#A37BFA
Closest named color: Periwinkle (#8E82FE). oklch(67.8% 0.183 295.7), rgb(163, 123, 250).
Aa
Black text reads best on this color (6.77:1).
About this color
#A37BFA is a medium-light, vivid purple. In OKLCH its lightness is 68%, its chroma 0.183 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 6.77:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.77:1 |
| White text | 3.10:1 |
Values
| HEX | #A37BFA |
| RGB | rgb(163, 123, 250) |
| HSL | hsl(259, 93%, 73%) |
| OKLCH | oklch(67.8% 0.183 295.7) |
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 #A37BFA | 3.10:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #A37BFA | 6.77:1 | AA | Lc 46.3 | Large or bold text, headings |
| #A37BFA text on white | 3.10:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #A37BFA text on black | 6.77:1 | AA | Lc -44.0 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FE
oklch(93.6% 0.033 295.3)
-
Step 200
200
#DCD1FF
oklch(88.4% 0.064 296)
-
Step 300
300
#C6B2FF
oklch(80.8% 0.109 295.8)
-
Step 400
400 (this color)
#A37BFA
oklch(67.8% 0.183 295.7)
-
Step 500
500
#9960FF
oklch(63.1% 0.225 295.8)
-
Step 600
600
#8639F3
oklch(55.6% 0.254 295.6)
-
Step 700
700
#7228D3
oklch(49.1% 0.236 295.7)
-
Step 800
800
#5D25AB
oklch(42.8% 0.196 295.8)
-
Step 900
900
#4B2687
oklch(37.6% 0.152 295.6)
-
Step 950
950
#2C184F
oklch(27% 0.096 296.1)
#A37BFA 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) | #4A93FE | 0.116 |
| Deuteranopia (no green cones) | #5391F7 | 0.109 |
| Tritanopia (no blue cones) | #8F94AF | 0.145 |
| Achromatopsia (no color) | #929292 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37BFA
#A37BFA
oklch(67.8% 0.183 295.7)
- #94A200
#94A200
oklch(67.8% 0.155 115.8)
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 #A37BFA, closest first.
No curated palette has a color within ΔE 0.04 of #A37BFA.
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 0.035
- Lavender Blue #8B88F8 ΔE 0.045
- Light Purple #BF77F6 ΔE 0.046
- Easter Purple #C071FE ΔE 0.051
- Medium Purple #9370DB ΔE 0.057
- Perrywinkle #8F8CE7 ΔE 0.060
- Lighter Purple #A55AF4 ΔE 0.069
Use #A37BFA 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.