#B581EF
Closest named color: Light Purple (#BF77F6). oklch(69.9% 0.163 304.3), rgb(181, 129, 239).
Aa
Black text reads best on this color (7.35:1).
About this color
#B581EF is a medium-light, vivid purple. In OKLCH its lightness is 70%, its chroma 0.163 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Purple (#BF77F6), ΔE 0.030 away. Black text reads best on it, at 7.35:1.
| Hue family | Purples |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Light Purple (#BF77F6) |
| Black text | 7.35:1 |
| White text | 2.85:1 |
Values
| HEX | #B581EF |
| RGB | rgb(181, 129, 239) |
| HSL | hsl(268, 77%, 72%) |
| OKLCH | oklch(69.9% 0.163 304.3) |
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 #B581EF | 2.85:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #B581EF | 7.35:1 | AAA | Lc 49.5 | Large or bold text, headings |
| #B581EF text on white | 2.85:1 | Fails | Lc 54.5 | Large or bold text, headings |
| #B581EF text on black | 7.35:1 | AAA | Lc -47.3 | Large or bold text, headings |
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 400.
-
Step 50
50
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E1D0F8
oklch(88.4% 0.057 304.5)
-
Step 300
300
#CFB0F6
oklch(80.8% 0.102 304.5)
-
Step 400
400 (this color)
#B581EF
oklch(69.9% 0.163 304.3)
-
Step 500
500
#A65FED
oklch(63.1% 0.208 304.1)
-
Step 600
600
#923EDB
oklch(55.5% 0.227 304.3)
-
Step 700
700
#7D2EBE
oklch(49.1% 0.211 304.5)
-
Step 800
800
#65299A
oklch(42.7% 0.174 304.1)
-
Step 900
900
#52287A
oklch(37.7% 0.135 304.2)
-
Step 950
950
#301848
oklch(26.9% 0.087 304.2)
#B581EF 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) | #6397F3 | 0.117 |
| Deuteranopia (no green cones) | #7099EC | 0.108 |
| Tritanopia (no blue cones) | #AB94AD | 0.122 |
| Achromatopsia (no color) | #999999 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B581EF
#B581EF
oklch(69.9% 0.163 304.3)
- #89AE23
#89AE23
oklch(69.9% 0.162 124.2)
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 #B581EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Purple #BF77F6 ΔE 0.030
- Liliac #C48EFD ΔE 0.043
- Light Urple #B36FF6 ΔE 0.044
- Easter Purple #C071FE ΔE 0.046
- Pale Purple #B790D4 ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.063
- Periwinkle #8E82FE ΔE 0.064
- Lavender Blue #8B88F8 ΔE 0.065
Use #B581EF 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.