#B437A4
Closest named color: Purpley Pink (#C83CB9). oklch(55.9% 0.2 333.5), rgb(180, 55, 164).
Aa
White text reads best on this color (5.21:1).
About this color
#B437A4 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.200 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley Pink (#C83CB9), ΔE 0.050 away. White text reads best on it, at 5.21:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.200) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #B437A4 |
| RGB | rgb(180, 55, 164) |
| HSL | hsl(308, 53%, 46%) |
| OKLCH | oklch(55.9% 0.2 333.5) |
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 #B437A4 | 5.21:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #B437A4 | 4.02:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #B437A4 text on white | 5.21:1 | AA | Lc 74.9 | Content text, not long reading |
| #B437A4 text on black | 4.02:1 | AA large text | Lc -26.9 | 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
#FBF3F9
oklch(97.2% 0.012 334.1)
-
Step 100
100
#F5E4F1
oklch(93.6% 0.025 333.7)
-
Step 200
200
#EECDE7
oklch(88.4% 0.05 333.3)
-
Step 300
300
#E5ABD9
oklch(80.9% 0.09 333.9)
-
Step 400
400
#D57CC6
oklch(70.7% 0.144 333.4)
-
Step 500
500
#C856B7
oklch(63.1% 0.184 333.7)
-
Step 600
600 (this color)
#B437A4
oklch(55.9% 0.2 333.5)
-
Step 700
700
#9A278C
oklch(49.2% 0.186 333.5)
-
Step 800
800
#7D2371
oklch(42.7% 0.153 333.8)
-
Step 900
900
#65235C
oklch(37.8% 0.12 333.4)
-
Step 950
950
#3B1636
oklch(27% 0.075 332.9)
#B437A4 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) | #3361A7 | 0.215 |
| Deuteranopia (no green cones) | #6073A1 | 0.184 |
| Tritanopia (no blue cones) | #BC4269 | 0.103 |
| Achromatopsia (no color) | #6C6C6C | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B437A4
#B437A4
oklch(55.9% 0.2 333.5)
- #008B4A
#008B4A
oklch(55.8% 0.143 153.4)
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 #B437A4, closest first.
No curated palette has a color within ΔE 0.04 of #B437A4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.050
- Purply #983FB2 ΔE 0.059
- Medium Violet Red #C71585 ΔE 0.063
- Pinky Purple #C94CBE ΔE 0.065
- Warm Purple #952E8F ΔE 0.071
- Medium Orchid #BA55D3 ΔE 0.083
- Dark Orchid #9932CC ΔE 0.088
- Amethyst #9B5FC0 ΔE 0.089
Use #B437A4 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.