#182E69
Closest named color: Marine (#042E60). oklch(32.2% 0.107 265.3), rgb(24, 46, 105).
Aa
White text reads best on this color (12.85:1).
About this color
#182E69 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.107 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.023 away. White text reads best on it, at 12.85:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.63:1 |
| White text | 12.85:1 |
Values
| HEX | #182E69 |
| RGB | rgb(24, 46, 105) |
| HSL | hsl(224, 63%, 25%) |
| OKLCH | oklch(32.2% 0.107 265.3) |
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 #182E69 | 12.85:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #182E69 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #182E69 text on white | 12.85:1 | AAA | Lc 98.7 | Preferred for body text |
| #182E69 text on black | 1.63:1 | 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 950.
-
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
#1841F2
oklch(49.2% 0.262 265.3)
-
Step 800
800
#1438C3
oklch(42.7% 0.217 265.3)
-
Step 900
900
#153499
oklch(37.8% 0.168 265.3)
-
Step 950
950 (this color)
#182E69
oklch(32.2% 0.107 265.3)
#182E69 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) | #04366B | 0.024 |
| Deuteranopia (no green cones) | #002E68 | 0.019 |
| Tritanopia (no blue cones) | #003C46 | 0.086 |
| Achromatopsia (no color) | #323232 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182E69
#182E69
oklch(32.2% 0.107 265.3)
- #423000
#423000
oklch(32.1% 0.066 85.8)
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 #182E69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.023
- Marine Blue #01386A ΔE 0.030
- Prussian Blue #1D3557 ΔE 0.042
- Midnight Blue #191970 ΔE 0.052
- Twilight Blue #0A437A ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.071
- Midnight Green #073B4C ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.073
Use #182E69 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.