#A478E4
Closest named color: Medium Purple (#9370DB). oklch(66.2% 0.16 300.9), rgb(164, 120, 228).
Aa
Black text reads best on this color (6.38:1).
About this color
#A478E4 is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.160 and its hue 301°. 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 6.38:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #A478E4 |
| RGB | rgb(164, 120, 228) |
| HSL | hsl(264, 67%, 68%) |
| OKLCH | oklch(66.2% 0.16 300.9) |
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 #A478E4 | 3.28:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #A478E4 | 6.38:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #A478E4 text on white | 3.28:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #A478E4 text on black | 6.38:1 | AA | Lc -41.7 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DED3F2
oklch(88.5% 0.044 301.7)
-
Step 300
300
#C9B5EC
oklch(80.8% 0.079 301.3)
-
Step 400
400
#AE8DE2
oklch(70.7% 0.125 301.1)
-
Step 500
500 (this color)
#A478E4
oklch(66.2% 0.16 300.9)
-
Step 600
600
#8654C7
oklch(55.6% 0.173 301)
-
Step 700
700
#7243AC
oklch(49.1% 0.162 301.3)
-
Step 800
800
#5C388B
oklch(42.6% 0.134 300.9)
-
Step 900
900
#4C316F
oklch(37.6% 0.105 301.7)
-
Step 950
950
#2C1E41
oklch(27.1% 0.065 300.6)
#A478E4 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) | #578DE8 | 0.108 |
| Deuteranopia (no green cones) | #628DE1 | 0.100 |
| Tritanopia (no blue cones) | #988CA3 | 0.124 |
| Achromatopsia (no color) | #8E8E8E | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A478E4
#A478E4
oklch(66.2% 0.16 300.9)
- #85A000
#85A000
oklch(66.1% 0.159 120.9)
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 #A478E4, closest first.
No curated palette has a color within ΔE 0.04 of #A478E4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.037
- Light Urple #B36FF6 ΔE 0.042
- Light Purple #BF77F6 ΔE 0.052
- Periwinkle #8E82FE ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.055
- Lavender Blue #8B88F8 ΔE 0.055
- Wisteria #A87DC2 ΔE 0.056
- Easter Purple #C071FE ΔE 0.062
Use #A478E4 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.