#03163C
Closest named color: Navy Blue (#001146). oklch(21.3% 0.078 261), rgb(3, 22, 60).
Aa
White text reads best on this color (17.73:1).
About this color
#03163C is a very dark, moderately saturated blue. In OKLCH its lightness is 21%, its chroma 0.078 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.024 away. White text reads best on it, at 17.73:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.18:1 |
| White text | 17.73:1 |
Values
| HEX | #03163C |
| RGB | rgb(3, 22, 60) |
| HSL | hsl(220, 90%, 12%) |
| OKLCH | oklch(21.3% 0.078 261) |
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 #03163C | 17.73:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #03163C | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #03163C text on white | 17.73:1 | AAA | Lc 104.2 | Preferred for body text |
| #03163C 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DAFC
oklch(88.4% 0.052 261.1)
-
Step 300
300
#9FC2FD
oklch(81% 0.092 260.7)
-
Step 400
400
#6A9FFC
oklch(70.7% 0.148 261)
-
Step 500
500
#4284FA
oklch(63.2% 0.189 261)
-
Step 600
600
#2169E9
oklch(55.5% 0.206 261.1)
-
Step 700
700
#1457CA
oklch(49.1% 0.19 260.9)
-
Step 800
800
#1448A4
oklch(42.8% 0.158 261)
-
Step 900
900
#173D82
oklch(37.6% 0.124 261.1)
-
Step 950
950 (this color)
#03163C
oklch(21.3% 0.078 261)
#03163C 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) | #001B3D | 0.016 |
| Deuteranopia (no green cones) | #00163B | 0.005 |
| Tritanopia (no blue cones) | #001F26 | 0.058 |
| Achromatopsia (no color) | #181818 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03163C
#03163C
oklch(21.3% 0.078 261)
- #231600
#231600
oklch(21.2% 0.044 80.4)
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 #03163C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.024
- Rich Black #0D1B2A ΔE 0.044
- Night Blue #040348 ΔE 0.049
- Dark Navy #000435 ΔE 0.056
- Dark Indigo #1F0954 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.067
- Dark #1B2431 ΔE 0.068
- Very Dark Blue #000133 ΔE 0.068
Use #03163C 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.