#A678E4
Closest named color: Medium Purple (#9370DB). oklch(66.4% 0.16 301.9), rgb(166, 120, 228).
Aa
Black text reads best on this color (6.42:1).
About this color
#A678E4 is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.160 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.040 away. Black text reads best on it, at 6.42:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #A678E4 |
| RGB | rgb(166, 120, 228) |
| HSL | hsl(266, 67%, 68%) |
| OKLCH | oklch(66.4% 0.16 301.9) |
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 #A678E4 | 3.26:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #A678E4 | 6.42:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #A678E4 text on white | 3.26:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #A678E4 text on black | 6.42:1 | AA | Lc -41.9 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
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
#CAB5EB
oklch(80.9% 0.078 302.4)
-
Step 400
400
#AF8DE2
oklch(70.7% 0.126 301.7)
-
Step 500
500 (this color)
#A678E4
oklch(66.4% 0.16 301.9)
-
Step 600
600
#8753C6
oklch(55.5% 0.174 301.9)
-
Step 700
700
#7343AB
oklch(49.1% 0.161 302.1)
-
Step 800
800
#5D388B
oklch(42.7% 0.134 301.5)
-
Step 900
900
#4C316F
oklch(37.6% 0.105 301.7)
-
Step 950
950
#2D1D41
oklch(27% 0.067 302.7)
#A678E4 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) | #588DE8 | 0.110 |
| Deuteranopia (no green cones) | #638EE1 | 0.103 |
| Tritanopia (no blue cones) | #9B8BA3 | 0.122 |
| Achromatopsia (no color) | #8E8E8E | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A678E4
#A678E4
oklch(66.4% 0.16 301.9)
- #84A103
#84A103
oklch(66.3% 0.159 121.6)
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 #A678E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.040
- Light Urple #B36FF6 ΔE 0.040
- Light Purple #BF77F6 ΔE 0.049
- Periwinkle #8E82FE ΔE 0.054
- Wisteria #A87DC2 ΔE 0.056
- Perrywinkle #8F8CE7 ΔE 0.056
- Lavender Blue #8B88F8 ΔE 0.057
- Easter Purple #C071FE ΔE 0.060
Use #A678E4 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.