#B581DF
Closest named color: Pale Purple (#B790D4). oklch(69.1% 0.144 308.5), rgb(181, 129, 223).
Aa
Black text reads best on this color (7.17:1).
About this color
#B581DF is a medium-light, vivid purple. In OKLCH its lightness is 69%, its chroma 0.144 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Purple (#B790D4), ΔE 0.045 away. Black text reads best on it, at 7.17:1.
| Hue family | Purples |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #B581DF |
| RGB | rgb(181, 129, 223) |
| HSL | hsl(273, 59%, 69%) |
| OKLCH | oklch(69.1% 0.144 308.5) |
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 #B581DF | 2.92:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #B581DF | 7.17:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #B581DF text on white | 2.92:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #B581DF text on black | 7.17:1 | AAA | Lc -46.2 | 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
#EFE6F8
oklch(93.7% 0.026 308.2)
-
Step 200
200
#E2D1F3
oklch(88.5% 0.049 307.8)
-
Step 300
300
#D1B1ED
oklch(80.8% 0.09 308.7)
-
Step 400
400 (this color)
#B581DF
oklch(69.1% 0.144 308.5)
-
Step 500
500
#A964DC
oklch(63.1% 0.183 308.6)
-
Step 600
600
#9547CA
oklch(55.7% 0.199 308.7)
-
Step 700
700
#7F37AF
oklch(49.2% 0.186 308.6)
-
Step 800
800
#672F8D
oklch(42.7% 0.153 308.7)
-
Step 900
900
#542B71
oklch(37.8% 0.12 308.8)
-
Step 950
950
#311A42
oklch(27% 0.076 308.7)
#B581DF 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) | #6C95E2 | 0.108 |
| Deuteranopia (no green cones) | #7998DC | 0.099 |
| Tritanopia (no blue cones) | #AF90A5 | 0.105 |
| Achromatopsia (no color) | #979797 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B581DF
#B581DF
oklch(69.1% 0.144 308.5)
- #80AC42
#80AC42
oklch(69% 0.144 128.7)
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 #B581DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Purple #B790D4 ΔE 0.045
- Light Purple #BF77F6 ΔE 0.047
- Wisteria #A87DC2 ΔE 0.048
- Liliac #C48EFD ΔE 0.056
- Light Urple #B36FF6 ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.061
- Easter Purple #C071FE ΔE 0.064
- Orchid #DA70D6 ΔE 0.069
Use #B581DF 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.