#B57BCB
Closest named color: Wisteria (#A87DC2). oklch(67.1% 0.13 316.3), rgb(181, 123, 203).
Aa
Black text reads best on this color (6.66:1).
About this color
#B57BCB is a medium-light, moderately saturated purple. In OKLCH its lightness is 67%, its chroma 0.130 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.026 away. Black text reads best on it, at 6.66:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.66:1 |
| White text | 3.15:1 |
Values
| HEX | #B57BCB |
| RGB | rgb(181, 123, 203) |
| HSL | hsl(284, 43%, 64%) |
| OKLCH | oklch(67.1% 0.13 316.3) |
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 #B57BCB | 3.15:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #B57BCB | 6.66:1 | AA | Lc 45.6 | Large or bold text, headings |
| #B57BCB text on white | 3.15:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #B57BCB text on black | 6.66:1 | AA | Lc -43.3 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
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
#D6B1E4
oklch(80.9% 0.081 316.7)
-
Step 400
400 (this color)
#B57BCB
oklch(67.1% 0.13 316.3)
-
Step 500
500
#B065CC
oklch(63.1% 0.166 316.2)
-
Step 600
600
#9B49B8
oklch(55.6% 0.18 316.3)
-
Step 700
700
#85399F
oklch(49.1% 0.169 316.5)
-
Step 800
800
#6C3081
oklch(42.7% 0.14 316.4)
-
Step 900
900
#582C67
oklch(37.8% 0.108 316.8)
-
Step 950
950
#331A3D
oklch(26.9% 0.07 315.6)
#B57BCB 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 | 0.108 |
| Deuteranopia (no green cones) | #7D93C9 | 0.099 |
| Tritanopia (no blue cones) | #B48599 | 0.087 |
| Achromatopsia (no color) | #919191 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B57BCB
#B57BCB
oklch(67.1% 0.13 316.3)
- #6FA854
#6FA854
oklch(67.2% 0.13 136.5)
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 #B57BCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.026
- Soft Purple #A66FB5 ΔE 0.048
- Pale Purple #B790D4 ΔE 0.051
- Heather #A484AC ΔE 0.064
- Deep Lilac #966EBD ΔE 0.066
- Dusty Lavender #AC86A8 ΔE 0.068
- Orchid #DA70D6 ΔE 0.068
- Light Purple #BF77F6 ΔE 0.068
Use #B57BCB 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.