#B663B3
Closest named color: Soft Purple (#A66FB5). oklch(62.3% 0.148 328.5), rgb(182, 99, 179).
Aa
Black text reads best on this color (5.42:1).
About this color
#B663B3 is a medium-light, vivid purple. In OKLCH its lightness is 62%, its chroma 0.148 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.037 away. Black text reads best on it, at 5.42:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.42:1 |
| White text | 3.87:1 |
Values
| HEX | #B663B3 |
| RGB | rgb(182, 99, 179) |
| HSL | hsl(302, 36%, 55%) |
| OKLCH | oklch(62.3% 0.148 328.5) |
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 #B663B3 | 3.87:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #B663B3 | 5.42:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #B663B3 text on white | 3.87:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #B663B3 text on black | 5.42:1 | AA | Lc -35.8 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F2E5F1
oklch(93.6% 0.021 328.1)
-
Step 200
200
#E9D0E7
oklch(88.5% 0.041 328.4)
-
Step 300
300
#DBB0D8
oklch(80.8% 0.073 328.5)
-
Step 400
400
#C886C5
oklch(70.8% 0.116 328.3)
-
Step 500
500 (this color)
#B663B3
oklch(62.3% 0.148 328.5)
-
Step 600
600
#A44AA1
oklch(55.6% 0.161 328.8)
-
Step 700
700
#8C3B8A
oklch(49.1% 0.149 328.5)
-
Step 800
800
#723170
oklch(42.7% 0.124 328.7)
-
Step 900
900
#5C2C5B
oklch(37.6% 0.097 328.1)
-
Step 950
950
#361A35
oklch(26.9% 0.062 328.4)
#B663B3 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) | #5D7BB6 | 0.144 |
| Deuteranopia (no green cones) | #7585B0 | 0.128 |
| Tritanopia (no blue cones) | #BB6B83 | 0.082 |
| Achromatopsia (no color) | #818181 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B663B3
#B663B3
oklch(62.3% 0.148 328.5)
- #389F51
#389F51
oklch(62.4% 0.148 148.3)
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 #B663B3, closest first.
No curated palette has a color within ΔE 0.04 of #B663B3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.037
- Dark Lilac #9C6DA5 ΔE 0.055
- Amethyst #9B5FC0 ΔE 0.056
- Pinky Purple #C94CBE ΔE 0.058
- Deep Lilac #966EBD ΔE 0.059
- Medium Orchid #BA55D3 ΔE 0.061
- Wisteria #A87DC2 ΔE 0.062
- Pale Magenta #D767AD ΔE 0.063
Use #B663B3 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.