#001944
Closest named color: Navy Blue (#001146). oklch(22.7% 0.088 259), rgb(0, 25, 68).
Aa
White text reads best on this color (17.17:1).
About this color
#001944 is a very dark, moderately saturated blue. In OKLCH its lightness is 23%, its chroma 0.088 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.023 away. White text reads best on it, at 17.17:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.22:1 |
| White text | 17.17:1 |
Values
| HEX | #001944 |
| RGB | rgb(0, 25, 68) |
| HSL | hsl(218, 100%, 13%) |
| OKLCH | oklch(22.7% 0.088 259) |
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 #001944 | 17.17:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #001944 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #001944 text on white | 17.17:1 | AAA | Lc 103.7 | Preferred for body text |
| #001944 text on black | 1.22:1 | 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
#C3DBFF
oklch(88.5% 0.056 258.4)
-
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
#006AEE
oklch(55.7% 0.215 258.9)
-
Step 700
700
#0058C9
oklch(49% 0.19 259)
-
Step 800
800
#0048A7
oklch(42.7% 0.165 259)
-
Step 900
900
#063D89
oklch(37.8% 0.138 258.8)
-
Step 950
950 (this color)
#001944
oklch(22.7% 0.088 259)
#001944 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) | #001F45 | 0.019 |
| Deuteranopia (no green cones) | #001843 | 0.004 |
| Tritanopia (no blue cones) | #00242B | 0.067 |
| Achromatopsia (no color) | #1B1B1B | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #001944
#001944
oklch(22.7% 0.088 259)
- #281900
#281900
oklch(22.7% 0.047 78.6)
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 #001944, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.023
- Night Blue #040348 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.054
- Dark Indigo #1F0954 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.062
- Darkblue #030764 ΔE 0.065
- Dark #1B2431 ΔE 0.068
- Dark Navy #000435 ΔE 0.068
Use #001944 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.