#BB51C8
Closest named color: Medium Orchid (#BA55D3). oklch(61.6% 0.198 323.2), rgb(187, 81, 200).
Aa
Black text reads best on this color (5.12:1).
About this color
#BB51C8 is a medium-dark, vivid purple. In OKLCH its lightness is 62%, its chroma 0.198 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.017 away. Black text reads best on it, at 5.12:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.12:1 |
| White text | 4.09:1 |
Values
| HEX | #BB51C8 |
| RGB | rgb(187, 81, 200) |
| HSL | hsl(293, 52%, 55%) |
| OKLCH | oklch(61.6% 0.198 323.2) |
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 #BB51C8 | 4.09:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #BB51C8 | 5.12:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #BB51C8 text on white | 4.09:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #BB51C8 text on black | 5.12:1 | AA | Lc -34.2 | 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
#F3E4F5
oklch(93.6% 0.028 322.2)
-
Step 200
200
#EBCEEE
oklch(88.5% 0.053 323.1)
-
Step 300
300
#DFACE5
oklch(80.9% 0.096 322.9)
-
Step 400
400
#CE7CD8
oklch(70.6% 0.156 323)
-
Step 500
500 (this color)
#BB51C8
oklch(61.6% 0.198 323.2)
-
Step 600
600
#AB34BA
oklch(55.6% 0.216 323)
-
Step 700
700
#9325A0
oklch(49.2% 0.2 323.2)
-
Step 800
800
#772182
oklch(42.6% 0.167 322.9)
-
Step 900
900
#602268
oklch(37.6% 0.13 323)
-
Step 950
950
#39153D
oklch(27% 0.083 323.6)
#BB51C8 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) | #3B75CC | 0.196 |
| Deuteranopia (no green cones) | #6282C5 | 0.171 |
| Tritanopia (no blue cones) | #BE6285 | 0.118 |
| Achromatopsia (no color) | #7D7D7D | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB51C8
#BB51C8
oklch(61.6% 0.198 323.2)
- #14A11D
#14A11D
oklch(61.7% 0.199 143.2)
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 #BB51C8, closest first.
No curated palette has a color within ΔE 0.04 of #BB51C8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.017
- Pinky Purple #C94CBE ΔE 0.030
- Purpley Pink #C83CB9 ΔE 0.043
- Amethyst #9B5FC0 ΔE 0.063
- Purple Pink #D725DE ΔE 0.078
- Lighter Purple #A55AF4 ΔE 0.079
- Bright Lilac #C95EFB ΔE 0.081
- Soft Purple #A66FB5 ΔE 0.081
Use #BB51C8 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.