#18100F
Closest named color: Almost Black (#070D0D). oklch(18.3% 0.014 26.7), rgb(24, 16, 15).
Aa
White text reads best on this color (18.75:1).
About this color
#18100F is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.014. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.039 away. White text reads best on it, at 18.75:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.11:1 |
| White text | 18.75:1 |
Values
| HEX | #18100F |
| RGB | rgb(24, 16, 15) |
| HSL | hsl(7, 23%, 8%) |
| OKLCH | oklch(18.3% 0.014 26.7) |
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 #18100F | 18.75:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #18100F | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #18100F text on white | 18.75:1 | AAA | Lc 105.3 | Preferred for body text |
| #18100F text on black | 1.11:1 | 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
#EDE9E8
oklch(93.7% 0.005 34.3)
-
Step 200
200
#DFD7D6
oklch(88.5% 0.009 26)
-
Step 300
300
#CBBDBB
oklch(80.9% 0.016 27.3)
-
Step 400
400
#B09B98
oklch(70.7% 0.025 27.4)
-
Step 500
500
#9D827F
oklch(63.1% 0.034 25.5)
-
Step 600
600
#876C68
oklch(55.6% 0.035 28)
-
Step 700
700
#735A57
oklch(49.2% 0.033 26.3)
-
Step 800
800
#5D4947
oklch(42.6% 0.028 24.9)
-
Step 900
900
#4D3D3B
oklch(37.7% 0.023 26.5)
-
Step 950
950 (this color)
#18100F
oklch(18.3% 0.014 26.7)
#18100F 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) | #12110F | 0.013 |
| Deuteranopia (no green cones) | #13120F | 0.013 |
| Tritanopia (no blue cones) | #1A0F10 | 0.006 |
| Achromatopsia (no color) | #121212 | 0.014 |
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 #18100F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.039
- Rich Navy #001219 ΔE 0.047
- Very Dark Brown #1D0200 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.058
- Jet #212529 ΔE 0.082
- Dark Brown #341C02 ΔE 0.083
- Dark #1B2431 ΔE 0.084
- Dark Maroon #3C0008 ΔE 0.088
Use #18100F 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.