#A37BE9
Closest named color: Light Urple (#B36FF6). oklch(66.9% 0.161 298.7), rgb(163, 123, 233).
Aa
Black text reads best on this color (6.56:1).
About this color
#A37BE9 is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.161 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.042 away. Black text reads best on it, at 6.56:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.56:1 |
| White text | 3.19:1 |
Values
| HEX | #A37BE9 |
| RGB | rgb(163, 123, 233) |
| HSL | hsl(262, 71%, 70%) |
| OKLCH | oklch(66.9% 0.161 298.7) |
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 #A37BE9 | 3.19:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #A37BE9 | 6.56:1 | AA | Lc 45.1 | Large or bold text, headings |
| #A37BE9 text on white | 3.19:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #A37BE9 text on black | 6.56:1 | AA | Lc -42.8 | 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 500.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DCD3F3
oklch(88.4% 0.045 298.3)
-
Step 300
300
#C7B6ED
oklch(80.9% 0.078 298.8)
-
Step 400
400
#AB8EE4
oklch(70.7% 0.126 298.7)
-
Step 500
500 (this color)
#A37BE9
oklch(66.9% 0.161 298.7)
-
Step 600
600
#8355CA
oklch(55.7% 0.175 298.7)
-
Step 700
700
#6F44AE
oklch(49% 0.163 299)
-
Step 800
800
#5A398D
oklch(42.7% 0.134 298.7)
-
Step 900
900
#4A3271
oklch(37.7% 0.105 298.8)
-
Step 950
950
#2B1E42
oklch(27% 0.066 298.6)
#A37BE9 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) | #5890ED | 0.105 |
| Deuteranopia (no green cones) | #618FE6 | 0.097 |
| Tritanopia (no blue cones) | #958FA7 | 0.126 |
| Achromatopsia (no color) | #909090 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37BE9
#A37BE9
oklch(66.9% 0.161 298.7)
- #8CA100
#8CA100
oklch(66.9% 0.157 118.6)
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 #A37BE9, closest first.
No curated palette has a color within ΔE 0.04 of #A37BE9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.042
- Medium Purple #9370DB ΔE 0.042
- Periwinkle #8E82FE ΔE 0.044
- Lavender Blue #8B88F8 ΔE 0.047
- Perrywinkle #8F8CE7 ΔE 0.049
- Light Purple #BF77F6 ΔE 0.050
- Easter Purple #C071FE ΔE 0.061
- Wisteria #A87DC2 ΔE 0.061
Use #A37BE9 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.