#18100D
Closest named color: Almost Black (#070D0D). oklch(18.2% 0.015 41.5), rgb(24, 16, 13).
Aa
White text reads best on this color (18.77:1).
About this color
#18100D is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.015. 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 18.77:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.11:1 |
| White text | 18.77:1 |
Values
| HEX | #18100D |
| RGB | rgb(24, 16, 13) |
| HSL | hsl(16, 30%, 7%) |
| OKLCH | oklch(18.2% 0.015 41.5) |
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 #18100D | 18.77:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #18100D | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #18100D text on white | 18.77:1 | AAA | Lc 105.3 | Preferred for body text |
| #18100D 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E7
oklch(93.7% 0.005 48.7)
-
Step 200
200
#DFD7D4
oklch(88.5% 0.01 41.9)
-
Step 300
300
#CBBDB8
oklch(80.9% 0.017 40.8)
-
Step 400
400
#B19B93
oklch(70.7% 0.029 41)
-
Step 500
500
#9D8379
oklch(63.1% 0.035 42.1)
-
Step 600
600
#886C62
oklch(55.6% 0.039 40.6)
-
Step 700
700
#735A51
oklch(49% 0.036 40.7)
-
Step 800
800
#5E4A42
oklch(42.8% 0.03 42.9)
-
Step 900
900
#4D3E38
oklch(37.8% 0.023 42.9)
-
Step 950
950 (this color)
#18100D
oklch(18.2% 0.015 41.5)
#18100D 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) | #12110D | 0.013 |
| Deuteranopia (no green cones) | #14120D | 0.011 |
| Tritanopia (no blue cones) | #1A0F0F | 0.008 |
| Achromatopsia (no color) | #121212 | 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 #18100D, 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 0.048
- Very Dark Brown #1D0200 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.060
- Dark Brown #341C02 ΔE 0.082
- Jet #212529 ΔE 0.083
- Dark #1B2431 ΔE 0.086
- Dark Maroon #3C0008 ΔE 0.088
Use #18100D 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.