#B37BCA
Closest named color: Wisteria (#A87DC2). oklch(66.9% 0.128 315.7), rgb(179, 123, 202).
Aa
Black text reads best on this color (6.60:1).
About this color
#B37BCA is a medium-light, moderately saturated purple. In OKLCH its lightness is 67%, its chroma 0.128 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.023 away. Black text reads best on it, at 6.60:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.60:1 |
| White text | 3.18:1 |
Values
| HEX | #B37BCA |
| RGB | rgb(179, 123, 202) |
| HSL | hsl(283, 43%, 64%) |
| OKLCH | oklch(66.9% 0.128 315.7) |
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 #B37BCA | 3.18:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #B37BCA | 6.60:1 | AA | Lc 45.3 | Large or bold text, headings |
| #B37BCA text on white | 3.18:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #B37BCA text on black | 6.60:1 | AA | Lc -42.9 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F2
oklch(93.5% 0.019 317.7)
-
Step 200
200
#E2D3E9
oklch(88.6% 0.034 315.2)
-
Step 300
300
#D1B5DD
oklch(81% 0.063 315.7)
-
Step 400
400
#B98DCB
oklch(70.7% 0.1 315.9)
-
Step 500
500 (this color)
#B37BCA
oklch(66.9% 0.128 315.7)
-
Step 600
600
#9256AA
oklch(55.5% 0.14 315.6)
-
Step 700
700
#7C4692
oklch(49.1% 0.13 315.4)
-
Step 800
800
#653A76
oklch(42.7% 0.107 315.7)
-
Step 900
900
#52325F
oklch(37.6% 0.084 315.6)
-
Step 950
950
#301E38
oklch(27% 0.053 314.9)
#B37BCA 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) | #6E8DCD | 0.106 |
| Deuteranopia (no green cones) | #7C92C8 | 0.096 |
| Tritanopia (no blue cones) | #B28599 | 0.085 |
| Achromatopsia (no color) | #909090 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37BCA
#B37BCA
oklch(66.9% 0.128 315.7)
- #70A653
#70A653
oklch(66.8% 0.128 135.7)
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 #B37BCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.023
- Soft Purple #A66FB5 ΔE 0.046
- Pale Purple #B790D4 ΔE 0.052
- Heather #A484AC ΔE 0.061
- Deep Lilac #966EBD ΔE 0.062
- Dusty Lavender #AC86A8 ΔE 0.066
- Medium Purple #9370DB ΔE 0.070
- Light Purple #BF77F6 ΔE 0.071
Use #B37BCA 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.