#170518
Closest named color: Almost Black (#070D0D). oklch(15.9% 0.048 325.6), rgb(23, 5, 24).
Aa
White text reads best on this color (19.60:1).
About this color
#170518 is a very dark, muted purple. In OKLCH its lightness is 16%, its chroma 0.048 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.056 away. White text reads best on it, at 19.60:1.
| Hue family | Purples |
| Lightness | very dark (16%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.07:1 |
| White text | 19.60:1 |
Values
| HEX | #170518 |
| RGB | rgb(23, 5, 24) |
| HSL | hsl(297, 66%, 6%) |
| OKLCH | oklch(15.9% 0.048 325.6) |
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 #170518 | 19.60:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #170518 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #170518 text on white | 19.60:1 | AAA | Lc 105.6 | Preferred for body text |
| #170518 text on black | 1.07:1 | 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
#F0E6F0
oklch(93.6% 0.017 325.7)
-
Step 200
200
#E5D2E5
oklch(88.5% 0.033 325.9)
-
Step 300
300
#D5B4D5
oklch(80.9% 0.058 326.1)
-
Step 400
400
#BE8DC0
oklch(70.7% 0.091 325.2)
-
Step 500
500
#AD6FB0
oklch(63% 0.118 325.2)
-
Step 600
600
#98569B
oklch(55.5% 0.127 325.5)
-
Step 700
700
#824685
oklch(49.1% 0.119 325.4)
-
Step 800
800
#6A3A6C
oklch(42.8% 0.098 325.7)
-
Step 900
900
#563257
oklch(37.6% 0.076 326)
-
Step 950
950 (this color)
#170518
oklch(15.9% 0.048 325.6)
#170518 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) | #030A19 | 0.049 |
| Deuteranopia (no green cones) | #080D17 | 0.043 |
| Tritanopia (no blue cones) | #18070D | 0.027 |
| Achromatopsia (no color) | #0C0C0C | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170518
#170518
oklch(15.9% 0.048 325.6)
- #001202
#001202
oklch(15.9% 0.048 146.3)
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 #170518, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.056
- Very Dark Brown #1D0200 ΔE 0.058
- Rich Navy #001219 ΔE 0.064
- Very Dark Purple #2A0134 ΔE 0.072
- Midnight #03012D ΔE 0.074
- Midnight Purple #280137 ΔE 0.074
- Rich Black #0D1B2A ΔE 0.078
- Dark Navy Blue #00022E ΔE 0.081
Use #170518 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.