#171038
Closest named color: Navy Blue (#001146). oklch(21% 0.074 286.1), rgb(23, 16, 56).
Aa
White text reads best on this color (17.98:1).
About this color
#171038 is a very dark, moderately saturated purple. In OKLCH its lightness is 21%, its chroma 0.074 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.045 away. White text reads best on it, at 17.98:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.16:1 |
| White text | 17.98:1 |
Values
| HEX | #171038 |
| RGB | rgb(23, 16, 56) |
| HSL | hsl(251, 56%, 14%) |
| OKLCH | oklch(21% 0.074 286.1) |
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 #171038 | 17.98:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #171038 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #171038 text on white | 17.98:1 | AAA | Lc 104.5 | Preferred for body text |
| #171038 text on black | 1.16:1 | 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
#F4F4FD
oklch(97% 0.012 286.2)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5F9
oklch(88.5% 0.049 286.6)
-
Step 300
300
#BBB9F7
oklch(80.9% 0.087 285.8)
-
Step 400
400
#9A92F4
oklch(70.8% 0.141 285.9)
-
Step 500
500
#8473EF
oklch(63.1% 0.18 286.3)
-
Step 600
600
#6F58DE
oklch(55.7% 0.195 286)
-
Step 700
700
#5D47C1
oklch(49.2% 0.182 285.9)
-
Step 800
800
#4C3B9C
oklch(42.7% 0.151 286.2)
-
Step 900
900
#3F347C
oklch(37.8% 0.118 286.3)
-
Step 950
950 (this color)
#171038
oklch(21% 0.074 286.1)
#171038 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) | #001839 | 0.039 |
| Deuteranopia (no green cones) | #001637 | 0.038 |
| Tritanopia (no blue cones) | #0B1922 | 0.060 |
| Achromatopsia (no color) | #171717 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171038
#171038
oklch(21% 0.074 286.1)
- #1B1900
#1B1900
oklch(20.9% 0.044 105.7)
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 #171038, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.045
- Midnight Purple #280137 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.050
- Very Dark Purple #2A0134 ΔE 0.054
- Dark Indigo #1F0954 ΔE 0.055
- Night Blue #040348 ΔE 0.058
- Dark Navy #000435 ΔE 0.063
- Dark Purple #35063E ΔE 0.070
Use #171038 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.