#B663CB
Closest named color: Medium Orchid (#BA55D3). oklch(63.5% 0.171 319.2), rgb(182, 99, 203).
Aa
Black text reads best on this color (5.63:1).
About this color
#B663CB is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.171 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 0.033 away. Black text reads best on it, at 5.63:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #B663CB |
| RGB | rgb(182, 99, 203) |
| HSL | hsl(288, 50%, 59%) |
| OKLCH | oklch(63.5% 0.171 319.2) |
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 #B663CB | 3.72:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #B663CB | 5.63:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #B663CB text on white | 3.72:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #B663CB text on black | 5.63:1 | AA | Lc -37.2 | 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
#E7D0ED
oklch(88.5% 0.046 319.2)
-
Step 300
300
#D9B0E3
oklch(81% 0.083 319.6)
-
Step 400
400
#C484D5
oklch(70.7% 0.133 319)
-
Step 500
500 (this color)
#B663CB
oklch(63.5% 0.171 319.2)
-
Step 600
600
#A045B6
oklch(55.6% 0.186 319.4)
-
Step 700
700
#89369D
oklch(49.2% 0.173 319.3)
-
Step 800
800
#6F2E7F
oklch(42.7% 0.142 319.2)
-
Step 900
900
#5A2A66
oklch(37.7% 0.111 319.3)
-
Step 950
950
#35193C
oklch(27% 0.072 319.3)
#B663CB 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) | #507FCE | 0.157 |
| Deuteranopia (no green cones) | #6A87C8 | 0.139 |
| Tritanopia (no blue cones) | #B7728E | 0.109 |
| Achromatopsia (no color) | #848484 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B663CB
#B663CB
oklch(63.5% 0.171 319.2)
- #4BA230
#4BA230
oklch(63.5% 0.171 139.3)
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 #B663CB, closest first.
No curated palette has a color within ΔE 0.04 of #B663CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.033
- Amethyst #9B5FC0 ΔE 0.052
- Pinky Purple #C94CBE ΔE 0.053
- Soft Purple #A66FB5 ΔE 0.054
- Deep Lilac #966EBD ΔE 0.063
- Light Urple #B36FF6 ΔE 0.066
- Medium Purple #9370DB ΔE 0.066
- Wisteria #A87DC2 ΔE 0.067
Use #B663CB 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.