#170E17
Closest named color: Almost Black (#070D0D). oklch(18% 0.023 326.5), rgb(23, 14, 23).
Aa
White text reads best on this color (18.89:1).
About this color
#170E17 is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.041 away. White text reads best on it, at 18.89:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.11:1 |
| White text | 18.89:1 |
Values
| HEX | #170E17 |
| RGB | rgb(23, 14, 23) |
| HSL | hsl(300, 24%, 7%) |
| OKLCH | oklch(18% 0.023 326.5) |
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 #170E17 | 18.89:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #170E17 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #170E17 text on white | 18.89:1 | AAA | Lc 105.3 | Preferred for body text |
| #170E17 text on black | 1.11:1 | 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
#F7F5F7
oklch(97.2% 0.003 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#DFD6DE
oklch(88.6% 0.015 329.1)
-
Step 300
300
#CABBCA
oklch(80.9% 0.027 325.8)
-
Step 400
400
#B098AF
oklch(70.8% 0.043 327.3)
-
Step 500
500
#9C7E9C
oklch(63.1% 0.056 326.2)
-
Step 600
600
#866786
oklch(55.5% 0.06 326.3)
-
Step 700
700
#725672
oklch(49.2% 0.056 326.4)
-
Step 800
800
#5D465D
oklch(42.7% 0.047 326.4)
-
Step 900
900
#4C3B4C
oklch(37.7% 0.036 326.3)
-
Step 950
950 (this color)
#170E17
oklch(18% 0.023 326.5)
#170E17 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) | #0D1017 | 0.021 |
| Deuteranopia (no green cones) | #0F1117 | 0.019 |
| Tritanopia (no blue cones) | #180F11 | 0.014 |
| Achromatopsia (no color) | #111111 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170E17
#170E17
oklch(18% 0.023 326.5)
- #0B140C
#0B140C
oklch(17.9% 0.021 147.5)
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 #170E17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.041
- Rich Navy #001219 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.053
- Very Dark Brown #1D0200 ΔE 0.058
- Very Dark Purple #2A0134 ΔE 0.082
- Dark #1B2431 ΔE 0.083
- Midnight Purple #280137 ΔE 0.084
- Jet #212529 ΔE 0.085
Use #170E17 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.