#B37BCB
Closest named color: Wisteria (#A87DC2). oklch(66.9% 0.129 315.3), rgb(179, 123, 203).
Aa
Black text reads best on this color (6.61:1).
About this color
#B37BCB is a medium-light, moderately saturated purple. In OKLCH its lightness is 67%, its chroma 0.129 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.024 away. Black text reads best on it, at 6.61:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.61:1 |
| White text | 3.17:1 |
Values
| HEX | #B37BCB |
| RGB | rgb(179, 123, 203) |
| HSL | hsl(282, 43%, 64%) |
| OKLCH | oklch(66.9% 0.129 315.3) |
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 #B37BCB | 3.17:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #B37BCB | 6.61:1 | AA | Lc 45.3 | Large or bold text, headings |
| #B37BCB text on white | 3.17:1 | AA large text | Lc 58.7 | Large or bold text, headings |
| #B37BCB text on black | 6.61:1 | AA | Lc -43.0 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D1EE
oklch(88.6% 0.045 315.5)
-
Step 300
300
#D5B1E5
oklch(80.9% 0.082 315.4)
-
Step 400
400 (this color)
#B37BCB
oklch(66.9% 0.129 315.3)
-
Step 500
500
#AF66CD
oklch(63.2% 0.165 315.3)
-
Step 600
600
#9A4AB9
oklch(55.6% 0.179 315.4)
-
Step 700
700
#833AA0
oklch(49.1% 0.167 315)
-
Step 800
800
#6B3181
oklch(42.7% 0.138 315.6)
-
Step 900
900
#572C68
oklch(37.7% 0.108 315.5)
-
Step 950
950
#331B3D
oklch(27.1% 0.068 315.2)
#B37BCB 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) | #6E8DCE | 0.105 |
| Deuteranopia (no green cones) | #7C92C9 | 0.096 |
| Tritanopia (no blue cones) | #B28699 | 0.088 |
| Achromatopsia (no color) | #909090 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37BCB
#B37BCB
oklch(66.9% 0.129 315.3)
- #71A652
#71A652
oklch(66.8% 0.128 135.1)
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 #B37BCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.024
- Soft Purple #A66FB5 ΔE 0.046
- Pale Purple #B790D4 ΔE 0.052
- Heather #A484AC ΔE 0.062
- Deep Lilac #966EBD ΔE 0.063
- Dusty Lavender #AC86A8 ΔE 0.067
- Medium Purple #9370DB ΔE 0.069
- Light Purple #BF77F6 ΔE 0.069
Use #B37BCB 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.