#170920
Closest named color: Rich Navy (#001219). oklch(17.5% 0.049 310.4), rgb(23, 9, 32).
Aa
White text reads best on this color (19.15:1).
About this color
#170920 is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.049 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.057 away. White text reads best on it, at 19.15:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.09:1 |
| White text | 19.15:1 |
Values
| HEX | #170920 |
| RGB | rgb(23, 9, 32) |
| HSL | hsl(277, 56%, 8%) |
| OKLCH | oklch(17.5% 0.049 310.4) |
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 #170920 | 19.15:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #170920 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #170920 text on white | 19.15:1 | AAA | Lc 105.4 | Preferred for body text |
| #170920 text on black | 1.09:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#E0D4E9
oklch(88.6% 0.031 311)
-
Step 300
300
#CCB7DD
oklch(80.9% 0.057 309.9)
-
Step 400
400
#B390CC
oklch(70.7% 0.094 310.6)
-
Step 500
500
#A074BF
oklch(63.2% 0.119 310.3)
-
Step 600
600
#8B5BAB
oklch(55.6% 0.13 310.5)
-
Step 700
700
#764B93
oklch(49.2% 0.12 310.2)
-
Step 800
800
#603E77
oklch(42.8% 0.099 310.3)
-
Step 900
900
#4E3560
oklch(37.7% 0.077 309.9)
-
Step 950
950 (this color)
#170920
oklch(17.5% 0.049 310.4)
#170920 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) | #040E21 | 0.041 |
| Deuteranopia (no green cones) | #070F1F | 0.037 |
| Tritanopia (no blue cones) | #160D13 | 0.034 |
| Achromatopsia (no color) | #0F0F0F | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170920
#170920
oklch(17.5% 0.049 310.4)
- #091400
#091400
oklch(17.4% 0.047 130.2)
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 #170920, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.057
- Almost Black #070D0D ΔE 0.058
- Rich Black #0D1B2A ΔE 0.061
- Very Dark Purple #2A0134 ΔE 0.062
- Midnight Purple #280137 ΔE 0.063
- Midnight #03012D ΔE 0.067
- Dark Navy #000435 ΔE 0.073
- Very Dark Brown #1D0200 ΔE 0.073
Use #170920 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.