#193790
Closest named color: Sapphire (#2138AB). oklch(37.6% 0.151 265.3), rgb(25, 55, 144).
Aa
White text reads best on this color (10.54:1).
About this color
#193790 is a dark, vivid blue. In OKLCH its lightness is 38%, its chroma 0.151 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.046 away. White text reads best on it, at 10.54:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #193790 |
| RGB | rgb(25, 55, 144) |
| HSL | hsl(225, 70%, 33%) |
| OKLCH | oklch(37.6% 0.151 265.3) |
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 #193790 | 10.54:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #193790 | 1.99:1 | Fails | Lc 10.1 | Not readable |
| #193790 text on white | 10.54:1 | AAA | Lc 93.9 | Preferred for body text |
| #193790 text on black | 1.99:1 | Fails | Lc -8.7 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4E7FFF
oklch(63% 0.198 265.3)
-
Step 600
600
#2C5EFF
oklch(55.6% 0.244 265.3)
-
Step 700
700
#1E4AE3
oklch(49.2% 0.235 265.2)
-
Step 800
800
#1A3EB7
oklch(42.7% 0.194 265.4)
-
Step 900
900 (this color)
#193790
oklch(37.6% 0.151 265.3)
-
Step 950
950
#0F2154
oklch(26.8% 0.096 265.5)
#193790 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) | #004593 | 0.036 |
| Deuteranopia (no green cones) | #003A8E | 0.015 |
| Tritanopia (no blue cones) | #004E5E | 0.117 |
| Achromatopsia (no color) | #3F3F3F | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #193790
#193790
oklch(37.6% 0.151 265.3)
- #543D00
#543D00
oklch(37.5% 0.077 84.5)
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 #193790, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.046
- Cobalt #1E488F ΔE 0.047
- Twilight Blue #0A437A ΔE 0.051
- Royal #0C1793 ΔE 0.067
- Marine Blue #01386A ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.068
- Blueberry #464196 ΔE 0.068
- Light Navy #155084 ΔE 0.074
Use #193790 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.