#193E60
Closest named color: Prussian Blue (#1D3557). oklch(35.5% 0.073 248.9), rgb(25, 62, 96).
Aa
White text reads best on this color (11.05:1).
About this color
#193E60 is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.073 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.029 away. White text reads best on it, at 11.05:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.89:1 |
| White text | 11.05:1 |
Values
| HEX | #193E60 |
| RGB | rgb(25, 62, 96) |
| HSL | hsl(209, 59%, 24%) |
| OKLCH | oklch(35.5% 0.073 248.9) |
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 #193E60 | 11.05:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #193E60 | 1.89:1 | Fails | Lc 8.6 | Not readable |
| #193E60 text on white | 11.05:1 | AAA | Lc 95.3 | Preferred for body text |
| #193E60 text on black | 1.89:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADBED
oklch(88.4% 0.031 249.7)
-
Step 300
300
#A6C4E3
oklch(80.9% 0.055 249.4)
-
Step 400
400
#75A5D5
oklch(70.6% 0.088 249.2)
-
Step 500
500
#4F8ECA
oklch(63.1% 0.112 249)
-
Step 600
600
#3077B7
oklch(55.6% 0.122 249)
-
Step 700
700
#22649D
oklch(49.1% 0.112 248.6)
-
Step 800
800
#1F5280
oklch(42.8% 0.094 249)
-
Step 900
900 (this color)
#193E60
oklch(35.5% 0.073 248.9)
-
Step 950
950
#13283C
oklch(27% 0.046 248.8)
#193E60 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) | #2F4061 | 0.027 |
| Deuteranopia (no green cones) | #25395F | 0.018 |
| Tritanopia (no blue cones) | #00464A | 0.055 |
| Achromatopsia (no color) | #3C3C3C | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #193E60
#193E60
oklch(35.5% 0.073 248.9)
- #543406
#543406
oklch(35.6% 0.073 69.6)
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 #193E60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.033
- Marine Blue #01386A ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.035
- Midnight Green #073B4C ΔE 0.039
- Charcoal #264653 ΔE 0.042
- Twilight Blue #0A437A ΔE 0.045
- Marine #042E60 ΔE 0.056
Use #193E60 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.