#170218
Closest named color: Very Dark Brown (#1D0200). oklch(15.1% 0.059 326.3), rgb(23, 2, 24).
Aa
White text reads best on this color (19.84:1).
About this color
#170218 is a very dark, muted purple. In OKLCH its lightness is 15%, its chroma 0.059 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.063 away. White text reads best on it, at 19.84:1.
| Hue family | Purples |
| Lightness | very dark (15%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.05:1 |
| White text | 19.84:1 |
Values
| HEX | #170218 |
| RGB | rgb(23, 2, 24) |
| HSL | hsl(297, 85%, 5%) |
| OKLCH | oklch(15.1% 0.059 326.3) |
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 #170218 | 19.84:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #170218 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #170218 text on white | 19.84:1 | AAA | Lc 105.6 | Preferred for body text |
| #170218 text on black | 1.05:1 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E5F1
oklch(93.5% 0.02 325.7)
-
Step 200
200
#E7D1E7
oklch(88.5% 0.038 325.9)
-
Step 300
300
#D9B1D9
oklch(80.8% 0.071 326.2)
-
Step 400
400
#C587C6
oklch(70.6% 0.113 326.2)
-
Step 500
500
#B568B7
oklch(63.1% 0.142 326.2)
-
Step 600
600
#A04DA3
oklch(55.6% 0.155 326.1)
-
Step 700
700
#893E8B
oklch(49.2% 0.143 326.5)
-
Step 800
800
#6F3371
oklch(42.6% 0.12 326.2)
-
Step 900
900
#5A2E5B
oklch(37.7% 0.092 326.4)
-
Step 950
950 (this color)
#170218
oklch(15.1% 0.059 326.3)
#170218 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) | #000819 | 0.063 |
| Deuteranopia (no green cones) | #050B17 | 0.054 |
| Tritanopia (no blue cones) | #18040B | 0.033 |
| Achromatopsia (no color) | #0A0A0A | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170218
#170218
oklch(15.1% 0.059 326.3)
- #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 #170218, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.063
- Almost Black #070D0D ΔE 0.066
- Very Dark Purple #2A0134 ΔE 0.072
- Midnight #03012D ΔE 0.074
- Midnight Purple #280137 ΔE 0.074
- Rich Navy #001219 ΔE 0.075
- Dark Navy Blue #00022E ΔE 0.081
- Dark Navy #000435 ΔE 0.086
Use #170218 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.