#17102D
Closest named color: Rich Black (#0D1B2A). oklch(20% 0.056 291.6), rgb(23, 16, 45).
Aa
White text reads best on this color (18.28:1).
About this color
#17102D is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.056 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.041 away. White text reads best on it, at 18.28:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.28:1 |
Values
| HEX | #17102D |
| RGB | rgb(23, 16, 45) |
| HSL | hsl(254, 48%, 12%) |
| OKLCH | oklch(20% 0.056 291.6) |
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 #17102D | 18.28:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #17102D | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #17102D text on white | 18.28:1 | AAA | Lc 104.9 | Preferred for body text |
| #17102D text on black | 1.14:1 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5F0
oklch(88.4% 0.037 292.4)
-
Step 300
300
#C1BAE9
oklch(81% 0.066 291.7)
-
Step 400
400
#A194DE
oklch(70.6% 0.107 291.5)
-
Step 500
500
#8C78D4
oklch(63.1% 0.136 292)
-
Step 600
600
#765FC1
oklch(55.5% 0.148 291.7)
-
Step 700
700
#644EA7
oklch(49.1% 0.138 291.9)
-
Step 800
800
#514187
oklch(42.8% 0.113 291.4)
-
Step 900
900
#43376C
oklch(37.6% 0.089 292)
-
Step 950
950 (this color)
#17102D
oklch(20% 0.056 291.6)
#17102D 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) | #05152E | 0.032 |
| Deuteranopia (no green cones) | #05142C | 0.032 |
| Tritanopia (no blue cones) | #11161C | 0.046 |
| Achromatopsia (no color) | #151515 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17102D
#17102D
oklch(20% 0.056 291.6)
- #171800
#171800
oklch(20.1% 0.044 111.8)
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 #17102D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.041
- Midnight Purple #280137 ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.056
- Navy Blue #001146 ΔE 0.061
- Rich Navy #001219 ΔE 0.062
- Dark Navy #000435 ΔE 0.066
- Dark #1B2431 ΔE 0.068
- Midnight #03012D ΔE 0.071
Use #17102D 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.