#B51FBA
Closest named color: Purpley Pink (#C83CB9). oklch(55.6% 0.239 326.7), rgb(181, 31, 186).
Aa
White text reads best on this color (5.42:1).
About this color
#B51FBA is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.239 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley Pink (#C83CB9), ΔE 0.057 away. White text reads best on it, at 5.42:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.239) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 3.86:1 |
| White text | 5.42:1 |
Values
| HEX | #B51FBA |
| RGB | rgb(181, 31, 186) |
| HSL | hsl(298, 71%, 43%) |
| OKLCH | oklch(55.6% 0.239 326.7) |
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 #B51FBA | 5.42:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #B51FBA | 3.86:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #B51FBA text on white | 5.42:1 | AA | Lc 75.4 | Fine for body text |
| #B51FBA text on black | 3.86:1 | AA large text | Lc -26.3 | 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
#F6E3F5
oklch(93.6% 0.031 327.4)
-
Step 200
200
#EFCCEE
oklch(88.5% 0.059 327)
-
Step 300
300
#E6A8E5
oklch(80.9% 0.108 327)
-
Step 400
400
#D776D8
oklch(70.8% 0.171 326.8)
-
Step 500
500
#CA4ACD
oklch(63.1% 0.22 326.9)
-
Step 600
600 (this color)
#B51FBA
oklch(55.6% 0.239 326.7)
-
Step 700
700
#9C0AA0
oklch(49.1% 0.222 327)
-
Step 800
800
#7E1282
oklch(42.6% 0.184 326.5)
-
Step 900
900
#661B68
oklch(37.7% 0.143 326.8)
-
Step 950
950
#3C123D
oklch(27% 0.09 326.8)
#B51FBA 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) | #005EBE | 0.251 |
| Deuteranopia (no green cones) | #4B70B7 | 0.216 |
| Tritanopia (no blue cones) | #BA3F70 | 0.135 |
| Achromatopsia (no color) | #6A6A6A | 0.241 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B51FBA
#B51FBA
oklch(55.6% 0.239 326.7)
- #008B2F
#008B2F
oklch(55.5% 0.166 146.7)
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 #B51FBA, closest first.
No curated palette has a color within ΔE 0.04 of #B51FBA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.057
- Vibrant Purple #AD03DE ΔE 0.063
- Dark Orchid #9932CC ΔE 0.064
- Purply #983FB2 ΔE 0.065
- Pinky Purple #C94CBE ΔE 0.079
- Purple Pink #D725DE ΔE 0.084
- Medium Orchid #BA55D3 ΔE 0.084
- Dark Violet #9400D3 ΔE 0.087
Use #B51FBA 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.