124 265.4), rgb(25, 50, 120).
Aa
White text reads best on this color (11.87:1).
About this color
#193278 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.124 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.034 away. White text reads best on it, at 11.87:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.76:1 |
| White text | 11.87:1 |
Values
| HEX | #193278 |
| RGB | rgb(25, 50, 120) |
| HSL | hsl(224, 66%, 28%) |
| OKLCH | oklch(34.4% 0.124 265.4) |
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 #193278 | 11.87:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #193278 | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #193278 text on white | 11.87:1 | AAA | Lc 96.8 | Preferred for body text |
| #193278 text on black | 1.76:1 | 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 900.
-
Step 50
50
#F1F5FE
oklch(97% 0.013 266.7)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C9D9FC
oklch(88.5% 0.051 265.9)
-
Step 300
300
#A4C0FD
oklch(80.9% 0.092 265.3)
-
Step 400
400
#739CFD
oklch(70.6% 0.149 265.5)
-
Step 500
500
#5180FB
oklch(63.1% 0.19 265.5)
-
Step 600
600
#3766EA
oklch(55.7% 0.206 265.3)
-
Step 700
700
#2B53CB
oklch(49% 0.192 265.5)
-
Step 800
800
#2445A4
oklch(42.7% 0.158 265.5)
-
Step 900
900 (this color)
#193278
oklch(34.4% 0.124 265.4)
-
Step 950
950
#13234C
oklch(26.8% 0.079 265.4)
#193278 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) | #003C7A | 0.029 |
| Deuteranopia (no green cones) | #003377 | 0.017 |
| Tritanopia (no blue cones) | #00434F | 0.098 |
| Achromatopsia (no color) | #373737 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #193278
#193278
oklch(34.4% 0.124 265.4)
- #493500
#493500
oklch(34.2% 0.07 85.2)
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 #193278, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.034
- Twilight Blue #0A437A ΔE 0.047
- Marine #042E60 ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.060
- Midnight Blue #191970 ΔE 0.062
- Cobalt #1E488F ΔE 0.071
- Royal #0C1793 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.083
Use #193278 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.