#B31BBF
Closest named color: Vibrant Purple (#AD03DE). oklch(55.4% 0.245 324.7), rgb(179, 27, 191).
Aa
White text reads best on this color (5.48:1).
About this color
#B31BBF is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.245 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Vibrant Purple (#AD03DE), ΔE 0.053 away. White text reads best on it, at 5.48:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.245) |
| Temperature | in between |
| Nearest name | Vibrant Purple (#AD03DE) |
| Black text | 3.82:1 |
| White text | 5.48:1 |
Values
| HEX | #B31BBF |
| RGB | rgb(179, 27, 191) |
| HSL | hsl(296, 75%, 43%) |
| OKLCH | oklch(55.4% 0.245 324.7) |
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 #B31BBF | 5.48:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #B31BBF | 3.82:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #B31BBF text on white | 5.48:1 | AA | Lc 75.6 | Fine for body text |
| #B31BBF text on black | 3.82:1 | AA large text | Lc -26.1 | 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
#F5E3F6
oklch(93.6% 0.032 324.2)
-
Step 200
200
#EECCF0
oklch(88.5% 0.061 324.3)
-
Step 300
300
#E5A8E8
oklch(80.9% 0.11 325)
-
Step 400
400
#D675DD
oklch(70.8% 0.177 324.7)
-
Step 500
500
#C849D3
oklch(63% 0.225 324.5)
-
Step 600
600 (this color)
#B31BBF
oklch(55.4% 0.245 324.7)
-
Step 700
700
#9A05A5
oklch(49% 0.227 324.7)
-
Step 800
800
#7D1086
oklch(42.6% 0.188 324.5)
-
Step 900
900
#651A6B
oklch(37.7% 0.146 324.7)
-
Step 950
950
#3C113F
oklch(27% 0.094 325.1)
#B31BBF 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) | #005EC3 | 0.248 |
| Deuteranopia (no green cones) | #436FBC | 0.221 |
| Tritanopia (no blue cones) | #B74072 | 0.141 |
| Achromatopsia (no color) | #696969 | 0.247 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B31BBF
#B31BBF
oklch(55.4% 0.245 324.7)
- #008B21
#008B21
oklch(55.3% 0.176 144.7)
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 #B31BBF, closest first.
No curated palette has a color within ΔE 0.04 of #B31BBF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vibrant Purple #AD03DE ΔE 0.053
- Dark Orchid #9932CC ΔE 0.058
- Purpley Pink #C83CB9 ΔE 0.065
- Purply #983FB2 ΔE 0.066
- Dark Violet #9400D3 ΔE 0.078
- Purple Pink #D725DE ΔE 0.084
- Pinky Purple #C94CBE ΔE 0.085
- Medium Orchid #BA55D3 ΔE 0.086
Use #B31BBF 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.