#171509
Closest named color: Almost Black (#070D0D). oklch(19.4% 0.022 100), rgb(23, 21, 9).
Aa
White text reads best on this color (18.29:1).
About this color
#171509 is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.049 away. White text reads best on it, at 18.29:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.14:1 |
| White text | 18.29:1 |
Values
| HEX | #171509 |
| RGB | rgb(23, 21, 9) |
| HSL | hsl(51, 44%, 6%) |
| OKLCH | oklch(19.4% 0.022 100) |
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 #171509 | 18.29:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #171509 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #171509 text on white | 18.29:1 | AAA | Lc 105.0 | Preferred for body text |
| #171509 text on black | 1.14:1 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EBEAE4
oklch(93.6% 0.008 98.9)
-
Step 200
200
#DBD9CF
oklch(88.4% 0.014 97.5)
-
Step 300
300
#C4C1AE
oklch(80.8% 0.026 99.6)
-
Step 400
400
#A6A284
oklch(70.8% 0.042 101.1)
-
Step 500
500
#918B65
oklch(63.2% 0.054 100.2)
-
Step 600
600
#7B744C
oklch(55.5% 0.058 99.5)
-
Step 700
700
#68623D
oklch(49.2% 0.055 100.2)
-
Step 800
800
#555032
oklch(42.8% 0.046 99.9)
-
Step 900
900
#46422C
oklch(37.7% 0.035 99.1)
-
Step 950
950 (this color)
#171509
oklch(19.4% 0.022 100)
#171509 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) | #171408 | 0.004 |
| Deuteranopia (no green cones) | #181509 | 0.002 |
| Tritanopia (no blue cones) | #191312 | 0.021 |
| Achromatopsia (no color) | #151515 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171509
#171509
oklch(19.4% 0.022 100)
- #13141F
#13141F
oklch(19.6% 0.022 280.1)
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 #171509, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.049
- Rich Navy #001219 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.061
- Very Dark Brown #1D0200 ΔE 0.065
- Dark Brown #341C02 ΔE 0.071
- Jet #212529 ΔE 0.075
- Dark #1B2431 ΔE 0.080
- Dark Forest Green #002D04 ΔE 0.094
Use #171509 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.