#B666CA
Closest named color: Medium Orchid (#BA55D3). oklch(63.9% 0.165 319.3), rgb(182, 102, 202).
Aa
Black text reads best on this color (5.74:1).
About this color
#B666CA is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.165 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 0.039 away. Black text reads best on it, at 5.74:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.74:1 |
| White text | 3.65:1 |
Values
| HEX | #B666CA |
| RGB | rgb(182, 102, 202) |
| HSL | hsl(288, 49%, 60%) |
| OKLCH | oklch(63.9% 0.165 319.3) |
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 #B666CA | 3.65:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #B666CA | 5.74:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #B666CA text on white | 3.65:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #B666CA text on black | 5.74:1 | AA | Lc -37.9 | 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
#E7D0EC
oklch(88.5% 0.045 320.2)
-
Step 300
300
#D8B0E2
oklch(80.9% 0.081 319.5)
-
Step 400
400
#C385D3
oklch(70.6% 0.129 319.2)
-
Step 500
500 (this color)
#B666CA
oklch(63.9% 0.165 319.3)
-
Step 600
600
#9F47B4
oklch(55.6% 0.181 319.5)
-
Step 700
700
#88389B
oklch(49.2% 0.167 319.5)
-
Step 800
800
#6E2F7E
oklch(42.7% 0.139 319)
-
Step 900
900
#592B65
oklch(37.6% 0.108 319)
-
Step 950
950
#341A3B
oklch(26.9% 0.068 318.8)
#B666CA 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) | #5580CD | 0.150 |
| Deuteranopia (no green cones) | #6D89C7 | 0.134 |
| Tritanopia (no blue cones) | #B7748F | 0.105 |
| Achromatopsia (no color) | #868686 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B666CA
#B666CA
oklch(63.9% 0.165 319.3)
- #4FA337
#4FA337
oklch(64% 0.166 139.4)
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 #B666CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.039
- Soft Purple #A66FB5 ΔE 0.049
- Amethyst #9B5FC0 ΔE 0.053
- Pinky Purple #C94CBE ΔE 0.057
- Deep Lilac #966EBD ΔE 0.060
- Wisteria #A87DC2 ΔE 0.061
- Medium Purple #9370DB ΔE 0.065
- Light Urple #B36FF6 ΔE 0.066
Use #B666CA 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.