#051642
Closest named color: Navy Blue (#001146). oklch(22% 0.087 263.8), rgb(5, 22, 66).
Aa
White text reads best on this color (17.50:1).
About this color
#051642 is a very dark, moderately saturated blue. In OKLCH its lightness is 22%, its chroma 0.087 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.018 away. White text reads best on it, at 17.50:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.19:1 |
| White text | 17.50:1 |
Values
| HEX | #051642 |
| RGB | rgb(5, 22, 66) |
| HSL | hsl(223, 86%, 14%) |
| OKLCH | oklch(22% 0.087 263.8) |
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 #051642 | 17.50:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #051642 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #051642 text on white | 17.50:1 | AAA | Lc 104.0 | Preferred for body text |
| #051642 text on black | 1.19:1 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A1C0FF
oklch(80.8% 0.096 264.1)
-
Step 400
400
#6F9DFF
oklch(70.7% 0.152 263.9)
-
Step 500
500
#4980FF
oklch(63% 0.198 264)
-
Step 600
600
#2863F6
oklch(55.6% 0.228 263.8)
-
Step 700
700
#1C51D6
oklch(49.2% 0.211 263.7)
-
Step 800
800
#1843AD
oklch(42.7% 0.176 263.7)
-
Step 900
900
#193A89
oklch(37.6% 0.138 263.8)
-
Step 950
950 (this color)
#051642
oklch(22% 0.087 263.8)
#051642 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) | #001C43 | 0.018 |
| Deuteranopia (no green cones) | #001741 | 0.007 |
| Tritanopia (no blue cones) | #002129 | 0.066 |
| Achromatopsia (no color) | #191919 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051642
#051642
oklch(22% 0.087 263.8)
- #241800
#241800
oklch(21.8% 0.045 83.8)
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 #051642, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.018
- Night Blue #040348 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.053
- Dark Indigo #1F0954 ΔE 0.056
- Dark Navy #000435 ΔE 0.061
- Oxford Blue #1B263B ΔE 0.066
- Darkblue #030764 ΔE 0.066
- Dark #1B2431 ΔE 0.070
Use #051642 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.