#163081
Closest named color: Marine Blue (#01386A). oklch(34.7% 0.14 265.6), rgb(22, 48, 129).
Aa
White text reads best on this color (11.83:1).
About this color
#163081 is a dark, vivid blue. In OKLCH its lightness is 35%, its chroma 0.140 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.048 away. White text reads best on it, at 11.83:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.77:1 |
| White text | 11.83:1 |
Values
| HEX | #163081 |
| RGB | rgb(22, 48, 129) |
| HSL | hsl(225, 71%, 30%) |
| OKLCH | oklch(34.7% 0.14 265.6) |
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 #163081 | 11.83:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #163081 | 1.77:1 | Fails | Lc 7.3 | Not readable |
| #163081 text on white | 11.83:1 | AAA | Lc 96.6 | Preferred for body text |
| #163081 text on black | 1.77:1 | 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 900.
-
Step 50
50
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#739CFF
oklch(70.7% 0.152 265.7)
-
Step 500
500
#4F7FFF
oklch(63.1% 0.197 265.6)
-
Step 600
600
#3160F9
oklch(55.6% 0.234 265.7)
-
Step 700
700
#254ED9
oklch(49.1% 0.217 265.7)
-
Step 800
800
#1F41AF
oklch(42.7% 0.179 265.7)
-
Step 900
900 (this color)
#163081
oklch(34.7% 0.14 265.6)
-
Step 950
950
#112251
oklch(26.9% 0.089 265.7)
#163081 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) | #003D84 | 0.034 |
| Deuteranopia (no green cones) | #00337F | 0.015 |
| Tritanopia (no blue cones) | #004553 | 0.110 |
| Achromatopsia (no color) | #373737 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #163081
#163081
oklch(34.7% 0.14 265.6)
- #4A3600
#4A3600
oklch(34.6% 0.071 85.5)
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 #163081, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.048
- Twilight Blue #0A437A ΔE 0.054
- Royal #0C1793 ΔE 0.057
- Marine #042E60 ΔE 0.060
- Midnight Blue #191970 ΔE 0.061
- Cobalt #1E488F ΔE 0.070
- Sapphire #2138AB ΔE 0.075
- Prussian Blue #1D3557 ΔE 0.076
Use #163081 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.