#42174C
Closest named color: Deep Violet (#490648). oklch(29.7% 0.102 319.6), rgb(66, 23, 76).
Aa
White text reads best on this color (14.39:1).
About this color
#42174C is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.102 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.029 away. White text reads best on it, at 14.39:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.45:1 |
| White text | 14.39:1 |
Values
| HEX | #42174C |
| RGB | rgb(66, 23, 76) |
| HSL | hsl(289, 54%, 19%) |
| OKLCH | oklch(29.7% 0.102 319.6) |
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 #42174C | 14.39:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #42174C | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #42174C text on white | 14.39:1 | AAA | Lc 100.7 | Preferred for body text |
| #42174C text on black | 1.45:1 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F5E3F9
oklch(93.7% 0.035 320.1)
-
Step 200
200
#EDCCF5
oklch(88.6% 0.066 319.6)
-
Step 300
300
#E3A7F1
oklch(80.9% 0.12 319.9)
-
Step 400
400
#D372EA
oklch(70.6% 0.193 319.7)
-
Step 500
500
#C642E4
oklch(63.1% 0.247 319.5)
-
Step 600
600
#B100D1
oklch(55.5% 0.267 319.5)
-
Step 700
700
#9600B1
oklch(49.1% 0.236 319.7)
-
Step 800
800
#7C0092
oklch(42.7% 0.205 319.9)
-
Step 900
900
#641475
oklch(37.7% 0.161 319.7)
-
Step 950
950 (this color)
#42174C
oklch(29.7% 0.102 319.6)
#42174C 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) | #08274E | 0.100 |
| Deuteranopia (no green cones) | #1B2B4B | 0.085 |
| Tritanopia (no blue cones) | #42202F | 0.063 |
| Achromatopsia (no color) | #2A2A2A | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42174C
#42174C
oklch(29.7% 0.102 319.6)
- #0C3700
#0C3700
oklch(29.6% 0.094 139.6)
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 #42174C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.029
- Eggplant Purple #430541 ΔE 0.035
- Plum Purple #4E0550 ΔE 0.035
- Aubergine #3D0734 ΔE 0.052
- Dark Purple #35063E ΔE 0.052
- Eggplant #380835 ΔE 0.055
- Deep Purple #36013F ΔE 0.056
- Grape Purple #5D1451 ΔE 0.060
Use #42174C 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.