#182011
Closest named color: Jet (#212529). oklch(23.1% 0.03 131.2), rgb(24, 32, 17).
Aa
White text reads best on this color (16.75:1).
About this color
#182011 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.047 away. White text reads best on it, at 16.75:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.25:1 |
| White text | 16.75:1 |
Values
| HEX | #182011 |
| RGB | rgb(24, 32, 17) |
| HSL | hsl(92, 31%, 10%) |
| OKLCH | oklch(23.1% 0.03 131.2) |
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 #182011 | 16.75:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #182011 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #182011 text on white | 16.75:1 | AAA | Lc 103.7 | Preferred for body text |
| #182011 text on black | 1.25:1 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7EBE4
oklch(93.5% 0.01 131.4)
-
Step 200
200
#D4DCCF
oklch(88.5% 0.02 133.1)
-
Step 300
300
#B9C6AE
oklch(81% 0.036 130.6)
-
Step 400
400
#94A884
oklch(70.6% 0.056 131.4)
-
Step 500
500
#7A9365
oklch(63.2% 0.072 131.4)
-
Step 600
600
#637D4B
oklch(55.6% 0.079 130.9)
-
Step 700
700
#52693C
oklch(49% 0.073 130.7)
-
Step 800
800
#435632
oklch(42.7% 0.061 131.2)
-
Step 900
900
#39472C
oklch(37.8% 0.047 130.7)
-
Step 950
950 (this color)
#182011
oklch(23.1% 0.03 131.2)
#182011 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) | #211E10 | 0.017 |
| Deuteranopia (no green cones) | #201D12 | 0.018 |
| Tritanopia (no blue cones) | #181F1C | 0.022 |
| Achromatopsia (no color) | #1E1E1E | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182011
#182011
oklch(23.1% 0.03 131.2)
- #221927
#221927
oklch(23.1% 0.029 313.2)
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 #182011, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.047
- Dark Brown #341C02 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.058
- Dark #1B2431 ΔE 0.058
- Dark Forest Green #002D04 ΔE 0.061
- Very Dark Green #062E03 ΔE 0.063
- Rich Navy #001219 ΔE 0.076
- Oxford Blue #1B263B ΔE 0.076
Use #182011 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.