#B581E5
Closest named color: Light Purple (#BF77F6). oklch(69.4% 0.151 306.9), rgb(181, 129, 229).
Aa
Black text reads best on this color (7.23:1).
About this color
#B581E5 is a medium-light, vivid purple. In OKLCH its lightness is 69%, its chroma 0.151 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Purple (#BF77F6), ΔE 0.039 away. Black text reads best on it, at 7.23:1.
| Hue family | Purples |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Light Purple (#BF77F6) |
| Black text | 7.23:1 |
| White text | 2.90:1 |
Values
| HEX | #B581E5 |
| RGB | rgb(181, 129, 229) |
| HSL | hsl(271, 66%, 70%) |
| OKLCH | oklch(69.4% 0.151 306.9) |
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 #B581E5 | 2.90:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #B581E5 | 7.23:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #B581E5 text on white | 2.90:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #B581E5 text on black | 7.23:1 | AAA | Lc -46.6 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EEE5F9
oklch(93.5% 0.028 306)
-
Step 200
200
#E2D1F5
oklch(88.6% 0.052 306.6)
-
Step 300
300
#D0B1F1
oklch(80.9% 0.094 306.5)
-
Step 400
400 (this color)
#B581E5
oklch(69.4% 0.151 306.9)
-
Step 500
500
#A862E3
oklch(63.1% 0.193 306.7)
-
Step 600
600
#9444D0
oklch(55.6% 0.209 307.1)
-
Step 700
700
#7E34B4
oklch(49.1% 0.194 307)
-
Step 800
800
#662D92
oklch(42.7% 0.161 306.7)
-
Step 900
900
#532A74
oklch(37.7% 0.125 306.9)
-
Step 950
950
#311944
oklch(27% 0.08 307.6)
#B581E5 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) | #6996E9 | 0.111 |
| Deuteranopia (no green cones) | #7698E2 | 0.102 |
| Tritanopia (no blue cones) | #AE91A8 | 0.111 |
| Achromatopsia (no color) | #989898 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B581E5
#B581E5
oklch(69.4% 0.151 306.9)
- #83AD38
#83AD38
oklch(69.4% 0.151 127)
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 #B581E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Purple #BF77F6 ΔE 0.039
- Liliac #C48EFD ΔE 0.050
- Pale Purple #B790D4 ΔE 0.050
- Light Urple #B36FF6 ΔE 0.052
- Wisteria #A87DC2 ΔE 0.056
- Easter Purple #C071FE ΔE 0.057
- Perrywinkle #8F8CE7 ΔE 0.061
- Lavender Blue #8B88F8 ΔE 0.069
Use #B581E5 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.