#161745
Closest named color: Navy Blue (#001146). oklch(23.6% 0.084 276.8), rgb(22, 23, 69).
Aa
White text reads best on this color (16.89:1).
About this color
#161745 is a very dark, moderately saturated blue. In OKLCH its lightness is 24%, its chroma 0.084 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 16.89:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.24:1 |
| White text | 16.89:1 |
Values
| HEX | #161745 |
| RGB | rgb(22, 23, 69) |
| HSL | hsl(239, 52%, 18%) |
| OKLCH | oklch(23.6% 0.084 276.8) |
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 #161745 | 16.89:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #161745 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #161745 text on white | 16.89:1 | AAA | Lc 103.6 | Preferred for body text |
| #161745 text on black | 1.24:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FE
oklch(93.7% 0.029 275.2)
-
Step 200
200
#CFD7FE
oklch(88.6% 0.054 276.1)
-
Step 300
300
#B0BBFF
oklch(80.8% 0.097 276.9)
-
Step 400
400
#8995FF
oklch(70.7% 0.154 276.8)
-
Step 500
500
#6F76FF
oklch(63.2% 0.2 276.8)
-
Step 600
600
#5A58F1
oklch(55.6% 0.223 276.9)
-
Step 700
700
#4B47D2
oklch(49.2% 0.207 276.9)
-
Step 800
800
#3D3BA9
oklch(42.6% 0.171 277.1)
-
Step 900
900
#333586
oklch(37.8% 0.133 276.9)
-
Step 950
950 (this color)
#161745
oklch(23.6% 0.084 276.8)
#161745 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) | #001F47 | 0.032 |
| Deuteranopia (no green cones) | #001B44 | 0.028 |
| Tritanopia (no blue cones) | #00222B | 0.072 |
| Achromatopsia (no color) | #1D1D1D | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161745
#161745
oklch(23.6% 0.084 276.8)
- #251E00
#251E00
oklch(23.6% 0.049 96.6)
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 #161745, 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 0.041
- Oxford Blue #1B263B ΔE 0.055
- Rich Black #0D1B2A ΔE 0.058
- Night Blue #040348 ΔE 0.060
- Dark #1B2431 ΔE 0.063
- Midnight Purple #280137 ΔE 0.067
- Darkblue #030764 ΔE 0.070
Use #161745 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.