#B51ABE
Closest named color: Vibrant Purple (#AD03DE). oklch(55.6% 0.245 325.6), rgb(181, 26, 190).
Aa
White text reads best on this color (5.44:1).
About this color
#B51ABE is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.245 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Vibrant Purple (#AD03DE), ΔE 0.056 away. White text reads best on it, at 5.44:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.245) |
| Temperature | in between |
| Nearest name | Vibrant Purple (#AD03DE) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #B51ABE |
| RGB | rgb(181, 26, 190) |
| HSL | hsl(297, 76%, 42%) |
| OKLCH | oklch(55.6% 0.245 325.6) |
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 #B51ABE | 5.44:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #B51ABE | 3.85:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #B51ABE text on white | 5.44:1 | AA | Lc 75.4 | Fine for body text |
| #B51ABE text on black | 3.85:1 | AA large text | Lc -26.4 | 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
#FBF2FB
oklch(97.1% 0.015 325.7)
-
Step 100
100
#F6E3F6
oklch(93.7% 0.032 325.8)
-
Step 200
200
#EFCCEF
oklch(88.5% 0.06 326.1)
-
Step 300
300
#E6A8E7
oklch(81% 0.11 326)
-
Step 400
400
#D775DB
oklch(70.8% 0.176 325.8)
-
Step 500
500
#CA48D1
oklch(63.1% 0.226 325.7)
-
Step 600
600 (this color)
#B51ABE
oklch(55.6% 0.245 325.6)
-
Step 700
700
#9C01A4
oklch(49.2% 0.229 325.7)
-
Step 800
800
#7E0E85
oklch(42.6% 0.189 325.4)
-
Step 900
900
#66196B
oklch(37.7% 0.148 325.3)
-
Step 950
950
#3C113E
oklch(27% 0.093 326)
#B51ABE 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) | #005EC2 | 0.251 |
| Deuteranopia (no green cones) | #4670BA | 0.223 |
| Tritanopia (no blue cones) | #B93F71 | 0.140 |
| Achromatopsia (no color) | #6A6A6A | 0.247 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B51ABE
#B51ABE
oklch(55.6% 0.245 325.6)
- #008C28
#008C28
oklch(55.7% 0.172 145.6)
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 #B51ABE, closest first.
No curated palette has a color within ΔE 0.04 of #B51ABE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vibrant Purple #AD03DE ΔE 0.056
- Purpley Pink #C83CB9 ΔE 0.061
- Dark Orchid #9932CC ΔE 0.062
- Purply #983FB2 ΔE 0.068
- Purple Pink #D725DE ΔE 0.081
- Dark Violet #9400D3 ΔE 0.082
- Pinky Purple #C94CBE ΔE 0.082
- Medium Orchid #BA55D3 ΔE 0.086
Use #B51ABE 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.