#A37EF0
Closest named color: Periwinkle (#8E82FE). oklch(67.8% 0.165 296.7), rgb(163, 126, 240).
Aa
Black text reads best on this color (6.79:1).
About this color
#A37EF0 is a medium-light, vivid purple. In OKLCH its lightness is 68%, its chroma 0.165 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.037 away. Black text reads best on it, at 6.79:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.79:1 |
| White text | 3.08:1 |
Values
| HEX | #A37EF0 |
| RGB | rgb(163, 126, 240) |
| HSL | hsl(259, 79%, 72%) |
| OKLCH | oklch(67.8% 0.165 296.7) |
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 #A37EF0 | 3.08:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #A37EF0 | 6.79:1 | AA | Lc 46.4 | Large or bold text, headings |
| #A37EF0 text on white | 3.08:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #A37EF0 text on black | 6.79:1 | AA | Lc -44.1 | 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 400.
-
Step 50
50
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DCD2FB
oklch(88.5% 0.057 296.4)
-
Step 300
300
#C7B3FC
oklch(80.9% 0.103 296.6)
-
Step 400
400 (this color)
#A37EF0
oklch(67.8% 0.165 296.7)
-
Step 500
500
#9963F7
oklch(63% 0.212 296.7)
-
Step 600
600
#8544E6
oklch(55.6% 0.229 296.5)
-
Step 700
700
#7133C8
oklch(49% 0.214 296.5)
-
Step 800
800
#5C2CA2
oklch(42.7% 0.178 296.6)
-
Step 900
900
#4B2A80
oklch(37.6% 0.138 296.9)
-
Step 950
950
#2C1A4B
oklch(27% 0.087 297.1)
#A37EF0 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) | #5893F4 | 0.103 |
| Deuteranopia (no green cones) | #5F91ED | 0.097 |
| Tritanopia (no blue cones) | #9294AC | 0.132 |
| Achromatopsia (no color) | #939393 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37EF0
#A37EF0
oklch(67.8% 0.165 296.7)
- #92A300
#92A300
oklch(67.8% 0.156 117)
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 #A37EF0, closest first.
No curated palette has a color within ΔE 0.04 of #A37EF0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.037
- Lavender Blue #8B88F8 ΔE 0.041
- Light Urple #B36FF6 ΔE 0.042
- Perrywinkle #8F8CE7 ΔE 0.047
- Light Purple #BF77F6 ΔE 0.048
- Medium Purple #9370DB ΔE 0.051
- Easter Purple #C071FE ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.068
Use #A37EF0 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.