#001A49
Closest named color: Navy Blue (#001146). oklch(23.4% 0.094 259.7), rgb(0, 26, 73).
Aa
White text reads best on this color (16.88:1).
About this color
#001A49 is a very dark, moderately saturated blue. In OKLCH its lightness is 23%, its chroma 0.094 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.026 away. White text reads best on it, at 16.88:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.24:1 |
| White text | 16.88:1 |
Values
| HEX | #001A49 |
| RGB | rgb(0, 26, 73) |
| HSL | hsl(219, 100%, 14%) |
| OKLCH | oklch(23.4% 0.094 259.7) |
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 #001A49 | 16.88:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #001A49 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #001A49 text on white | 16.88:1 | AAA | Lc 103.4 | Preferred for body text |
| #001A49 text on black | 1.24:1 | 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
#DEEBFF
oklch(93.6% 0.031 258.9)
-
Step 200
200
#C4DBFF
oklch(88.6% 0.056 259.3)
-
Step 300
300
#9CC2FF
oklch(80.9% 0.096 259.7)
-
Step 400
400
#65A0FF
oklch(70.8% 0.153 259.5)
-
Step 500
500
#3783FF
oklch(63% 0.199 259.9)
-
Step 600
600
#0068F2
oklch(55.6% 0.223 259.6)
-
Step 700
700
#0057CD
oklch(49.1% 0.196 259.6)
-
Step 800
800
#0047AA
oklch(42.8% 0.171 259.6)
-
Step 900
900
#023B8E
oklch(37.7% 0.148 259.6)
-
Step 950
950 (this color)
#001A49
oklch(23.4% 0.094 259.7)
#001A49 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) | #00204B | 0.019 |
| Deuteranopia (no green cones) | #001A48 | 0.002 |
| Tritanopia (no blue cones) | #00262E | 0.071 |
| Achromatopsia (no color) | #1D1D1D | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #001A49
#001A49
oklch(23.4% 0.094 259.7)
- #2A1B00
#2A1B00
oklch(23.5% 0.049 80)
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 #001A49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.026
- Night Blue #040348 ΔE 0.053
- Dark Indigo #1F0954 ΔE 0.056
- Darkblue #030764 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.061
- Oxford Blue #1B263B ΔE 0.062
- Dark #1B2431 ΔE 0.070
- Marine #042E60 ΔE 0.073
Use #001A49 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.