#A42DD3
Closest named color: Dark Orchid (#9932CC). oklch(55.7% 0.242 313.9), rgb(164, 45, 211).
Aa
White text reads best on this color (5.39:1).
About this color
#A42DD3 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.242 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.023 away. White text reads best on it, at 5.39:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.242) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #A42DD3 |
| RGB | rgb(164, 45, 211) |
| HSL | hsl(283, 65%, 50%) |
| OKLCH | oklch(55.7% 0.242 313.9) |
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 #A42DD3 | 5.39:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #A42DD3 | 3.89:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #A42DD3 text on white | 5.39:1 | AA | Lc 75.6 | Fine for body text |
| #A42DD3 text on black | 3.89:1 | AA large text | Lc -26.2 | Dividers and decoration only |
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 600.
-
Step 50
50
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F2E4F9
oklch(93.6% 0.032 314.7)
-
Step 200
200
#E8CEF6
oklch(88.5% 0.061 313.8)
-
Step 300
300
#DAACF2
oklch(80.9% 0.108 313.8)
-
Step 400
400
#C77BEB
oklch(70.6% 0.174 314)
-
Step 500
500
#B853E5
oklch(63.1% 0.222 313.7)
-
Step 600
600 (this color)
#A42DD3
oklch(55.7% 0.242 313.9)
-
Step 700
700
#8C1BB7
oklch(49.1% 0.225 313.7)
-
Step 800
800
#721C94
oklch(42.7% 0.186 313.8)
-
Step 900
900
#5C2076
oklch(37.7% 0.145 313.6)
-
Step 950
950
#361445
oklch(26.9% 0.093 313.9)
#A42DD3 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) | #0064D7 | 0.211 |
| Deuteranopia (no green cones) | #1A6DD0 | 0.209 |
| Tritanopia (no blue cones) | #9F5581 | 0.157 |
| Achromatopsia (no color) | #6A6A6A | 0.244 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A42DD3
#A42DD3
oklch(55.7% 0.242 313.9)
- #498600
#498600
oklch(55.7% 0.159 133.9)
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 #A42DD3, closest first.
No curated palette has a color within ΔE 0.04 of #A42DD3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.023
- Vibrant Purple #AD03DE ΔE 0.033
- Dark Violet #9400D3 ΔE 0.049
- Blue Violet #8A2BE2 ΔE 0.059
- Purply #983FB2 ΔE 0.060
- Bright Violet #AD0AFD ΔE 0.067
- Electric Purple #AA23FF ΔE 0.067
- Vivid Purple #9900FA ΔE 0.071
Use #A42DD3 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.