#B643C7
Closest named color: Medium Orchid (#BA55D3). oklch(59.3% 0.214 322.3), rgb(182, 67, 199).
Aa
Black text reads best on this color (4.61:1).
About this color
#B643C7 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.214 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 0.036 away. Black text reads best on it, at 4.61:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.214) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.61:1 |
| White text | 4.54:1 |
Values
| HEX | #B643C7 |
| RGB | rgb(182, 67, 199) |
| HSL | hsl(292, 54%, 52%) |
| OKLCH | oklch(59.3% 0.214 322.3) |
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 #B643C7 | 4.54:1 | AA | Lc -76.2 | Fine for body text |
| Black text on #B643C7 | 4.61:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #B643C7 text on white | 4.54:1 | AA | Lc 70.7 | Content text, not long reading |
| #B643C7 text on black | 4.61:1 | AA | Lc -31.0 | 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 600.
-
Step 50
50
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F5
oklch(93.6% 0.028 322.2)
-
Step 200
200
#EBCEEE
oklch(88.5% 0.053 323.1)
-
Step 300
300
#DFACE6
oklch(81% 0.097 322.4)
-
Step 400
400
#CD7DD9
oklch(70.7% 0.155 322.2)
-
Step 500
500
#BF57CE
oklch(63.2% 0.197 322.5)
-
Step 600
600 (this color)
#B643C7
oklch(59.3% 0.214 322.3)
-
Step 700
700
#9226A1
oklch(49.2% 0.2 322.5)
-
Step 800
800
#762382
oklch(42.7% 0.164 322.3)
-
Step 900
900
#602369
oklch(37.8% 0.129 322.3)
-
Step 950
950
#38163D
oklch(27% 0.081 322.4)
#B643C7 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) | #1E6DCB | 0.218 |
| Deuteranopia (no green cones) | #557AC4 | 0.185 |
| Tritanopia (no blue cones) | #B85980 | 0.128 |
| Achromatopsia (no color) | #767676 | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B643C7
#B643C7
oklch(59.3% 0.214 322.3)
- #079900
#079900
oklch(59.2% 0.201 142.3)
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 #B643C7, closest first.
No curated palette has a color within ΔE 0.04 of #B643C7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.036
- Purpley Pink #C83CB9 ΔE 0.041
- Pinky Purple #C94CBE ΔE 0.046
- Purply #983FB2 ΔE 0.065
- Dark Orchid #9932CC ΔE 0.068
- Amethyst #9B5FC0 ΔE 0.070
- Purple Pink #D725DE ΔE 0.073
- Vibrant Purple #AD03DE ΔE 0.075
Use #B643C7 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.