#0C225E
Closest named color: Marine (#042E60). oklch(27.9% 0.111 264.7), rgb(12, 34, 94).
Aa
White text reads best on this color (14.93:1).
About this color
#0C225E is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.111 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.034 away. White text reads best on it, at 14.93:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.40:1 |
| White text | 14.93:1 |
Values
| HEX | #0C225E |
| RGB | rgb(12, 34, 94) |
| HSL | hsl(224, 77%, 21%) |
| OKLCH | oklch(27.9% 0.111 264.7) |
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 #0C225E | 14.93:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #0C225E | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #0C225E text on white | 14.93:1 | AAA | Lc 101.4 | Preferred for body text |
| #0C225E text on black | 1.40:1 | 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
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#719DFF
oklch(70.8% 0.152 264.6)
-
Step 500
500
#4C80FF
oklch(63.2% 0.197 264.6)
-
Step 600
600
#285FFF
oklch(55.7% 0.244 264.7)
-
Step 700
700
#0F3EF6
oklch(49% 0.271 264.7)
-
Step 800
800
#0D36C7
oklch(42.7% 0.225 264.6)
-
Step 900
900
#10339C
oklch(37.7% 0.174 264.6)
-
Step 950
950 (this color)
#0C225E
oklch(27.9% 0.111 264.7)
#0C225E 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) | #002B60 | 0.025 |
| Deuteranopia (no green cones) | #00235D | 0.010 |
| Tritanopia (no blue cones) | #00313C | 0.085 |
| Achromatopsia (no color) | #272727 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C225E
#0C225E
oklch(27.9% 0.111 264.7)
- #362600
#362600
oklch(28% 0.057 84.4)
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 #0C225E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.034
- Midnight Blue #191970 ΔE 0.038
- Darkblue #030764 ΔE 0.058
- Dark Indigo #1F0954 ΔE 0.060
- Dark Royal Blue #02066F ΔE 0.060
- Marine Blue #01386A ΔE 0.065
- Deep Blue #040273 ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.066
Use #0C225E 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.