#B663C8
Closest named color: Medium Orchid (#BA55D3). oklch(63.3% 0.168 320.3), rgb(182, 99, 200).
Aa
Black text reads best on this color (5.60:1).
About this color
#B663C8 is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.168 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.035 away. Black text reads best on it, at 5.60:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #B663C8 |
| RGB | rgb(182, 99, 200) |
| HSL | hsl(289, 48%, 59%) |
| OKLCH | oklch(63.3% 0.168 320.3) |
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 #B663C8 | 3.74:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #B663C8 | 5.60:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #B663C8 text on white | 3.74:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #B663C8 text on black | 5.60:1 | AA | Lc -37.0 | 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
#E7D0EC
oklch(88.5% 0.045 320.2)
-
Step 300
300
#D9B0E2
oklch(81% 0.082 320.2)
-
Step 400
400
#C584D3
oklch(70.7% 0.132 320.3)
-
Step 500
500 (this color)
#B663C8
oklch(63.3% 0.168 320.3)
-
Step 600
600
#A046B4
oklch(55.6% 0.183 320)
-
Step 700
700
#89369B
oklch(49.1% 0.171 320.1)
-
Step 800
800
#6F2E7D
oklch(42.6% 0.14 320.2)
-
Step 900
900
#5A2A65
oklch(37.6% 0.11 319.9)
-
Step 950
950
#35193B
oklch(26.9% 0.07 320.3)
#B663C8 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) | #527ECB | 0.155 |
| Deuteranopia (no green cones) | #6B87C5 | 0.138 |
| Tritanopia (no blue cones) | #B7718C | 0.106 |
| Achromatopsia (no color) | #848484 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B663C8
#B663C8
oklch(63.3% 0.168 320.3)
- #49A235
#49A235
oklch(63.5% 0.169 140.2)
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 #B663C8, closest first.
No curated palette has a color within ΔE 0.04 of #B663C8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.035
- Soft Purple #A66FB5 ΔE 0.050
- Amethyst #9B5FC0 ΔE 0.051
- Pinky Purple #C94CBE ΔE 0.052
- Deep Lilac #966EBD ΔE 0.062
- Wisteria #A87DC2 ΔE 0.066
- Medium Purple #9370DB ΔE 0.068
- Light Urple #B36FF6 ΔE 0.070
Use #B663C8 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.