#BB51DF
Closest named color: Medium Orchid (#BA55D3). oklch(62.9% 0.22 316.5), rgb(187, 81, 223).
Aa
Black text reads best on this color (5.35:1).
About this color
#BB51DF is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.220 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 0.020 away. Black text reads best on it, at 5.35:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.220) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #BB51DF |
| RGB | rgb(187, 81, 223) |
| HSL | hsl(285, 69%, 60%) |
| OKLCH | oklch(62.9% 0.22 316.5) |
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 #BB51DF | 3.92:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #BB51DF | 5.35:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #BB51DF text on white | 3.92:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #BB51DF text on black | 5.35:1 | AA | Lc -35.8 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F2E4F8
oklch(93.6% 0.031 315.9)
-
Step 200
200
#E9CEF4
oklch(88.6% 0.059 316.2)
-
Step 300
300
#DCABEF
oklch(80.8% 0.107 316.4)
-
Step 400
400
#CA7BE7
oklch(70.7% 0.171 316.4)
-
Step 500
500 (this color)
#BB51DF
oklch(62.9% 0.22 316.5)
-
Step 600
600
#A72CCD
oklch(55.6% 0.238 316.5)
-
Step 700
700
#8F1BB2
oklch(49.1% 0.222 316.3)
-
Step 800
800
#741B90
oklch(42.7% 0.184 316.3)
-
Step 900
900
#5E1F73
oklch(37.7% 0.144 316.4)
-
Step 950
950
#371443
oklch(26.9% 0.091 316.5)
#BB51DF 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) | #1B7AE3 | 0.211 |
| Deuteranopia (no green cones) | #5284DC | 0.183 |
| Tritanopia (no blue cones) | #B96B91 | 0.142 |
| Achromatopsia (no color) | #818181 | 0.221 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB51DF
#BB51DF
oklch(62.9% 0.22 316.5)
- #4BA100
#4BA100
oklch(63% 0.189 136.5)
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 #BB51DF, closest first.
No curated palette has a color within ΔE 0.04 of #BB51DF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.020
- Lighter Purple #A55AF4 ΔE 0.052
- Bright Lilac #C95EFB ΔE 0.053
- Bright Lavender #C760FF ΔE 0.057
- Pinky Purple #C94CBE ΔE 0.057
- Heliotrope #D94FF5 ΔE 0.062
- Light Urple #B36FF6 ΔE 0.064
- Purpley Pink #C83CB9 ΔE 0.067
Use #BB51DF 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.