#A37DF3
Closest named color: Periwinkle (#8E82FE). oklch(67.8% 0.171 296.4), rgb(163, 125, 243).
Aa
Black text reads best on this color (6.78:1).
About this color
#A37DF3 is a medium-light, vivid purple. In OKLCH its lightness is 68%, its chroma 0.171 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.036 away. Black text reads best on it, at 6.78:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.78:1 |
| White text | 3.09:1 |
Values
| HEX | #A37DF3 |
| RGB | rgb(163, 125, 243) |
| HSL | hsl(259, 83%, 72%) |
| OKLCH | oklch(67.8% 0.171 296.4) |
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 #A37DF3 | 3.09:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #A37DF3 | 6.78:1 | AA | Lc 46.4 | Large or bold text, headings |
| #A37DF3 text on white | 3.09:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #A37DF3 text on black | 6.78:1 | 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
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DCD2FD
oklch(88.5% 0.059 295.8)
-
Step 300
300
#C7B2FE
oklch(80.8% 0.108 296.6)
-
Step 400
400 (this color)
#A37DF3
oklch(67.8% 0.171 296.4)
-
Step 500
500
#9A62FB
oklch(63.2% 0.218 296.5)
-
Step 600
600
#8641EA
oklch(55.7% 0.237 296.4)
-
Step 700
700
#7230CB
oklch(49.1% 0.22 296.6)
-
Step 800
800
#5C2AA4
oklch(42.6% 0.183 296.4)
-
Step 900
900
#4B2982
oklch(37.6% 0.142 296.5)
-
Step 950
950
#2C194C
oklch(26.9% 0.09 297.1)
#A37DF3 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) | #5493F7 | 0.107 |
| Deuteranopia (no green cones) | #5C91F0 | 0.100 |
| Tritanopia (no blue cones) | #9194AD | 0.136 |
| Achromatopsia (no color) | #929292 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37DF3
#A37DF3
oklch(67.8% 0.171 296.4)
- #93A200
#93A200
oklch(67.7% 0.155 116.2)
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 #A37DF3, closest first.
No curated palette has a color within ΔE 0.04 of #A37DF3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.036
- Light Urple #B36FF6 ΔE 0.039
- Lavender Blue #8B88F8 ΔE 0.042
- Light Purple #BF77F6 ΔE 0.047
- Perrywinkle #8F8CE7 ΔE 0.051
- Medium Purple #9370DB ΔE 0.052
- Easter Purple #C071FE ΔE 0.055
- Periwinkle Blue #8F99FB ΔE 0.070
Use #A37DF3 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.