#170817
Closest named color: Almost Black (#070D0D). oklch(16.6% 0.038 327.1), rgb(23, 8, 23).
Aa
White text reads best on this color (19.38:1).
About this color
#170817 is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.038 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.047 away. White text reads best on it, at 19.38:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.08:1 |
| White text | 19.38:1 |
Values
| HEX | #170817 |
| RGB | rgb(23, 8, 23) |
| HSL | hsl(300, 48%, 6%) |
| OKLCH | oklch(16.6% 0.038 327.1) |
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 #170817 | 19.38:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #170817 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #170817 text on white | 19.38:1 | AAA | Lc 105.6 | Preferred for body text |
| #170817 text on black | 1.08:1 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E3D4E2
oklch(88.6% 0.025 327.8)
-
Step 300
300
#D1B7D0
oklch(80.9% 0.045 327.2)
-
Step 400
400
#B991B8
oklch(70.7% 0.072 327.1)
-
Step 500
500
#A875A7
oklch(63.1% 0.094 327.3)
-
Step 600
600
#925D92
oklch(55.5% 0.101 326.8)
-
Step 700
700
#7D4C7C
oklch(49.1% 0.095 327.6)
-
Step 800
800
#653F65
oklch(42.7% 0.077 326.8)
-
Step 900
900
#533652
oklch(37.8% 0.06 327.9)
-
Step 950
950 (this color)
#170817
oklch(16.6% 0.038 327.1)
#170817 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) | #070C18 | 0.036 |
| Deuteranopia (no green cones) | #0B0E17 | 0.032 |
| Tritanopia (no blue cones) | #18090E | 0.021 |
| Achromatopsia (no color) | #0D0D0D | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170817
#170817
oklch(16.6% 0.038 327.1)
- #031305
#031305
oklch(16.6% 0.039 147.2)
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 #170817, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.047
- Very Dark Brown #1D0200 ΔE 0.055
- Rich Navy #001219 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.069
- Very Dark Purple #2A0134 ΔE 0.075
- Midnight Purple #280137 ΔE 0.077
- Midnight #03012D ΔE 0.078
- Dark Navy Blue #00022E ΔE 0.083
Use #170817 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.