#B337B1
Closest named color: Purpley Pink (#C83CB9). oklch(56.4% 0.209 328.6), rgb(179, 55, 177).
Aa
White text reads best on this color (5.12:1).
About this color
#B337B1 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.209 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley Pink (#C83CB9), ΔE 0.044 away. White text reads best on it, at 5.12:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.209) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.09:1 |
| White text | 5.12:1 |
Values
| HEX | #B337B1 |
| RGB | rgb(179, 55, 177) |
| HSL | hsl(301, 53%, 46%) |
| OKLCH | oklch(56.4% 0.209 328.6) |
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 #B337B1 | 5.12:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #B337B1 | 4.09:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #B337B1 text on white | 5.12:1 | AA | Lc 74.3 | Content text, not long reading |
| #B337B1 text on black | 4.09:1 | AA large text | Lc -27.4 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F5E4F3
oklch(93.7% 0.027 329.5)
-
Step 200
200
#EDCDEB
oklch(88.4% 0.053 328)
-
Step 300
300
#E3ABDF
oklch(80.9% 0.094 328.8)
-
Step 400
400
#D37CCF
oklch(70.8% 0.15 328.7)
-
Step 500
500
#C555C2
oklch(63.1% 0.193 328.6)
-
Step 600
600 (this color)
#B337B1
oklch(56.4% 0.209 328.6)
-
Step 700
700
#972496
oklch(49.1% 0.195 328.4)
-
Step 800
800
#7B2179
oklch(42.7% 0.161 328.9)
-
Step 900
900
#632262
oklch(37.7% 0.126 328.3)
-
Step 950
950
#3A1539
oklch(26.9% 0.079 328.5)
#B337B1 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) | #2563B4 | 0.222 |
| Deuteranopia (no green cones) | #5873AE | 0.188 |
| Tritanopia (no blue cones) | #B94870 | 0.116 |
| Achromatopsia (no color) | #6E6E6E | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B337B1
#B337B1
oklch(56.4% 0.209 328.6)
- #008E3A
#008E3A
oklch(56.4% 0.161 148.6)
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 #B337B1, closest first.
No curated palette has a color within ΔE 0.04 of #B337B1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.044
- Purply #983FB2 ΔE 0.052
- Pinky Purple #C94CBE ΔE 0.060
- Medium Orchid #BA55D3 ΔE 0.070
- Dark Orchid #9932CC ΔE 0.071
- Warm Purple #952E8F ΔE 0.079
- Medium Violet Red #C71585 ΔE 0.081
- Amethyst #9B5FC0 ΔE 0.082
Use #B337B1 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.