#BB37B2
Closest named color: Purpley Pink (#C83CB9). oklch(57.7% 0.214 330.9), rgb(187, 55, 178).
Aa
White text reads best on this color (4.88:1).
About this color
#BB37B2 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.214 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley Pink (#C83CB9), ΔE 0.029 away. White text reads best on it, at 4.88:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.214) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.30:1 |
| White text | 4.88:1 |
Values
| HEX | #BB37B2 |
| RGB | rgb(187, 55, 178) |
| HSL | hsl(304, 55%, 47%) |
| OKLCH | oklch(57.7% 0.214 330.9) |
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 #BB37B2 | 4.88:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #BB37B2 | 4.30:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #BB37B2 text on white | 4.88:1 | AA | Lc 72.7 | Content text, not long reading |
| #BB37B2 text on black | 4.30:1 | AA large text | Lc -29.0 | Dividers and decoration only |
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 600.
-
Step 50
50
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F5E3F3
oklch(93.5% 0.029 329.3)
-
Step 200
200
#EFCDEA
oklch(88.6% 0.054 330.9)
-
Step 300
300
#E5AADE
oklch(80.9% 0.097 330.5)
-
Step 400
400
#D67ACD
oklch(70.8% 0.154 330.7)
-
Step 500
500
#C952BF
oklch(63.1% 0.197 331)
-
Step 600
600 (this color)
#BB37B2
oklch(57.7% 0.214 330.9)
-
Step 700
700
#9B1F93
oklch(49.2% 0.2 331.1)
-
Step 800
800
#7E1E77
oklch(42.8% 0.165 331.2)
-
Step 900
900
#652060
oklch(37.6% 0.128 330.8)
-
Step 950
950
#3C1438
oklch(27% 0.082 331.6)
#BB37B2 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) | #2C65B5 | 0.229 |
| Deuteranopia (no green cones) | #5F77AF | 0.194 |
| Tritanopia (no blue cones) | #C24771 | 0.114 |
| Achromatopsia (no color) | #717171 | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB37B2
#BB37B2
oklch(57.7% 0.214 330.9)
- #009245
#009245
oklch(57.7% 0.156 150.8)
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 #BB37B2, closest first.
No curated palette has a color within ΔE 0.04 of #BB37B2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.029
- Pinky Purple #C94CBE ΔE 0.048
- Medium Orchid #BA55D3 ΔE 0.066
- Purply #983FB2 ΔE 0.067
- Medium Violet Red #C71585 ΔE 0.075
- Purple Pink #D725DE ΔE 0.083
- Dark Orchid #9932CC ΔE 0.083
- Amethyst #9B5FC0 ΔE 0.088
Use #BB37B2 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.