#170E1E
Closest named color: Rich Black (#0D1B2A). oklch(18.4% 0.034 309.2), rgb(23, 14, 30).
Aa
White text reads best on this color (18.78:1).
About this color
#170E1E is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.034 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.048 away. White text reads best on it, at 18.78:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.11:1 |
| White text | 18.78:1 |
Values
| HEX | #170E1E |
| RGB | rgb(23, 14, 30) |
| HSL | hsl(274, 36%, 9%) |
| OKLCH | oklch(18.4% 0.034 309.2) |
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 #170E1E | 18.78:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #170E1E | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #170E1E text on white | 18.78:1 | AAA | Lc 105.3 | Preferred for body text |
| #170E1E 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DDD5E5
oklch(88.4% 0.023 308.2)
-
Step 300
300
#C8BAD5
oklch(80.9% 0.04 308.7)
-
Step 400
400
#AD96C0
oklch(70.8% 0.065 309.5)
-
Step 500
500
#987CB0
oklch(63.2% 0.082 308.7)
-
Step 600
600
#83649B
oklch(55.6% 0.09 309.5)
-
Step 700
700
#6F5385
oklch(49.2% 0.084 309.3)
-
Step 800
800
#5A446C
oklch(42.7% 0.07 308.9)
-
Step 900
900
#4A3957
oklch(37.6% 0.054 309.8)
-
Step 950
950 (this color)
#170E1E
oklch(18.4% 0.034 309.2)
#170E1E 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) | #0B111F | 0.025 |
| Deuteranopia (no green cones) | #0D121E | 0.023 |
| Tritanopia (no blue cones) | #161014 | 0.024 |
| Achromatopsia (no color) | #121212 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170E1E
#170E1E
oklch(18.4% 0.034 309.2)
- #0E1505
#0E1505
oklch(18.3% 0.033 127.8)
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 #170E1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.048
- Rich Navy #001219 ΔE 0.048
- Almost Black #070D0D ΔE 0.051
- Very Dark Brown #1D0200 ΔE 0.070
- Very Dark Purple #2A0134 ΔE 0.070
- Midnight Purple #280137 ΔE 0.071
- Midnight #03012D ΔE 0.077
- Dark #1B2431 ΔE 0.079
Use #170E1E 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.