#0C1D48
Closest named color: Navy Blue (#001146). oklch(24.6% 0.084 264.7), rgb(12, 29, 72).
Aa
White text reads best on this color (16.34:1).
About this color
#0C1D48 is a very dark, moderately saturated blue. In OKLCH its lightness is 25%, its chroma 0.084 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.041 away. White text reads best on it, at 16.34:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.28:1 |
| White text | 16.34:1 |
Values
| HEX | #0C1D48 |
| RGB | rgb(12, 29, 72) |
| HSL | hsl(223, 71%, 16%) |
| OKLCH | oklch(24.6% 0.084 264.7) |
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 #0C1D48 | 16.34:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #0C1D48 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #0C1D48 text on white | 16.34:1 | AAA | Lc 103.0 | Preferred for body text |
| #0C1D48 text on black | 1.28:1 | 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
#E0EAFE
oklch(93.6% 0.029 264.4)
-
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
#3064F1
oklch(55.6% 0.219 264.7)
-
Step 700
700
#2351D2
oklch(49% 0.205 264.6)
-
Step 800
800
#1E44AA
oklch(42.8% 0.169 264.6)
-
Step 900
900
#1D3B86
oklch(37.7% 0.131 264.5)
-
Step 950
950 (this color)
#0C1D48
oklch(24.6% 0.084 264.7)
#0C1D48 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) | #01234A | 0.019 |
| Deuteranopia (no green cones) | #001D47 | 0.013 |
| Tritanopia (no blue cones) | #00272F | 0.065 |
| Achromatopsia (no color) | #202020 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C1D48
#0C1D48
oklch(24.6% 0.084 264.7)
- #2C1E00
#2C1E00
oklch(24.6% 0.05 83.6)
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 #0C1D48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.047
- Dark Indigo #1F0954 ΔE 0.054
- Dark #1B2431 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.057
- Marine #042E60 ΔE 0.064
- Night Blue #040348 ΔE 0.067
- Darkblue #030764 ΔE 0.068
Use #0C1D48 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.