#BB37C1
Closest named color: Purpley Pink (#C83CB9). oklch(58.5% 0.226 326.1), rgb(187, 55, 193).
Aa
White text reads best on this color (4.74:1).
About this color
#BB37C1 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.226 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley Pink (#C83CB9), ΔE 0.032 away. White text reads best on it, at 4.74:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.226) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #BB37C1 |
| RGB | rgb(187, 55, 193) |
| HSL | hsl(297, 56%, 49%) |
| OKLCH | oklch(58.5% 0.226 326.1) |
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 #BB37C1 | 4.74:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #BB37C1 | 4.42:1 | AA large text | Lc 32.3 | Non-text elements, placeholder text |
| #BB37C1 text on white | 4.74:1 | AA | Lc 71.8 | Content text, not long reading |
| #BB37C1 text on black | 4.42:1 | AA large text | Lc -29.9 | 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
#F5E3F5
oklch(93.5% 0.031 325.8)
-
Step 200
200
#EDCDED
oklch(88.5% 0.055 326)
-
Step 300
300
#E3AAE4
oklch(80.9% 0.101 325.9)
-
Step 400
400
#D379D6
oklch(70.7% 0.162 326)
-
Step 500
500
#C650CB
oklch(63.1% 0.208 326.1)
-
Step 600
600 (this color)
#BB37C1
oklch(58.5% 0.226 326.1)
-
Step 700
700
#981B9E
oklch(49.1% 0.21 326)
-
Step 800
800
#7C1B80
oklch(42.8% 0.174 326.3)
-
Step 900
900
#641F67
oklch(37.8% 0.135 326.1)
-
Step 950
950
#3B143C
oklch(27.1% 0.085 326.6)
#BB37C1 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) | #1369C5 | 0.239 |
| Deuteranopia (no green cones) | #5679BE | 0.202 |
| Tritanopia (no blue cones) | #C04E79 | 0.129 |
| Achromatopsia (no color) | #737373 | 0.228 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB37C1
#BB37C1
oklch(58.5% 0.226 326.1)
- #00962F
#00962F
oklch(58.6% 0.179 146)
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 #BB37C1, closest first.
No curated palette has a color within ΔE 0.04 of #BB37C1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.032
- Pinky Purple #C94CBE ΔE 0.048
- Medium Orchid #BA55D3 ΔE 0.053
- Purple Pink #D725DE ΔE 0.067
- Purply #983FB2 ΔE 0.069
- Dark Orchid #9932CC ΔE 0.072
- Vibrant Purple #AD03DE ΔE 0.073
- Amethyst #9B5FC0 ΔE 0.087
Use #BB37C1 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.