#BB37BB
Closest named color: Purpley Pink (#C83CB9). oklch(58.2% 0.221 328), rgb(187, 55, 187).
Aa
White text reads best on this color (4.79:1).
About this color
#BB37BB is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.221 and its hue 328°. 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 4.79:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.221) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #BB37BB |
| RGB | rgb(187, 55, 187) |
| HSL | hsl(300, 55%, 47%) |
| OKLCH | oklch(58.2% 0.221 328) |
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 #BB37BB | 4.79:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #BB37BB | 4.37:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #BB37BB text on white | 4.79:1 | AA | Lc 72.2 | Content text, not long reading |
| #BB37BB text on black | 4.37:1 | AA large text | Lc -29.5 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F5E3F4
oklch(93.5% 0.03 327.5)
-
Step 200
200
#EECDEC
oklch(88.5% 0.055 327.9)
-
Step 300
300
#E4AAE1
oklch(80.9% 0.099 328.2)
-
Step 400
400
#D479D2
oklch(70.6% 0.159 327.9)
-
Step 500
500
#C751C6
oklch(63.1% 0.203 328)
-
Step 600
600 (this color)
#BB37BB
oklch(58.2% 0.221 328)
-
Step 700
700
#991D9A
oklch(49.1% 0.206 327.8)
-
Step 800
800
#7C1C7D
oklch(42.7% 0.17 327.6)
-
Step 900
900
#641F64
oklch(37.6% 0.133 327.8)
-
Step 950
950
#3B143B
oklch(27% 0.084 327.6)
#BB37BB 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) | #2067BF | 0.235 |
| Deuteranopia (no green cones) | #5A78B8 | 0.198 |
| Tritanopia (no blue cones) | #C14B76 | 0.123 |
| Achromatopsia (no color) | #727272 | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB37BB
#BB37BB
oklch(58.2% 0.221 328)
- #00943A
#00943A
oklch(58.1% 0.168 148.1)
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 #BB37BB, closest first.
No curated palette has a color within ΔE 0.04 of #BB37BB.
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 0.047
- Medium Orchid #BA55D3 ΔE 0.057
- Purply #983FB2 ΔE 0.068
- Purple Pink #D725DE ΔE 0.073
- Dark Orchid #9932CC ΔE 0.076
- Vibrant Purple #AD03DE ΔE 0.080
- Amethyst #9B5FC0 ΔE 0.087
Use #BB37BB 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.