#171016
Closest named color: Almost Black (#070D0D). oklch(18.5% 0.016 331.1), rgb(23, 16, 22).
Aa
White text reads best on this color (18.71:1).
About this color
#171016 is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.041 away. White text reads best on it, at 18.71:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.12:1 |
| White text | 18.71:1 |
Values
| HEX | #171016 |
| RGB | rgb(23, 16, 22) |
| HSL | hsl(309, 18%, 8%) |
| OKLCH | oklch(18.5% 0.016 331.1) |
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 #171016 | 18.71:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #171016 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #171016 text on white | 18.71:1 | AAA | Lc 105.2 | Preferred for body text |
| #171016 text on black | 1.12:1 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#ECE8EB
oklch(93.5% 0.006 334)
-
Step 200
200
#DDD7DC
oklch(88.5% 0.009 331)
-
Step 300
300
#C8BCC6
oklch(80.8% 0.019 331.1)
-
Step 400
400
#AD9AAA
oklch(70.8% 0.032 331.1)
-
Step 500
500
#988195
oklch(63.1% 0.04 330.3)
-
Step 600
600
#836A7F
oklch(55.6% 0.044 331.6)
-
Step 700
700
#6E596B
oklch(49.1% 0.039 331)
-
Step 800
800
#5A4857
oklch(42.6% 0.034 331.9)
-
Step 900
900
#4A3D48
oklch(37.8% 0.025 331.2)
-
Step 950
950 (this color)
#171016
oklch(18.5% 0.016 331.1)
#171016 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) | #101216 | 0.016 |
| Deuteranopia (no green cones) | #111216 | 0.014 |
| Tritanopia (no blue cones) | #181012 | 0.008 |
| Achromatopsia (no color) | #121212 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171016
#171016
oklch(18.5% 0.016 331.1)
- #0D150F
#0D150F
oklch(18.5% 0.017 152.2)
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 #171016, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.041
- Rich Navy #001219 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.049
- Very Dark Brown #1D0200 ΔE 0.059
- Dark #1B2431 ΔE 0.078
- Jet #212529 ΔE 0.079
- Very Dark Purple #2A0134 ΔE 0.087
- Midnight Purple #280137 ΔE 0.089
Use #171016 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.