#17091D
Closest named color: Almost Black (#070D0D). oklch(17.2% 0.044 314.9), rgb(23, 9, 29).
Aa
White text reads best on this color (19.20:1).
About this color
#17091D is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.044 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.054 away. White text reads best on it, at 19.20:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.09:1 |
| White text | 19.20:1 |
Values
| HEX | #17091D |
| RGB | rgb(23, 9, 29) |
| HSL | hsl(282, 53%, 7%) |
| OKLCH | oklch(17.2% 0.044 314.9) |
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 #17091D | 19.20:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #17091D | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #17091D text on white | 19.20:1 | AAA | Lc 105.5 | Preferred for body text |
| #17091D 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
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E1D4E7
oklch(88.6% 0.029 315.3)
-
Step 300
300
#CEB7D8
oklch(80.9% 0.052 315.7)
-
Step 400
400
#B591C5
oklch(70.8% 0.084 315.3)
-
Step 500
500
#A275B6
oklch(63.1% 0.107 315.1)
-
Step 600
600
#8D5CA2
oklch(55.5% 0.118 315.2)
-
Step 700
700
#784C8B
oklch(49.2% 0.109 315.1)
-
Step 800
800
#613E71
oklch(42.6% 0.091 314.6)
-
Step 900
900
#50355B
oklch(37.7% 0.071 315.7)
-
Step 950
950 (this color)
#17091D
oklch(17.2% 0.044 314.9)
#17091D 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) | #050E1E | 0.039 |
| Deuteranopia (no green cones) | #090F1C | 0.034 |
| Tritanopia (no blue cones) | #170C11 | 0.030 |
| Achromatopsia (no color) | #0F0F0F | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17091D
#17091D
oklch(17.2% 0.044 314.9)
- #071401
#071401
oklch(17.2% 0.046 134.3)
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 #17091D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.054
- Rich Navy #001219 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.062
- Very Dark Purple #2A0134 ΔE 0.066
- Very Dark Brown #1D0200 ΔE 0.067
- Midnight Purple #280137 ΔE 0.067
- Midnight #03012D ΔE 0.071
- Dark Navy Blue #00022E ΔE 0.076
Use #17091D 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.