#B663D4
Closest named color: Medium Orchid (#BA55D3). oklch(64% 0.181 316.4), rgb(182, 99, 212).
Aa
Black text reads best on this color (5.72:1).
About this color
#B663D4 is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.181 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.028 away. Black text reads best on it, at 5.72:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.72:1 |
| White text | 3.66:1 |
Values
| HEX | #B663D4 |
| RGB | rgb(182, 99, 212) |
| HSL | hsl(284, 57%, 61%) |
| OKLCH | oklch(64% 0.181 316.4) |
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 #B663D4 | 3.66:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #B663D4 | 5.72:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #B663D4 text on white | 3.66:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #B663D4 text on black | 5.72:1 | AA | Lc -37.8 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F6
oklch(93.6% 0.026 316.1)
-
Step 200
200
#E6D0EF
oklch(88.5% 0.048 316.2)
-
Step 300
300
#D7AFE7
oklch(80.8% 0.088 316.2)
-
Step 400
400
#C383DB
oklch(70.7% 0.141 316.4)
-
Step 500
500 (this color)
#B663D4
oklch(64% 0.181 316.4)
-
Step 600
600
#9E43BE
oklch(55.6% 0.196 316.1)
-
Step 700
700
#8733A4
oklch(49% 0.183 316.1)
-
Step 800
800
#6E2C85
oklch(42.7% 0.151 316.2)
-
Step 900
900
#59296A
oklch(37.6% 0.117 316.4)
-
Step 950
950
#34193E
oklch(27% 0.074 316.2)
#B663D4 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) | #4A80D8 | 0.162 |
| Deuteranopia (no green cones) | #6588D1 | 0.144 |
| Tritanopia (no blue cones) | #B57592 | 0.119 |
| Achromatopsia (no color) | #858585 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B663D4
#B663D4
oklch(64% 0.181 316.4)
- #52A31B
#52A31B
oklch(63.9% 0.181 136.4)
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 #B663D4, closest first.
No curated palette has a color within ΔE 0.04 of #B663D4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.028
- Light Urple #B36FF6 ΔE 0.053
- Amethyst #9B5FC0 ΔE 0.057
- Pinky Purple #C94CBE ΔE 0.058
- Medium Purple #9370DB ΔE 0.063
- Light Purple #BF77F6 ΔE 0.064
- Soft Purple #A66FB5 ΔE 0.064
- Lighter Purple #A55AF4 ΔE 0.064
Use #B663D4 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.