#11255F
Closest named color: Marine (#042E60). oklch(28.9% 0.107 265.6), rgb(17, 37, 95).
Aa
White text reads best on this color (14.44:1).
About this color
#11255F is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.107 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.026 away. White text reads best on it, at 14.44:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.45:1 |
| White text | 14.44:1 |
Values
| HEX | #11255F |
| RGB | rgb(17, 37, 95) |
| HSL | hsl(225, 70%, 22%) |
| OKLCH | oklch(28.9% 0.107 265.6) |
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 #11255F | 14.44:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #11255F | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #11255F text on white | 14.44:1 | AAA | Lc 100.9 | Preferred for body text |
| #11255F text on black | 1.45:1 | 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
#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
#2D5EFF
oklch(55.6% 0.244 265.5)
-
Step 700
700
#1A41F1
oklch(49.1% 0.261 265.5)
-
Step 800
800
#1638C2
oklch(42.7% 0.216 265.6)
-
Step 900
900
#163499
oklch(37.8% 0.168 265.5)
-
Step 950
950 (this color)
#11255F
oklch(28.9% 0.107 265.6)
#11255F 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) | #002D61 | 0.024 |
| Deuteranopia (no green cones) | #00265E | 0.014 |
| Tritanopia (no blue cones) | #00333E | 0.082 |
| Achromatopsia (no color) | #2A2A2A | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11255F
#11255F
oklch(28.9% 0.107 265.6)
- #382800
#382800
oklch(28.8% 0.059 85.3)
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 #11255F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.026
- Midnight Blue #191970 ΔE 0.040
- Marine Blue #01386A ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.056
- Dark Indigo #1F0954 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.067
- Darkblue #030764 ΔE 0.068
- Dark Royal Blue #02066F ΔE 0.069
Use #11255F 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.