#00163E
Closest named color: Navy Blue (#001146). oklch(21.3% 0.083 259.1), rgb(0, 22, 62).
Aa
White text reads best on this color (17.73:1).
About this color
#00163E is a very dark, moderately saturated blue. In OKLCH its lightness is 21%, its chroma 0.083 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.020 away. White text reads best on it, at 17.73:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.18:1 |
| White text | 17.73:1 |
Values
| HEX | #00163E |
| RGB | rgb(0, 22, 62) |
| HSL | hsl(219, 100%, 12%) |
| OKLCH | oklch(21.3% 0.083 259.1) |
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 #00163E | 17.73:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #00163E | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #00163E text on white | 17.73:1 | AAA | Lc 104.2 | Preferred for body text |
| #00163E text on black | 1.18:1 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C4DBFE
oklch(88.6% 0.054 258.7)
-
Step 300
300
#9BC2FF
oklch(80.8% 0.097 259.2)
-
Step 400
400
#63A0FF
oklch(70.7% 0.154 259)
-
Step 500
500
#3384FF
oklch(63.1% 0.199 259)
-
Step 600
600
#0069EE
oklch(55.5% 0.216 259.1)
-
Step 700
700
#0058CA
oklch(49.1% 0.191 259.1)
-
Step 800
800
#0048A7
oklch(42.7% 0.165 259)
-
Step 900
900
#0D3D85
oklch(37.6% 0.131 259.3)
-
Step 950
950 (this color)
#00163E
oklch(21.3% 0.083 259.1)
#00163E 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) | #001B3F | 0.016 |
| Deuteranopia (no green cones) | #00153D | 0.004 |
| Tritanopia (no blue cones) | #002027 | 0.062 |
| Achromatopsia (no color) | #181818 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00163E
#00163E
oklch(21.3% 0.083 259.1)
- #241600
#241600
oklch(21.3% 0.044 78.3)
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 #00163E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.020
- Night Blue #040348 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.048
- Dark Navy #000435 ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.066
- Very Dark Blue #000133 ΔE 0.067
- Oxford Blue #1B263B ΔE 0.069
- Dark Navy Blue #00022E ΔE 0.071
Use #00163E 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.