#100A0F
Closest named color: Almost Black (#070D0D). oklch(15.5% 0.014 332), rgb(16, 10, 15).
Aa
White text reads best on this color (19.58:1).
About this color
#100A0F is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.014. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.023 away. White text reads best on it, at 19.58:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.07:1 |
| White text | 19.58:1 |
Values
| HEX | #100A0F |
| RGB | rgb(16, 10, 15) |
| HSL | hsl(310, 23%, 5%) |
| OKLCH | oklch(15.5% 0.014 332) |
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 #100A0F | 19.58:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #100A0F | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #100A0F text on white | 19.58:1 | AAA | Lc 105.7 | Preferred for body text |
| #100A0F 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#ECE9EB
oklch(93.7% 0.004 337.4)
-
Step 200
200
#DDD7DC
oklch(88.5% 0.009 331)
-
Step 300
300
#C8BDC6
oklch(81% 0.017 331.7)
-
Step 400
400
#AB9BA8
oklch(70.7% 0.026 332.1)
-
Step 500
500
#978293
oklch(63.1% 0.035 332.4)
-
Step 600
600
#816B7D
oklch(55.5% 0.038 332.3)
-
Step 700
700
#6D5A6A
oklch(49.2% 0.035 331.4)
-
Step 800
800
#594956
oklch(42.6% 0.03 332.5)
-
Step 900
900
#493D47
oklch(37.6% 0.023 331.6)
-
Step 950
950 (this color)
#100A0F
oklch(15.5% 0.014 332)
#100A0F 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) | #0A0B0F | 0.013 |
| Deuteranopia (no green cones) | #0B0C0F | 0.013 |
| Tritanopia (no blue cones) | #110A0C | 0.007 |
| Achromatopsia (no color) | #0C0C0C | 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 #100A0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.023
- Rich Navy #001219 ΔE 0.041
- Very Dark Brown #1D0200 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.072
- Midnight #03012D ΔE 0.083
- Dark Navy Blue #00022E ΔE 0.086
- Dark Navy #000435 ΔE 0.091
- Very Dark Blue #000133 ΔE 0.094
Use #100A0F 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.