#A578DA
Closest named color: Medium Purple (#9370DB). oklch(65.7% 0.147 303.8), rgb(165, 120, 218).
Aa
Black text reads best on this color (6.29:1).
About this color
#A578DA is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.147 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.037 away. Black text reads best on it, at 6.29:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #A578DA |
| RGB | rgb(165, 120, 218) |
| HSL | hsl(268, 57%, 66%) |
| OKLCH | oklch(65.7% 0.147 303.8) |
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 #A578DA | 3.33:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #A578DA | 6.29:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #A578DA text on white | 3.33:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #A578DA text on black | 6.29:1 | AA | Lc -41.1 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F6
oklch(93.7% 0.021 304)
-
Step 200
200
#DED3EF
oklch(88.4% 0.04 303.4)
-
Step 300
300
#CAB6E7
oklch(80.9% 0.071 303.4)
-
Step 400
400
#B08EDB
oklch(70.7% 0.115 303.9)
-
Step 500
500 (this color)
#A578DA
oklch(65.7% 0.147 303.8)
-
Step 600
600
#8856BE
oklch(55.6% 0.16 303.8)
-
Step 700
700
#7346A4
oklch(49.1% 0.148 303.5)
-
Step 800
800
#5E3A85
oklch(42.7% 0.123 303.8)
-
Step 900
900
#4D326B
oklch(37.7% 0.098 304)
-
Step 950
950
#2D1E3E
oklch(27% 0.06 304.3)
#A578DA 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) | #5E8CDE | 0.104 |
| Deuteranopia (no green cones) | #698DD7 | 0.096 |
| Tritanopia (no blue cones) | #9C899F | 0.111 |
| Achromatopsia (no color) | #8D8D8D | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A578DA
#A578DA
oklch(65.7% 0.147 303.8)
- #7FA027
#7FA027
oklch(65.8% 0.148 124)
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 #A578DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.037
- Wisteria #A87DC2 ΔE 0.042
- Light Urple #B36FF6 ΔE 0.053
- Deep Lilac #966EBD ΔE 0.053
- Soft Purple #A66FB5 ΔE 0.056
- Perrywinkle #8F8CE7 ΔE 0.056
- Light Purple #BF77F6 ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.063
Use #A578DA 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.