#B663C3
Closest named color: Medium Orchid (#BA55D3). oklch(63.1% 0.163 322), rgb(182, 99, 195).
Aa
Black text reads best on this color (5.56:1).
About this color
#B663C3 is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.163 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.041 away. Black text reads best on it, at 5.56:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.56:1 |
| White text | 3.77:1 |
Values
| HEX | #B663C3 |
| RGB | rgb(182, 99, 195) |
| HSL | hsl(292, 44%, 58%) |
| OKLCH | oklch(63.1% 0.163 322) |
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 #B663C3 | 3.77:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #B663C3 | 5.56:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #B663C3 text on white | 3.77:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #B663C3 text on black | 5.56:1 | AA | Lc -36.7 | 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
#F1E5F3
oklch(93.5% 0.023 321.4)
-
Step 200
200
#E8D0EB
oklch(88.5% 0.045 322.5)
-
Step 300
300
#D9B0E0
oklch(80.9% 0.08 321.4)
-
Step 400
400
#C685D0
oklch(70.8% 0.128 322)
-
Step 500
500 (this color)
#B663C3
oklch(63.1% 0.163 322)
-
Step 600
600
#A147AF
oklch(55.6% 0.177 322.1)
-
Step 700
700
#8A3797
oklch(49.1% 0.166 322)
-
Step 800
800
#702F7A
oklch(42.7% 0.136 322.1)
-
Step 900
900
#5B2B62
oklch(37.7% 0.106 322.4)
-
Step 950
950
#351A3A
oklch(27% 0.067 321.2)
#B663C3 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) | #557DC6 | 0.152 |
| Deuteranopia (no green cones) | #6E87C0 | 0.136 |
| Tritanopia (no blue cones) | #B86F8A | 0.099 |
| Achromatopsia (no color) | #838383 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B663C3
#B663C3
oklch(63.1% 0.163 322)
- #45A13D
#45A13D
oklch(63.1% 0.163 142)
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 #B663C3, closest first.
No curated palette has a color within ΔE 0.04 of #B663C3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.041
- Soft Purple #A66FB5 ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.050
- Pinky Purple #C94CBE ΔE 0.052
- Deep Lilac #966EBD ΔE 0.059
- Wisteria #A87DC2 ΔE 0.064
- Dark Lilac #9C6DA5 ΔE 0.070
- Medium Purple #9370DB ΔE 0.071
Use #B663C3 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.