#B666CC
Closest named color: Medium Orchid (#BA55D3). oklch(64% 0.167 318.7), rgb(182, 102, 204).
Aa
Black text reads best on this color (5.76:1).
About this color
#B666CC is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.167 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.038 away. Black text reads best on it, at 5.76:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.76:1 |
| White text | 3.64:1 |
Values
| HEX | #B666CC |
| RGB | rgb(182, 102, 204) |
| HSL | hsl(287, 50%, 60%) |
| OKLCH | oklch(64% 0.167 318.7) |
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 #B666CC | 3.64:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #B666CC | 5.76:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #B666CC text on white | 3.64:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #B666CC text on black | 5.76:1 | AA | Lc -38.0 | 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 500.
-
Step 50
50
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F4
oklch(93.6% 0.024 319.5)
-
Step 200
200
#E6D0ED
oklch(88.4% 0.046 318)
-
Step 300
300
#D8B0E3
oklch(80.9% 0.083 318.9)
-
Step 400
400
#C385D5
oklch(70.7% 0.131 318.4)
-
Step 500
500 (this color)
#B666CC
oklch(64% 0.167 318.7)
-
Step 600
600
#9E47B6
oklch(55.6% 0.182 318.4)
-
Step 700
700
#87379C
oklch(49% 0.169 318.7)
-
Step 800
800
#6E2F7F
oklch(42.7% 0.14 318.6)
-
Step 900
900
#592B66
oklch(37.7% 0.109 318.4)
-
Step 950
950
#341A3C
oklch(27% 0.069 317.8)
#B666CC 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) | #5381CF | 0.152 |
| Deuteranopia (no green cones) | #6C89C9 | 0.135 |
| Tritanopia (no blue cones) | #B67490 | 0.106 |
| Achromatopsia (no color) | #868686 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B666CC
#B666CC
oklch(64% 0.167 318.7)
- #51A333
#51A333
oklch(64% 0.168 138.6)
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 #B666CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.038
- Soft Purple #A66FB5 ΔE 0.051
- Amethyst #9B5FC0 ΔE 0.054
- Pinky Purple #C94CBE ΔE 0.058
- Deep Lilac #966EBD ΔE 0.062
- Wisteria #A87DC2 ΔE 0.062
- Light Urple #B36FF6 ΔE 0.063
- Medium Purple #9370DB ΔE 0.064
Use #B666CC 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.