#B437B4
Closest named color: Purpley Pink (#C83CB9). oklch(56.8% 0.212 327.9), rgb(180, 55, 180).
Aa
White text reads best on this color (5.06:1).
About this color
#B437B4 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.212 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 0.041 away. White text reads best on it, at 5.06:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.212) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #B437B4 |
| RGB | rgb(180, 55, 180) |
| HSL | hsl(300, 53%, 46%) |
| OKLCH | oklch(56.8% 0.212 327.9) |
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 #B437B4 | 5.06:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #B437B4 | 4.14:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #B437B4 text on white | 5.06:1 | AA | Lc 73.9 | Content text, not long reading |
| #B437B4 text on black | 4.14:1 | AA large text | Lc -27.8 | 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
#E3ABE0
oklch(81% 0.095 328.2)
-
Step 400
400
#D37BD0
oklch(70.7% 0.153 328.3)
-
Step 500
500
#C555C4
oklch(63.2% 0.195 327.9)
-
Step 600
600 (this color)
#B437B4
oklch(56.8% 0.212 327.9)
-
Step 700
700
#972397
oklch(49.1% 0.197 328.1)
-
Step 800
800
#7B207B
oklch(42.7% 0.164 328)
-
Step 900
900
#632263
oklch(37.7% 0.127 327.7)
-
Step 950
950
#3A153A
oklch(26.9% 0.08 327.5)
#B437B4 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) | #2264B8 | 0.225 |
| Deuteranopia (no green cones) | #5874B1 | 0.190 |
| Tritanopia (no blue cones) | #BA4972 | 0.118 |
| Achromatopsia (no color) | #6E6E6E | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B437B4
#B437B4
oklch(56.8% 0.212 327.9)
- #008F37
#008F37
oklch(56.7% 0.165 147.9)
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 #B437B4, closest first.
No curated palette has a color within ΔE 0.04 of #B437B4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.041
- Purply #983FB2 ΔE 0.054
- Pinky Purple #C94CBE ΔE 0.058
- Medium Orchid #BA55D3 ΔE 0.067
- Dark Orchid #9932CC ΔE 0.070
- Amethyst #9B5FC0 ΔE 0.082
- Vibrant Purple #AD03DE ΔE 0.083
- Warm Purple #952E8F ΔE 0.083
Use #B437B4 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.