#193A72
Closest named color: Marine Blue (#01386A). oklch(35.7% 0.104 260.3), rgb(25, 58, 114).
Aa
White text reads best on this color (11.11:1).
About this color
#193A72 is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.104 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.023 away. White text reads best on it, at 11.11:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.88:1 |
| White text | 11.11:1 |
Values
| HEX | #193A72 |
| RGB | rgb(25, 58, 114) |
| HSL | hsl(218, 64%, 27%) |
| OKLCH | oklch(35.7% 0.104 260.3) |
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 #193A72 | 11.11:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #193A72 | 1.88:1 | Fails | Lc 8.5 | Not readable |
| #193A72 text on white | 11.11:1 | AAA | Lc 95.4 | Preferred for body text |
| #193A72 text on black | 1.88:1 | Fails | Lc -7.3 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAF9
oklch(93.5% 0.023 260.7)
-
Step 200
200
#C9DAF7
oklch(88.5% 0.044 261.2)
-
Step 300
300
#A4C2F4
oklch(81% 0.078 260.5)
-
Step 400
400
#72A1EE
oklch(70.8% 0.124 259.9)
-
Step 500
500
#4D87E9
oklch(63.2% 0.16 260.2)
-
Step 600
600
#306ED7
oklch(55.6% 0.174 260.3)
-
Step 700
700
#235BBA
oklch(49% 0.161 260.4)
-
Step 800
800
#1E4B97
oklch(42.7% 0.134 260.3)
-
Step 900
900 (this color)
#193A72
oklch(35.7% 0.104 260.3)
-
Step 950
950
#122646
oklch(27.1% 0.065 259.4)
#193A72 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) | #1C4074 | 0.019 |
| Deuteranopia (no green cones) | #053871 | 0.016 |
| Tritanopia (no blue cones) | #004750 | 0.081 |
| Achromatopsia (no color) | #3C3C3C | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #193A72
#193A72
oklch(35.7% 0.104 260.3)
- #503700
#503700
oklch(35.6% 0.074 80.3)
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 #193A72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.023
- Twilight Blue #0A437A ΔE 0.028
- Prussian Blue #1D3557 ΔE 0.047
- Marine #042E60 ΔE 0.051
- Cobalt #1E488F ΔE 0.061
- Dark Grey Blue #29465B ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.066
- Light Navy #155084 ΔE 0.068
Use #193A72 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.