#A37FE4
Closest named color: Perrywinkle (#8F8CE7). oklch(67.3% 0.149 298.8), rgb(163, 127, 228).
Aa
Black text reads best on this color (6.71:1).
About this color
#A37FE4 is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.149 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.041 away. Black text reads best on it, at 6.71:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.71:1 |
| White text | 3.12:1 |
Values
| HEX | #A37FE4 |
| RGB | rgb(163, 127, 228) |
| HSL | hsl(261, 65%, 70%) |
| OKLCH | oklch(67.3% 0.149 298.8) |
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 #A37FE4 | 3.12:1 | AA large text | Lc -63.6 | Content text, not long reading |
| Black text on #A37FE4 | 6.71:1 | AA | Lc 45.9 | Large or bold text, headings |
| #A37FE4 text on white | 3.12:1 | AA large text | Lc 58.2 | Large or bold text, headings |
| #A37FE4 text on black | 6.71:1 | AA | Lc -43.6 | 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 400.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F7
oklch(88.4% 0.052 298.9)
-
Step 300
300
#C8B4F5
oklch(80.9% 0.093 298.4)
-
Step 400
400 (this color)
#A37FE4
oklch(67.3% 0.149 298.8)
-
Step 500
500
#9B68EA
oklch(63.1% 0.19 299)
-
Step 600
600
#864BD8
oklch(55.5% 0.206 298.7)
-
Step 700
700
#723BBC
oklch(49.1% 0.192 298.6)
-
Step 800
800
#5D3298
oklch(42.8% 0.159 298.8)
-
Step 900
900
#4C2D79
oklch(37.7% 0.125 299.1)
-
Step 950
950
#2C1B47
oklch(26.9% 0.08 298.8)
#A37FE4 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) | #6192E8 | 0.094 |
| Deuteranopia (no green cones) | #6991E1 | 0.087 |
| Tritanopia (no blue cones) | #9691A7 | 0.116 |
| Achromatopsia (no color) | #929292 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37FE4
#A37FE4
oklch(67.3% 0.149 298.8)
- #8DA21E
#8DA21E
oklch(67.3% 0.149 118.9)
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 #A37FE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.041
- Lavender Blue #8B88F8 ΔE 0.047
- Medium Purple #9370DB ΔE 0.047
- Periwinkle #8E82FE ΔE 0.049
- Wisteria #A87DC2 ΔE 0.051
- Light Urple #B36FF6 ΔE 0.053
- Light Purple #BF77F6 ΔE 0.056
- Pale Purple #B790D4 ΔE 0.065
Use #A37FE4 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.