#B66EC4
Closest named color: Soft Purple (#A66FB5). oklch(64.8% 0.146 320.9), rgb(182, 110, 196).
Aa
Black text reads best on this color (6.01:1).
About this color
#B66EC4 is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.146 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.036 away. Black text reads best on it, at 6.01:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 6.01:1 |
| White text | 3.49:1 |
Values
| HEX | #B66EC4 |
| RGB | rgb(182, 110, 196) |
| HSL | hsl(290, 42%, 60%) |
| OKLCH | oklch(64.8% 0.146 320.9) |
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 #B66EC4 | 3.49:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #B66EC4 | 6.01:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #B66EC4 text on white | 3.49:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #B66EC4 text on black | 6.01:1 | AA | Lc -39.5 | 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
#F8F3F9
oklch(97% 0.01 320.5)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E6D1E9
oklch(88.5% 0.04 322)
-
Step 300
300
#D6B2DD
oklch(80.9% 0.071 320.8)
-
Step 400
400
#C188CC
oklch(70.6% 0.115 320.9)
-
Step 500
500 (this color)
#B66EC4
oklch(64.8% 0.146 320.9)
-
Step 600
600
#9C4EAB
oklch(55.6% 0.159 321)
-
Step 700
700
#853F92
oklch(49.2% 0.146 321.1)
-
Step 800
800
#6C3477
oklch(42.7% 0.123 320.8)
-
Step 900
900
#582E60
oklch(37.7% 0.096 321)
-
Step 950
950
#331C38
oklch(27% 0.059 320.3)
#B66EC4 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) | #6284C7 | 0.131 |
| Deuteranopia (no green cones) | #768CC1 | 0.118 |
| Tritanopia (no blue cones) | #B87990 | 0.091 |
| Achromatopsia (no color) | #898989 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66EC4
#B66EC4
oklch(64.8% 0.146 320.9)
- #58A44B
#58A44B
oklch(64.9% 0.146 140.8)
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 #B66EC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.036
- Wisteria #A87DC2 ΔE 0.042
- Deep Lilac #966EBD ΔE 0.056
- Medium Orchid #BA55D3 ΔE 0.061
- Amethyst #9B5FC0 ΔE 0.062
- Dark Lilac #9C6DA5 ΔE 0.065
- Pale Magenta #D767AD ΔE 0.067
- Medium Purple #9370DB ΔE 0.068
Use #B66EC4 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.