#42174F
Closest named color: Deep Violet (#490648). oklch(29.9% 0.105 317.5), rgb(66, 23, 79).
Aa
White text reads best on this color (14.31:1).
About this color
#42174F is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.105 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.031 away. White text reads best on it, at 14.31:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.46:1 |
| White text | 14.31:1 |
Values
| HEX | #42174F |
| RGB | rgb(66, 23, 79) |
| HSL | hsl(286, 55%, 20%) |
| OKLCH | oklch(29.9% 0.105 317.5) |
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 #42174F | 14.31:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #42174F | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #42174F text on white | 14.31:1 | AAA | Lc 100.6 | Preferred for body text |
| #42174F text on black | 1.46:1 | 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
#FAF2FD
oklch(97% 0.017 316.9)
-
Step 100
100
#F4E3FA
oklch(93.6% 0.036 317.3)
-
Step 200
200
#ECCBF8
oklch(88.4% 0.07 317)
-
Step 300
300
#E2A7F5
oklch(81% 0.124 317.7)
-
Step 400
400
#D272F0
oklch(70.8% 0.198 317.6)
-
Step 500
500
#C440EB
oklch(63.1% 0.254 317.2)
-
Step 600
600
#AF00D7
oklch(55.7% 0.271 317.4)
-
Step 700
700
#9400B6
oklch(49.2% 0.239 317.5)
-
Step 800
800
#7A0096
oklch(42.7% 0.207 317.7)
-
Step 900
900
#631279
oklch(37.7% 0.166 317.5)
-
Step 950
950 (this color)
#42174F
oklch(29.9% 0.105 317.5)
#42174F 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) | #042751 | 0.102 |
| Deuteranopia (no green cones) | #192C4E | 0.088 |
| Tritanopia (no blue cones) | #422130 | 0.068 |
| Achromatopsia (no color) | #2A2A2A | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42174F
#42174F
oklch(29.9% 0.105 317.5)
- #133700
#133700
oklch(29.8% 0.091 137.3)
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 #42174F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.031
- Plum Purple #4E0550 ΔE 0.035
- Eggplant Purple #430541 ΔE 0.037
- Dark Purple #35063E ΔE 0.054
- Aubergine #3D0734 ΔE 0.056
- Deep Purple #36013F ΔE 0.058
- Eggplant #380835 ΔE 0.059
- Grape Purple #5D1451 ΔE 0.060
Use #42174F 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.