#100809
Closest named color: Almost Black (#070D0D). oklch(14.7% 0.015 10.1), rgb(16, 8, 9).
Aa
White text reads best on this color (19.79:1).
About this color
#100809 is a very dark close to neutral grey. In OKLCH its lightness is 15%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.025 away. White text reads best on it, at 19.79:1.
| Hue family | Neutrals |
| Lightness | very dark (15%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.06:1 |
| White text | 19.79:1 |
Values
| HEX | #100809 |
| RGB | rgb(16, 8, 9) |
| HSL | hsl(353, 33%, 5%) |
| OKLCH | oklch(14.7% 0.015 10.1) |
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 #100809 | 19.79:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #100809 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #100809 text on white | 19.79:1 | AAA | Lc 105.8 | Preferred for body text |
| #100809 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EDE8E9
oklch(93.5% 0.006 3.3)
-
Step 200
200
#DFD7D7
oklch(88.6% 0.009 17.3)
-
Step 300
300
#CCBCBE
oklch(80.9% 0.018 8.9)
-
Step 400
400
#B19A9C
oklch(70.7% 0.027 11.9)
-
Step 500
500
#9E8184
oklch(63.1% 0.036 11.1)
-
Step 600
600
#886A6E
oklch(55.5% 0.039 9.4)
-
Step 700
700
#74585C
oklch(49% 0.037 9)
-
Step 800
800
#5E484B
oklch(42.6% 0.03 9.3)
-
Step 900
900
#4D3D3F
oklch(37.8% 0.023 9.8)
-
Step 950
950 (this color)
#100809
oklch(14.7% 0.015 10.1)
#100809 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) | #090909 | 0.016 |
| Deuteranopia (no green cones) | #0B0B09 | 0.016 |
| Tritanopia (no blue cones) | #120708 | 0.006 |
| Achromatopsia (no color) | #0A0A0A | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #100809, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.025
- Very Dark Brown #1D0200 ΔE 0.041
- Rich Navy #001219 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.084
- Midnight #03012D ΔE 0.092
- Dark Navy Blue #00022E ΔE 0.095
- Dark Navy #000435 ΔE 0.101
- Very Dark Blue #000133 ΔE 0.104
Use #100809 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.