#193C98
Closest named color: Sapphire (#2138AB). oklch(39.4% 0.156 264.4), rgb(25, 60, 152).
Aa
White text reads best on this color (9.80:1).
About this color
#193C98 is a dark, vivid blue. In OKLCH its lightness is 39%, its chroma 0.156 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.033 away. White text reads best on it, at 9.80:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.14:1 |
| White text | 9.80:1 |
Values
| HEX | #193C98 |
| RGB | rgb(25, 60, 152) |
| HSL | hsl(223, 72%, 35%) |
| OKLCH | oklch(39.4% 0.156 264.4) |
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 #193C98 | 9.80:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #193C98 | 2.14:1 | Fails | Lc 11.8 | Not readable |
| #193C98 text on white | 9.80:1 | AAA | Lc 92.1 | Preferred for body text |
| #193C98 text on black | 2.14:1 | Fails | Lc -10.3 | 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
#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
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#709DFF
oklch(70.7% 0.152 264.2)
-
Step 500
500
#4B80FF
oklch(63.1% 0.197 264.4)
-
Step 600
600
#265FFF
oklch(55.6% 0.244 264.4)
-
Step 700
700
#1549E6
oklch(49.1% 0.241 264.3)
-
Step 800
800
#133DBA
oklch(42.6% 0.201 264.4)
-
Step 900
900 (this color)
#193C98
oklch(39.4% 0.156 264.4)
-
Step 950
950
#0D2156
oklch(26.9% 0.1 264.7)
#193C98 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) | #004A9B | 0.036 |
| Deuteranopia (no green cones) | #003E96 | 0.014 |
| Tritanopia (no blue cones) | #005464 | 0.121 |
| Achromatopsia (no color) | #444444 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #193C98
#193C98
oklch(39.4% 0.156 264.4)
- #5A4200
#5A4200
oklch(39.5% 0.081 85)
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 #193C98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.033
- Cobalt #1E488F ΔE 0.037
- Twilight Blue #0A437A ΔE 0.056
- Blueberry #464196 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.064
- Light Navy #155084 ΔE 0.067
- Dusk Blue #26538D ΔE 0.070
- Indigo Blue #3A18B1 ΔE 0.076
Use #193C98 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.