#011843
Closest named color: Navy Blue (#001146). oklch(22.4% 0.087 260), rgb(1, 24, 67).
Aa
White text reads best on this color (17.31:1).
About this color
#011843 is a very dark, moderately saturated blue. In OKLCH its lightness is 22%, its chroma 0.087 and its hue 260°. 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 17.31:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.21:1 |
| White text | 17.31:1 |
Values
| HEX | #011843 |
| RGB | rgb(1, 24, 67) |
| HSL | hsl(219, 97%, 13%) |
| OKLCH | oklch(22.4% 0.087 260) |
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 #011843 | 17.31:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #011843 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #011843 text on white | 17.31:1 | AAA | Lc 103.8 | Preferred for body text |
| #011843 text on black | 1.21:1 | 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
#C4DAFF
oklch(88.4% 0.057 260.8)
-
Step 300
300
#9CC2FF
oklch(80.9% 0.096 259.7)
-
Step 400
400
#669FFF
oklch(70.7% 0.154 260.3)
-
Step 500
500
#3883FF
oklch(63% 0.199 260)
-
Step 600
600
#0067F4
oklch(55.6% 0.226 260)
-
Step 700
700
#0056CF
oklch(49.1% 0.2 260)
-
Step 800
800
#0046AC
oklch(42.7% 0.175 260)
-
Step 900
900
#0C3C89
oklch(37.7% 0.138 260.1)
-
Step 950
950 (this color)
#011843
oklch(22.4% 0.087 260)
#011843 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) | #001E44 | 0.019 |
| Deuteranopia (no green cones) | #001842 | 0.002 |
| Tritanopia (no blue cones) | #00232A | 0.067 |
| Achromatopsia (no color) | #1B1B1B | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #011843
#011843
oklch(22.4% 0.087 260)
- #271900
#271900
oklch(22.6% 0.047 80.5)
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 #011843, 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 0.053
- Dark Indigo #1F0954 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.064
- Dark Navy #000435 ΔE 0.065
- Darkblue #030764 ΔE 0.066
- Dark #1B2431 ΔE 0.069
Use #011843 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.