#170317
Closest named color: Very Dark Brown (#1D0200). oklch(15.3% 0.054 327.8), rgb(23, 3, 23).
Aa
White text reads best on this color (19.77:1).
About this color
#170317 is a very dark, muted purple. In OKLCH its lightness is 15%, its chroma 0.054 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.059 away. White text reads best on it, at 19.77:1.
| Hue family | Purples |
| Lightness | very dark (15%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.06:1 |
| White text | 19.77:1 |
Values
| HEX | #170317 |
| RGB | rgb(23, 3, 23) |
| HSL | hsl(300, 77%, 5%) |
| OKLCH | oklch(15.3% 0.054 327.8) |
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 #170317 | 19.77:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #170317 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #170317 text on white | 19.77:1 | AAA | Lc 105.6 | Preferred for body text |
| #170317 text on black | 1.06:1 | 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
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F1E6F0
oklch(93.6% 0.018 328.5)
-
Step 200
200
#E7D1E5
oklch(88.5% 0.036 328.7)
-
Step 300
300
#D8B3D6
oklch(81% 0.063 327.9)
-
Step 400
400
#C389C1
oklch(70.6% 0.103 327.8)
-
Step 500
500
#B36BB1
oklch(63.1% 0.13 328)
-
Step 600
600
#9E519D
oklch(55.6% 0.142 327.8)
-
Step 700
700
#874186
oklch(49.1% 0.132 327.9)
-
Step 800
800
#6E366D
oklch(42.7% 0.11 327.9)
-
Step 900
900
#593058
oklch(37.7% 0.084 328)
-
Step 950
950 (this color)
#170317
oklch(15.3% 0.054 327.8)
#170317 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) | #020818 | 0.055 |
| Deuteranopia (no green cones) | #070B16 | 0.047 |
| Tritanopia (no blue cones) | #18050B | 0.030 |
| Achromatopsia (no color) | #0A0A0A | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170317
#170317
oklch(15.3% 0.054 327.8)
- #001002
#001002
oklch(15.1% 0.045 147)
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 #170317, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.059
- Almost Black #070D0D ΔE 0.061
- Rich Navy #001219 ΔE 0.071
- Very Dark Purple #2A0134 ΔE 0.074
- Midnight #03012D ΔE 0.075
- Midnight Purple #280137 ΔE 0.075
- Dark Navy Blue #00022E ΔE 0.082
- Rich Black #0D1B2A ΔE 0.087
Use #170317 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.