#170D11
Closest named color: Almost Black (#070D0D). oklch(17.5% 0.019 353.5), rgb(23, 13, 17).
Aa
White text reads best on this color (19.05:1).
About this color
#170D11 is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.036 away. White text reads best on it, at 19.05:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.10:1 |
| White text | 19.05:1 |
Values
| HEX | #170D11 |
| RGB | rgb(23, 13, 17) |
| HSL | hsl(336, 28%, 7%) |
| OKLCH | oklch(17.5% 0.019 353.5) |
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 #170D11 | 19.05:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #170D11 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #170D11 text on white | 19.05:1 | AAA | Lc 105.4 | Preferred for body text |
| #170D11 text on black | 1.10:1 | 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
#EEE8EA
oklch(93.6% 0.007 354.8)
-
Step 200
200
#E0D6DA
oklch(88.5% 0.012 351)
-
Step 300
300
#CDBBC2
oklch(80.9% 0.022 352)
-
Step 400
400
#B398A2
oklch(70.7% 0.035 353.7)
-
Step 500
500
#A07F8B
oklch(63.2% 0.044 354.7)
-
Step 600
600
#8B6875
oklch(55.7% 0.048 354.7)
-
Step 700
700
#765663
oklch(49.1% 0.046 352.8)
-
Step 800
800
#604751
oklch(42.8% 0.037 353)
-
Step 900
900
#4F3B43
oklch(37.7% 0.031 352.8)
-
Step 950
950 (this color)
#170D11
oklch(17.5% 0.019 353.5)
#170D11 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) | #0E0F11 | 0.020 |
| Deuteranopia (no green cones) | #101011 | 0.018 |
| Tritanopia (no blue cones) | #190D0E | 0.008 |
| Achromatopsia (no color) | #101010 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170D11
#170D11
oklch(17.5% 0.019 353.5)
- #071310
#071310
oklch(17.4% 0.019 176.6)
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 #170D11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.036
- Rich Navy #001219 ΔE 0.046
- Very Dark Brown #1D0200 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.061
- Dark Maroon #3C0008 ΔE 0.090
- Dark #1B2431 ΔE 0.090
- Jet #212529 ΔE 0.090
- Very Dark Purple #2A0134 ΔE 0.091
Use #170D11 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.