#B646CA
Closest named color: Medium Orchid (#BA55D3). oklch(59.8% 0.213 321.3), rgb(182, 70, 202).
Aa
Black text reads best on this color (4.71:1).
About this color
#B646CA is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.213 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.030 away. Black text reads best on it, at 4.71:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.213) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #B646CA |
| RGB | rgb(182, 70, 202) |
| HSL | hsl(291, 55%, 53%) |
| OKLCH | oklch(59.8% 0.213 321.3) |
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 #B646CA | 4.45:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #B646CA | 4.71:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #B646CA text on white | 4.45:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #B646CA text on black | 4.71:1 | AA | Lc -31.6 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F4E4F6
oklch(93.7% 0.029 322.4)
-
Step 200
200
#EBCDF1
oklch(88.4% 0.058 320.6)
-
Step 300
300
#E0AAE9
oklch(80.8% 0.104 321.6)
-
Step 400
400
#CF7ADE
oklch(70.7% 0.166 321.4)
-
Step 500
500 (this color)
#B646CA
oklch(59.8% 0.213 321.3)
-
Step 600
600
#AC2CC2
oklch(55.5% 0.231 321.2)
-
Step 700
700
#941BA8
oklch(49.2% 0.216 321.2)
-
Step 800
800
#781B88
oklch(42.7% 0.179 321.2)
-
Step 900
900
#611F6D
oklch(37.7% 0.139 321.1)
-
Step 950
950
#391440
oklch(27% 0.088 321)
#B646CA 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) | #206FCE | 0.214 |
| Deuteranopia (no green cones) | #557CC7 | 0.183 |
| Tritanopia (no blue cones) | #B85C82 | 0.130 |
| Achromatopsia (no color) | #777777 | 0.215 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B646CA
#B646CA
oklch(59.8% 0.213 321.3)
- #1F9A00
#1F9A00
oklch(59.8% 0.198 141.2)
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 #B646CA, closest first.
No curated palette has a color within ΔE 0.04 of #B646CA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.030
- Purpley Pink #C83CB9 ΔE 0.044
- Pinky Purple #C94CBE ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.067
- Purply #983FB2 ΔE 0.068
- Dark Orchid #9932CC ΔE 0.070
- Purple Pink #D725DE ΔE 0.073
- Lighter Purple #A55AF4 ΔE 0.076
Use #B646CA 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.