#170D13
Closest named color: Almost Black (#070D0D). oklch(17.6% 0.02 342.7), rgb(23, 13, 19).
Aa
White text reads best on this color (19.03:1).
About this color
#170D13 is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.037 away. White text reads best on it, at 19.03:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.10:1 |
| White text | 19.03:1 |
Values
| HEX | #170D13 |
| RGB | rgb(23, 13, 19) |
| HSL | hsl(324, 28%, 7%) |
| OKLCH | oklch(17.6% 0.02 342.7) |
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 #170D13 | 19.03:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #170D13 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #170D13 text on white | 19.03:1 | AAA | Lc 105.4 | Preferred for body text |
| #170D13 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EDE8EB
oklch(93.6% 0.007 340.4)
-
Step 200
200
#E0D6DB
oklch(88.6% 0.013 345.5)
-
Step 300
300
#CDBBC5
oklch(81% 0.024 343.1)
-
Step 400
400
#B397A7
oklch(70.6% 0.04 342.9)
-
Step 500
500
#A07E92
oklch(63.2% 0.05 342.5)
-
Step 600
600
#8A677C
oklch(55.6% 0.054 342.3)
-
Step 700
700
#755668
oklch(49.2% 0.049 343.3)
-
Step 800
800
#5F4655
oklch(42.6% 0.041 342.3)
-
Step 900
900
#4E3B46
oklch(37.7% 0.032 343.1)
-
Step 950
950 (this color)
#170D13
oklch(17.6% 0.02 342.7)
#170D13 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) | #0E0F13 | 0.020 |
| Deuteranopia (no green cones) | #101113 | 0.020 |
| Tritanopia (no blue cones) | #180D0F | 0.009 |
| Achromatopsia (no color) | #101010 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170D13
#170D13
oklch(17.6% 0.02 342.7)
- #08130E
#08130E
oklch(17.4% 0.019 164.2)
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 #170D13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.037
- Rich Navy #001219 ΔE 0.046
- Very Dark Brown #1D0200 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.059
- Very Dark Purple #2A0134 ΔE 0.088
- Dark #1B2431 ΔE 0.089
- Jet #212529 ΔE 0.090
- Midnight Purple #280137 ΔE 0.090
Use #170D13 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.