#0D184C
Closest named color: Navy Blue (#001146). oklch(23.9% 0.097 268.6), rgb(13, 24, 76).
Aa
White text reads best on this color (16.77:1).
About this color
#0D184C is a very dark, moderately saturated blue. In OKLCH its lightness is 24%, its chroma 0.097 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.031 away. White text reads best on it, at 16.77:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.25:1 |
| White text | 16.77:1 |
Values
| HEX | #0D184C |
| RGB | rgb(13, 24, 76) |
| HSL | hsl(230, 71%, 17%) |
| OKLCH | oklch(23.9% 0.097 268.6) |
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 #0D184C | 16.77:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #0D184C | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #0D184C text on white | 16.77:1 | AAA | Lc 103.4 | Preferred for body text |
| #0D184C text on black | 1.25:1 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A7BFFF
oklch(81% 0.095 268.4)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500
#597DFF
oklch(63.2% 0.197 268.6)
-
Step 600
600
#3C5AFF
oklch(55.5% 0.245 268.6)
-
Step 700
700
#2F45E4
oklch(49.1% 0.238 268.7)
-
Step 800
800
#263BB8
oklch(42.7% 0.196 268.5)
-
Step 900
900
#223591
oklch(37.7% 0.153 268.7)
-
Step 950
950 (this color)
#0D184C
oklch(23.9% 0.097 268.6)
#0D184C 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) | #00204E | 0.024 |
| Deuteranopia (no green cones) | #001B4B | 0.015 |
| Tritanopia (no blue cones) | #00252F | 0.075 |
| Achromatopsia (no color) | #1D1D1D | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D184C
#0D184C
oklch(23.9% 0.097 268.6)
- #291D00
#291D00
oklch(23.9% 0.049 86.7)
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 #0D184C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.031
- Dark Indigo #1F0954 ΔE 0.041
- Night Blue #040348 ΔE 0.054
- Darkblue #030764 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.063
- Rich Black #0D1B2A ΔE 0.067
- Midnight Blue #191970 ΔE 0.068
- Dark Royal Blue #02066F ΔE 0.069
Use #0D184C 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.