#BB51E1
Closest named color: Medium Orchid (#BA55D3). oklch(63% 0.222 315.9), rgb(187, 81, 225).
Aa
Black text reads best on this color (5.37:1).
About this color
#BB51E1 is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.222 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 0.023 away. Black text reads best on it, at 5.37:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.222) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #BB51E1 |
| RGB | rgb(187, 81, 225) |
| HSL | hsl(284, 71%, 60%) |
| OKLCH | oklch(63% 0.222 315.9) |
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 #BB51E1 | 3.90:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #BB51E1 | 5.37:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #BB51E1 text on white | 3.90:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #BB51E1 text on black | 5.37:1 | AA | Lc -35.9 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F2E4F8
oklch(93.6% 0.031 315.9)
-
Step 200
200
#E9CEF5
oklch(88.6% 0.06 315.5)
-
Step 300
300
#DCABF0
oklch(80.9% 0.108 315.9)
-
Step 400
400
#CA7AE8
oklch(70.6% 0.174 316.2)
-
Step 500
500 (this color)
#BB51E1
oklch(63% 0.222 315.9)
-
Step 600
600
#A72BCF
oklch(55.6% 0.241 316)
-
Step 700
700
#8F19B3
oklch(49.1% 0.224 316)
-
Step 800
800
#741B91
oklch(42.7% 0.185 315.9)
-
Step 900
900
#5E1F74
oklch(37.7% 0.145 315.9)
-
Step 950
950
#371444
oklch(27% 0.092 315.7)
#BB51E1 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) | #167AE5 | 0.212 |
| Deuteranopia (no green cones) | #5184DE | 0.183 |
| Tritanopia (no blue cones) | #B96C92 | 0.145 |
| Achromatopsia (no color) | #818181 | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB51E1
#BB51E1
oklch(63% 0.222 315.9)
- #4EA100
#4EA100
oklch(63.1% 0.188 136)
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 #BB51E1, closest first.
No curated palette has a color within ΔE 0.04 of #BB51E1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.023
- Lighter Purple #A55AF4 ΔE 0.051
- Bright Lilac #C95EFB ΔE 0.051
- Bright Lavender #C760FF ΔE 0.055
- Pinky Purple #C94CBE ΔE 0.060
- Heliotrope #D94FF5 ΔE 0.061
- Light Urple #B36FF6 ΔE 0.063
- Purple Pink #D725DE ΔE 0.069
Use #BB51E1 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.