#BB51C3
Closest named color: Medium Orchid (#BA55D3). oklch(61.3% 0.194 324.8), rgb(187, 81, 195).
Aa
Black text reads best on this color (5.07:1).
About this color
#BB51C3 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.194 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.024 away. Black text reads best on it, at 5.07:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.194) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #BB51C3 |
| RGB | rgb(187, 81, 195) |
| HSL | hsl(296, 49%, 54%) |
| OKLCH | oklch(61.3% 0.194 324.8) |
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 #BB51C3 | 4.13:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #BB51C3 | 5.07:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #BB51C3 text on white | 4.13:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #BB51C3 text on black | 5.07:1 | AA | Lc -33.9 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F4E4F4
oklch(93.6% 0.027 325.8)
-
Step 200
200
#ECCEED
oklch(88.6% 0.053 325)
-
Step 300
300
#E0ACE3
oklch(80.9% 0.095 324.6)
-
Step 400
400
#CF7DD4
oklch(70.7% 0.151 325)
-
Step 500
500 (this color)
#BB51C3
oklch(61.3% 0.194 324.8)
-
Step 600
600
#AC36B5
oklch(55.6% 0.21 324.9)
-
Step 700
700
#94269C
oklch(49.1% 0.196 325)
-
Step 800
800
#78237F
oklch(42.8% 0.162 324.6)
-
Step 900
900
#612366
oklch(37.7% 0.127 324.7)
-
Step 950
950
#39163C
oklch(27.1% 0.08 324.4)
#BB51C3 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) | #3F74C7 | 0.193 |
| Deuteranopia (no green cones) | #6581C0 | 0.167 |
| Tritanopia (no blue cones) | #BF6082 | 0.114 |
| Achromatopsia (no color) | #7D7D7D | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB51C3
#BB51C3
oklch(61.3% 0.194 324.8)
- #00A029
#00A029
oklch(61.3% 0.194 144.9)
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 #BB51C3, closest first.
No curated palette has a color within ΔE 0.04 of #BB51C3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.024
- Pinky Purple #C94CBE ΔE 0.027
- Purpley Pink #C83CB9 ΔE 0.040
- Amethyst #9B5FC0 ΔE 0.061
- Soft Purple #A66FB5 ΔE 0.078
- Purply #983FB2 ΔE 0.081
- Purple Pink #D725DE ΔE 0.082
- Lighter Purple #A55AF4 ΔE 0.085
Use #BB51C3 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.