#B571E7
Closest named color: Light Urple (#B36FF6). oklch(67% 0.179 309), rgb(181, 113, 231).
Aa
Black text reads best on this color (6.48:1).
About this color
#B571E7 is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.179 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.024 away. Black text reads best on it, at 6.48:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.48:1 |
| White text | 3.24:1 |
Values
| HEX | #B571E7 |
| RGB | rgb(181, 113, 231) |
| HSL | hsl(275, 71%, 67%) |
| OKLCH | oklch(67% 0.179 309) |
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 #B571E7 | 3.24:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #B571E7 | 6.48:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #B571E7 text on white | 3.24:1 | AA large text | Lc 59.4 | Large or bold text, headings |
| #B571E7 text on black | 6.48:1 | AA | Lc -42.4 | Non-text elements, placeholder text |
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
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#F0E4FB
oklch(93.5% 0.033 309)
-
Step 200
200
#E5CFF9
oklch(88.6% 0.061 308.7)
-
Step 300
300
#D6ADF8
oklch(81% 0.112 309)
-
Step 400
400 (this color)
#B571E7
oklch(67% 0.179 309)
-
Step 500
500
#B154EF
oklch(63.1% 0.228 308.8)
-
Step 600
600
#9D2DDE
oklch(55.6% 0.249 308.8)
-
Step 700
700
#871CC0
oklch(49.1% 0.231 309.2)
-
Step 800
800
#6D1C9C
oklch(42.7% 0.192 308.7)
-
Step 900
900
#58217C
oklch(37.7% 0.149 308.5)
-
Step 950
950
#341548
oklch(27% 0.094 309.5)
#B571E7 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) | #508CEB | 0.144 |
| Deuteranopia (no green cones) | #6590E4 | 0.130 |
| Tritanopia (no blue cones) | #AE85A2 | 0.126 |
| Achromatopsia (no color) | #8F8F8F | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B571E7
#B571E7
oklch(67% 0.179 309)
- #72A900
#72A900
oklch(67.1% 0.178 129.1)
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 #B571E7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.024
- Light Purple #BF77F6 ΔE 0.030
- Easter Purple #C071FE ΔE 0.038
- Bright Lavender #C760FF ΔE 0.058
- Bright Lilac #C95EFB ΔE 0.058
- Medium Purple #9370DB ΔE 0.060
- Medium Orchid #BA55D3 ΔE 0.060
- Lighter Purple #A55AF4 ΔE 0.064
Use #B571E7 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.