#A37EF5
Closest named color: Periwinkle (#8E82FE). oklch(68% 0.172 295.8), rgb(163, 126, 245).
Aa
Black text reads best on this color (6.86:1).
About this color
#A37EF5 is a medium-light, vivid purple. In OKLCH its lightness is 68%, its chroma 0.172 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.034 away. Black text reads best on it, at 6.86:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.86:1 |
| White text | 3.06:1 |
Values
| HEX | #A37EF5 |
| RGB | rgb(163, 126, 245) |
| HSL | hsl(259, 86%, 73%) |
| OKLCH | oklch(68% 0.172 295.8) |
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 #A37EF5 | 3.06:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #A37EF5 | 6.86:1 | AA | Lc 46.8 | Large or bold text, headings |
| #A37EF5 text on white | 3.06:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #A37EF5 text on black | 6.86:1 | AA | Lc -44.5 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DCD2FD
oklch(88.5% 0.059 295.8)
-
Step 300
300
#C6B3FF
oklch(81% 0.107 295.4)
-
Step 400
400 (this color)
#A37EF5
oklch(68% 0.172 295.8)
-
Step 500
500
#9962FC
oklch(63.2% 0.219 296)
-
Step 600
600
#8541EB
oklch(55.7% 0.238 295.9)
-
Step 700
700
#7130CD
oklch(49.2% 0.222 295.8)
-
Step 800
800
#5C2AA5
oklch(42.7% 0.184 296.2)
-
Step 900
900
#4B2983
oklch(37.7% 0.143 296.2)
-
Step 950
950
#2B194D
oklch(26.9% 0.092 295.5)
#A37EF5 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) | #5494F9 | 0.106 |
| Deuteranopia (no green cones) | #5C92F2 | 0.100 |
| Tritanopia (no blue cones) | #9095AE | 0.137 |
| Achromatopsia (no color) | #939393 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37EF5
#A37EF5
oklch(68% 0.172 295.8)
- #95A300
#95A300
oklch(68.1% 0.155 115.7)
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 #A37EF5, closest first.
No curated palette has a color within ΔE 0.04 of #A37EF5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.034
- Light Urple #B36FF6 ΔE 0.040
- Lavender Blue #8B88F8 ΔE 0.040
- Light Purple #BF77F6 ΔE 0.047
- Perrywinkle #8F8CE7 ΔE 0.051
- Easter Purple #C071FE ΔE 0.055
- Medium Purple #9370DB ΔE 0.055
- Periwinkle Blue #8F99FB ΔE 0.068
Use #A37EF5 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.