#161743
Closest named color: Navy Blue (#001146). oklch(23.4% 0.081 277.1), rgb(22, 23, 67).
Aa
White text reads best on this color (16.96:1).
About this color
#161743 is a very dark, moderately saturated blue. In OKLCH its lightness is 23%, its chroma 0.081 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.039 away. White text reads best on it, at 16.96:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.23:1 |
| White text | 16.96:1 |
Values
| HEX | #161743 |
| RGB | rgb(22, 23, 67) |
| HSL | hsl(239, 51%, 17%) |
| OKLCH | oklch(23.4% 0.081 277.1) |
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 #161743 | 16.96:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #161743 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #161743 text on white | 16.96:1 | AAA | Lc 103.7 | Preferred for body text |
| #161743 text on black | 1.23:1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FD
oklch(93.7% 0.027 276.8)
-
Step 200
200
#D0D7FD
oklch(88.6% 0.053 277)
-
Step 300
300
#B1BBFF
oklch(80.9% 0.097 277.5)
-
Step 400
400
#8A95FF
oklch(70.7% 0.154 277.2)
-
Step 500
500
#7076FD
oklch(63.1% 0.197 277.2)
-
Step 600
600
#5B5AEC
oklch(55.6% 0.214 277.2)
-
Step 700
700
#4B49CD
oklch(49.1% 0.198 276.9)
-
Step 800
800
#3D3DA6
oklch(42.7% 0.164 276.9)
-
Step 900
900
#333684
oklch(37.8% 0.128 276.7)
-
Step 950
950 (this color)
#161743
oklch(23.4% 0.081 277.1)
#161743 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 | 0.031 |
| Deuteranopia (no green cones) | #001B42 | 0.029 |
| Tritanopia (no blue cones) | #00222A | 0.071 |
| Achromatopsia (no color) | #1C1C1C | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161743
#161743
oklch(23.4% 0.081 277.1)
- #241E00
#241E00
oklch(23.5% 0.049 98.6)
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 #161743, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.039
- Dark Indigo #1F0954 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.054
- Rich Black #0D1B2A ΔE 0.054
- Night Blue #040348 ΔE 0.060
- Dark #1B2431 ΔE 0.061
- Midnight Purple #280137 ΔE 0.066
- Very Dark Purple #2A0134 ΔE 0.070
Use #161743 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.