#170E20
Closest named color: Rich Black (#0D1B2A). oklch(18.6% 0.038 306.1), rgb(23, 14, 32).
Aa
White text reads best on this color (18.74:1).
About this color
#170E20 is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.038 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.047 away. White text reads best on it, at 18.74:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.12:1 |
| White text | 18.74:1 |
Values
| HEX | #170E20 |
| RGB | rgb(23, 14, 32) |
| HSL | hsl(270, 39%, 9%) |
| OKLCH | oklch(18.6% 0.038 306.1) |
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 #170E20 | 18.74:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #170E20 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #170E20 text on white | 18.74:1 | AAA | Lc 105.2 | Preferred for body text |
| #170E20 text on black | 1.12:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E6
oklch(88.4% 0.025 306.9)
-
Step 300
300
#C8BAD8
oklch(81% 0.044 306.4)
-
Step 400
400
#AC95C4
oklch(70.6% 0.072 306.9)
-
Step 500
500
#977BB5
oklch(63.1% 0.09 306.1)
-
Step 600
600
#8263A1
oklch(55.6% 0.099 306.4)
-
Step 700
700
#6E528A
oklch(49.1% 0.092 306.3)
-
Step 800
800
#594370
oklch(42.6% 0.077 305.9)
-
Step 900
900
#49395B
oklch(37.7% 0.06 305.3)
-
Step 950
950 (this color)
#170E20
oklch(18.6% 0.038 306.1)
#170E20 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) | #0A1221 | 0.027 |
| Deuteranopia (no green cones) | #0C1220 | 0.024 |
| Tritanopia (no blue cones) | #161115 | 0.028 |
| Achromatopsia (no color) | #121212 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170E20
#170E20
oklch(18.6% 0.038 306.1)
- #0F1603
#0F1603
oklch(18.7% 0.039 125.4)
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 #170E20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.047
- Rich Navy #001219 ΔE 0.049
- Almost Black #070D0D ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.067
- Midnight Purple #280137 ΔE 0.068
- Very Dark Brown #1D0200 ΔE 0.073
- Midnight #03012D ΔE 0.075
- Dark Navy #000435 ΔE 0.077
Use #170E20 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.