#B503C8
Closest named color: Vibrant Purple (#AD03DE). oklch(55.6% 0.261 323), rgb(181, 3, 200).
Aa
White text reads best on this color (5.50:1).
About this color
#B503C8 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.261 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Vibrant Purple (#AD03DE), ΔE 0.039 away. White text reads best on it, at 5.50:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.261) |
| Temperature | in between |
| Nearest name | Vibrant Purple (#AD03DE) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #B503C8 |
| RGB | rgb(181, 3, 200) |
| HSL | hsl(294, 97%, 40%) |
| OKLCH | oklch(55.6% 0.261 323) |
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 #B503C8 | 5.50:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #B503C8 | 3.81:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #B503C8 text on white | 5.50:1 | AA | Lc 75.1 | Fine for body text |
| #B503C8 text on black | 3.81:1 | AA large text | Lc -26.6 | 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
#FBF2FC
oklch(97.1% 0.016 322.7)
-
Step 100
100
#F5E3F7
oklch(93.6% 0.033 322.8)
-
Step 200
200
#EFCBF3
oklch(88.5% 0.066 322.9)
-
Step 300
300
#E5A7ED
oklch(80.9% 0.117 322.6)
-
Step 400
400
#D772E3
oklch(70.7% 0.188 323.2)
-
Step 500
500
#CA42DB
oklch(63.1% 0.241 323.1)
-
Step 600
600 (this color)
#B503C8
oklch(55.6% 0.261 323)
-
Step 700
700
#9900AA
oklch(49.1% 0.232 322.8)
-
Step 800
800
#7E018C
oklch(42.6% 0.201 322.9)
-
Step 900
900
#661570
oklch(37.7% 0.156 323)
-
Step 950
950
#3C0F42
oklch(27% 0.1 322.8)
#B503C8 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) | #005ECC | 0.254 |
| Deuteranopia (no green cones) | #376EC4 | 0.237 |
| Tritanopia (no blue cones) | #B83F75 | 0.153 |
| Achromatopsia (no color) | #696969 | 0.264 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B503C8
#B503C8
oklch(55.6% 0.261 323)
- #008C0C
#008C0C
oklch(55.5% 0.186 143)
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 #B503C8, closest first.
No curated palette has a color within ΔE 0.04 of #B503C8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vibrant Purple #AD03DE ΔE 0.039
- Dark Orchid #9932CC ΔE 0.061
- Dark Violet #9400D3 ΔE 0.072
- Purpley Pink #C83CB9 ΔE 0.075
- Hot Purple #CB00F5 ΔE 0.078
- Purple Pink #D725DE ΔE 0.079
- Purply #983FB2 ΔE 0.079
- Bright Purple #BE03FD ΔE 0.081
Use #B503C8 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.