#170909
Closest named color: Very Dark Brown (#1D0200). oklch(16.1% 0.025 20.2), rgb(23, 9, 9).
Aa
White text reads best on this color (19.45:1).
About this color
#170909 is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.032 away. White text reads best on it, at 19.45:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.07:1 |
| White text | 19.45:1 |
Values
| HEX | #170909 |
| RGB | rgb(23, 9, 9) |
| HSL | hsl(0, 44%, 6%) |
| OKLCH | oklch(16.1% 0.025 20.2) |
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 #170909 | 19.45:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #170909 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #170909 text on white | 19.45:1 | AAA | Lc 105.6 | Preferred for body text |
| #170909 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E8E7
oklch(93.7% 0.009 26)
-
Step 200
200
#E4D5D4
oklch(88.5% 0.017 22.1)
-
Step 300
300
#D3B9B9
oklch(80.8% 0.03 17.8)
-
Step 400
400
#BD9594
oklch(70.7% 0.048 20)
-
Step 500
500
#AB7B7A
oklch(63% 0.06 20.3)
-
Step 600
600
#966463
oklch(55.6% 0.065 20.6)
-
Step 700
700
#805352
oklch(49.2% 0.061 20.9)
-
Step 800
800
#684443
oklch(42.7% 0.05 21.1)
-
Step 900
900
#553939
oklch(37.7% 0.04 19.1)
-
Step 950
950 (this color)
#170909
oklch(16.1% 0.025 20.2)
#170909 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) | #0C0B09 | 0.026 |
| Deuteranopia (no green cones) | #0F0E09 | 0.025 |
| Tritanopia (no blue cones) | #1A0709 | 0.010 |
| Achromatopsia (no color) | #0D0D0D | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170909
#170909
oklch(16.1% 0.025 20.2)
- #011112
#011112
oklch(16.2% 0.026 199.7)
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 #170909, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.032
- Almost Black #070D0D ΔE 0.036
- Rich Navy #001219 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.079
- Dark Maroon #3C0008 ΔE 0.091
- Dark Brown #341C02 ΔE 0.101
- Midnight #03012D ΔE 0.101
- Very Dark Purple #2A0134 ΔE 0.102
Use #170909 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.