#171E11
Closest named color: Jet (#212529). oklch(22.4% 0.026 131.3), rgb(23, 30, 17).
Aa
White text reads best on this color (17.06:1).
About this color
#171E11 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.050 away. White text reads best on it, at 17.06:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.23:1 |
| White text | 17.06:1 |
Values
| HEX | #171E11 |
| RGB | rgb(23, 30, 17) |
| HSL | hsl(92, 28%, 9%) |
| OKLCH | oklch(22.4% 0.026 131.3) |
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 #171E11 | 17.06:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #171E11 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #171E11 text on white | 17.06:1 | AAA | Lc 104.0 | Preferred for body text |
| #171E11 text on black | 1.23:1 | 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
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D5DCD0
oklch(88.6% 0.018 131.9)
-
Step 300
300
#B9C5B0
oklch(80.8% 0.032 131.6)
-
Step 400
400
#96A787
oklch(70.6% 0.049 130.4)
-
Step 500
500
#7C9269
oklch(63.2% 0.064 131)
-
Step 600
600
#657C51
oklch(55.6% 0.069 131.2)
-
Step 700
700
#546841
oklch(49% 0.064 130.5)
-
Step 800
800
#455536
oklch(42.7% 0.053 130.5)
-
Step 900
900
#3A462F
oklch(37.6% 0.041 130.5)
-
Step 950
950 (this color)
#171E11
oklch(22.4% 0.026 131.3)
#171E11 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) | #1F1C10 | 0.015 |
| Deuteranopia (no green cones) | #1E1C12 | 0.015 |
| Tritanopia (no blue cones) | #171D1B | 0.020 |
| Achromatopsia (no color) | #1C1C1C | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171E11
#171E11
oklch(22.4% 0.026 131.3)
- #1F1824
#1F1824
oklch(22.3% 0.025 310.8)
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 #171E11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.054
- Dark Brown #341C02 ΔE 0.058
- Dark #1B2431 ΔE 0.059
- Dark Forest Green #002D04 ΔE 0.067
- Rich Navy #001219 ΔE 0.068
- Very Dark Green #062E03 ΔE 0.069
- Almost Black #070D0D ΔE 0.075
Use #171E11 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.