#A37CF3
Closest named color: Periwinkle (#8E82FE). oklch(67.6% 0.172 296.6), rgb(163, 124, 243).
Aa
Black text reads best on this color (6.73:1).
About this color
#A37CF3 is a medium-light, vivid purple. In OKLCH its lightness is 68%, its chroma 0.172 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.036 away. Black text reads best on it, at 6.73:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.73:1 |
| White text | 3.11:1 |
Values
| HEX | #A37CF3 |
| RGB | rgb(163, 124, 243) |
| HSL | hsl(260, 83%, 72%) |
| OKLCH | oklch(67.6% 0.172 296.6) |
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 #A37CF3 | 3.11:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #A37CF3 | 6.73:1 | AA | Lc 46.1 | Large or bold text, headings |
| #A37CF3 text on white | 3.11:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #A37CF3 text on black | 6.73:1 | AA | Lc -43.8 | 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)
#A37CF3
oklch(67.6% 0.172 296.6)
-
Step 500
500
#9A61FC
oklch(63.1% 0.22 296.5)
-
Step 600
600
#863FEB
oklch(55.5% 0.24 296.5)
-
Step 700
700
#722FCC
oklch(49.1% 0.222 296.5)
-
Step 800
800
#5D29A5
oklch(42.7% 0.185 296.8)
-
Step 900
900
#4B2983
oklch(37.7% 0.143 296.2)
-
Step 950
950
#2C194D
oklch(27% 0.092 296.6)
#A37CF3 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) | #5292F7 | 0.109 |
| Deuteranopia (no green cones) | #5B90F0 | 0.101 |
| Tritanopia (no blue cones) | #9193AC | 0.137 |
| Achromatopsia (no color) | #929292 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37CF3
#A37CF3
oklch(67.6% 0.172 296.6)
- #92A200
#92A200
oklch(67.6% 0.155 116.6)
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 #A37CF3, closest first.
No curated palette has a color within ΔE 0.04 of #A37CF3.
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 0.037
- Lavender Blue #8B88F8 ΔE 0.043
- Light Purple #BF77F6 ΔE 0.046
- Medium Purple #9370DB ΔE 0.051
- Perrywinkle #8F8CE7 ΔE 0.053
- Easter Purple #C071FE ΔE 0.054
- Liliac #C48EFD ΔE 0.072
Use #A37CF3 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.