#001842
Closest named color: Navy Blue (#001146). oklch(22.2% 0.086 259), rgb(0, 24, 66).
Aa
White text reads best on this color (17.36:1).
About this color
#001842 is a very dark, moderately saturated blue. In OKLCH its lightness is 22%, its chroma 0.086 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.021 away. White text reads best on it, at 17.36:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.20:1 |
| White text | 17.36:1 |
Values
| HEX | #001842 |
| RGB | rgb(0, 24, 66) |
| HSL | hsl(218, 100%, 13%) |
| OKLCH | oklch(22.2% 0.086 259) |
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 #001842 | 17.36:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #001842 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #001842 text on white | 17.36:1 | AAA | Lc 103.8 | Preferred for body text |
| #001842 text on black | 1.20:1 | 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
#DEEBFE
oklch(93.6% 0.029 257.8)
-
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
#0058CA
oklch(49.1% 0.191 259.1)
-
Step 800
800
#0048A7
oklch(42.7% 0.165 259)
-
Step 900
900
#083D88
oklch(37.7% 0.136 259)
-
Step 950
950 (this color)
#001842
oklch(22.2% 0.086 259)
#001842 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) | #001D43 | 0.016 |
| Deuteranopia (no green cones) | #001741 | 0.004 |
| Tritanopia (no blue cones) | #00232A | 0.065 |
| Achromatopsia (no color) | #1A1A1A | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #001842
#001842
oklch(22.2% 0.086 259)
- #261800
#261800
oklch(22.1% 0.046 79.8)
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 #001842, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.021
- Night Blue #040348 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.051
- Dark Indigo #1F0954 ΔE 0.062
- Dark Navy #000435 ΔE 0.064
- Oxford Blue #1B263B ΔE 0.064
- Darkblue #030764 ΔE 0.068
- Dark #1B2431 ΔE 0.068
Use #001842 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.