#B578CD
Closest named color: Wisteria (#A87DC2). oklch(66.7% 0.138 316), rgb(181, 120, 205).
Aa
Black text reads best on this color (6.53:1).
About this color
#B578CD is a medium-light, moderately saturated purple. In OKLCH its lightness is 67%, its chroma 0.138 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.031 away. Black text reads best on it, at 6.53:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #B578CD |
| RGB | rgb(181, 120, 205) |
| HSL | hsl(283, 46%, 64%) |
| OKLCH | oklch(66.7% 0.138 316) |
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 #B578CD | 3.21:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #B578CD | 6.53:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #B578CD text on white | 3.21:1 | AA large text | Lc 59.2 | Large or bold text, headings |
| #B578CD text on black | 6.53:1 | AA | Lc -42.5 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E3D2EA
oklch(88.5% 0.037 316.2)
-
Step 300
300
#D2B4DE
oklch(80.9% 0.067 316.3)
-
Step 400
400
#BB8BCE
oklch(70.6% 0.109 316.1)
-
Step 500
500 (this color)
#B578CD
oklch(66.7% 0.138 316)
-
Step 600
600
#9553AD
oklch(55.6% 0.15 316.4)
-
Step 700
700
#7F4395
oklch(49.1% 0.14 316.2)
-
Step 800
800
#673879
oklch(42.8% 0.115 315.9)
-
Step 900
900
#543161
oklch(37.7% 0.089 316.3)
-
Step 950
950
#311D39
oklch(27% 0.057 315.8)
#B578CD 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) | #6A8CD0 | 0.115 |
| Deuteranopia (no green cones) | #7991CB | 0.105 |
| Tritanopia (no blue cones) | #B48399 | 0.091 |
| Achromatopsia (no color) | #8F8F8F | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B578CD
#B578CD
oklch(66.7% 0.138 316)
- #6CA74D
#6CA74D
oklch(66.7% 0.137 136)
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 #B578CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.031
- Soft Purple #A66FB5 ΔE 0.047
- Pale Purple #B790D4 ΔE 0.058
- Deep Lilac #966EBD ΔE 0.063
- Light Purple #BF77F6 ΔE 0.064
- Orchid #DA70D6 ΔE 0.066
- Medium Purple #9370DB ΔE 0.067
- Light Urple #B36FF6 ΔE 0.069
Use #B578CD 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.