#B644D4
Closest named color: Medium Orchid (#BA55D3). oklch(60.2% 0.224 318.5), rgb(182, 68, 212).
Aa
Black text reads best on this color (4.76:1).
About this color
#B644D4 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.224 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.032 away. Black text reads best on it, at 4.76:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.224) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.76:1 |
| White text | 4.40:1 |
Values
| HEX | #B644D4 |
| RGB | rgb(182, 68, 212) |
| HSL | hsl(288, 63%, 55%) |
| OKLCH | oklch(60.2% 0.224 318.5) |
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 #B644D4 | 4.40:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #B644D4 | 4.76:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #B644D4 text on white | 4.40:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #B644D4 text on black | 4.76:1 | AA | Lc -32.0 | 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 500.
-
Step 50
50
#FAF3FC
oklch(97.2% 0.014 318.7)
-
Step 100
100
#F3E4F8
oklch(93.7% 0.031 317.7)
-
Step 200
200
#EBCDF3
oklch(88.5% 0.061 319.1)
-
Step 300
300
#DFAAEE
oklch(80.9% 0.109 318.7)
-
Step 400
400
#CE78E6
oklch(70.7% 0.177 318.6)
-
Step 500
500 (this color)
#B644D4
oklch(60.2% 0.224 318.5)
-
Step 600
600
#AB26CB
oklch(55.6% 0.243 318.6)
-
Step 700
700
#9313B0
oklch(49.2% 0.227 318.6)
-
Step 800
800
#77178E
oklch(42.7% 0.187 318.6)
-
Step 900
900
#601D72
oklch(37.7% 0.146 318.2)
-
Step 950
950
#391343
oklch(27.1% 0.093 318.7)
#B644D4 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) | #0071D8 | 0.222 |
| Deuteranopia (no green cones) | #4C7CD1 | 0.190 |
| Tritanopia (no blue cones) | #B65F87 | 0.141 |
| Achromatopsia (no color) | #787878 | 0.226 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B644D4
#B644D4
oklch(60.2% 0.224 318.5)
- #3A9900
#3A9900
oklch(60.2% 0.188 138.5)
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 #B644D4, closest first.
No curated palette has a color within ΔE 0.04 of #B644D4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.032
- Purpley Pink #C83CB9 ΔE 0.055
- Pinky Purple #C94CBE ΔE 0.056
- Lighter Purple #A55AF4 ΔE 0.066
- Dark Orchid #9932CC ΔE 0.067
- Vibrant Purple #AD03DE ΔE 0.067
- Purple Pink #D725DE ΔE 0.067
- Amethyst #9B5FC0 ΔE 0.075
Use #B644D4 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.