#17143E
Closest named color: Navy Blue (#001146). oklch(22.4% 0.078 281.3), rgb(23, 20, 62).
Aa
White text reads best on this color (17.41:1).
About this color
#17143E is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.078 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.040 away. White text reads best on it, at 17.41:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.20:1 |
| White text | 17.41:1 |
Values
| HEX | #17143E |
| RGB | rgb(23, 20, 62) |
| HSL | hsl(244, 51%, 16%) |
| OKLCH | oklch(22.4% 0.078 281.3) |
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 #17143E | 17.41:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #17143E | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #17143E text on white | 17.41:1 | AAA | Lc 104.1 | Preferred for body text |
| #17143E 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D3D6FB
oklch(88.6% 0.051 281.6)
-
Step 300
300
#B6BAFB
oklch(80.9% 0.092 281.4)
-
Step 400
400
#9293F9
oklch(70.6% 0.147 281.5)
-
Step 500
500
#7A75F6
oklch(63.1% 0.187 281.3)
-
Step 600
600
#6559E5
oklch(55.6% 0.204 281.3)
-
Step 700
700
#5548C7
oklch(49.2% 0.189 281.5)
-
Step 800
800
#453CA1
oklch(42.7% 0.157 281.4)
-
Step 900
900
#393580
oklch(37.8% 0.123 281.2)
-
Step 950
950 (this color)
#17143E
oklch(22.4% 0.078 281.3)
#17143E 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) | #001B3F | 0.034 |
| Deuteranopia (no green cones) | #00183D | 0.033 |
| Tritanopia (no blue cones) | #051E26 | 0.067 |
| Achromatopsia (no color) | #1A1A1A | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17143E
#17143E
oklch(22.4% 0.078 281.3)
- #201C00
#201C00
oklch(22.4% 0.047 102)
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 #17143E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.040
- Dark Indigo #1F0954 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.050
- Midnight Purple #280137 ΔE 0.057
- Night Blue #040348 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.060
- Very Dark Purple #2A0134 ΔE 0.062
- Dark #1B2431 ΔE 0.063
Use #17143E 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.