#BB37AD
Closest named color: Purpley Pink (#C83CB9). oklch(57.4% 0.21 332.6), rgb(187, 55, 173).
Aa
White text reads best on this color (4.92:1).
About this color
#BB37AD is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.210 and its hue 333°. 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 4.92:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.210) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #BB37AD |
| RGB | rgb(187, 55, 173) |
| HSL | hsl(306, 55%, 47%) |
| OKLCH | oklch(57.4% 0.21 332.6) |
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 #BB37AD | 4.92:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #BB37AD | 4.26:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #BB37AD text on white | 4.92:1 | AA | Lc 73.0 | Content text, not long reading |
| #BB37AD text on black | 4.26:1 | AA large text | Lc -28.7 | 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
#F6E3F2
oklch(93.5% 0.029 332.8)
-
Step 200
200
#EFCDE8
oklch(88.5% 0.052 333.1)
-
Step 300
300
#E6AADB
oklch(80.9% 0.095 333)
-
Step 400
400
#D77AC9
oklch(70.7% 0.151 332.8)
-
Step 500
500
#CA53BB
oklch(63.2% 0.193 332.8)
-
Step 600
600 (this color)
#BB37AD
oklch(57.4% 0.21 332.6)
-
Step 700
700
#9B208F
oklch(49% 0.196 332.6)
-
Step 800
800
#7E1E74
oklch(42.6% 0.162 332.7)
-
Step 900
900
#66205E
oklch(37.7% 0.127 332.6)
-
Step 950
950
#3C1437
oklch(26.9% 0.081 332.7)
#BB37AD 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) | #3164B0 | 0.226 |
| Deuteranopia (no green cones) | #6177AA | 0.193 |
| Tritanopia (no blue cones) | #C3446E | 0.109 |
| Achromatopsia (no color) | #707070 | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB37AD
#BB37AD
oklch(57.4% 0.21 332.6)
- #00914B
#00914B
oklch(57.5% 0.149 152.7)
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 #BB37AD, closest first.
No curated palette has a color within ΔE 0.04 of #BB37AD.
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 0.050
- Purply #983FB2 ΔE 0.068
- Medium Violet Red #C71585 ΔE 0.068
- Medium Orchid #BA55D3 ΔE 0.071
- Dark Orchid #9932CC ΔE 0.088
- Warm Purple #952E8F ΔE 0.089
- Amethyst #9B5FC0 ΔE 0.090
Use #BB37AD 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.