#B581D4
Closest named color: Wisteria (#A87DC2). oklch(68.6% 0.13 312.1), rgb(181, 129, 212).
Aa
Black text reads best on this color (7.05:1).
About this color
#B581D4 is a medium-light, moderately saturated purple. In OKLCH its lightness is 69%, its chroma 0.130 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.035 away. Black text reads best on it, at 7.05:1.
| Hue family | Purples |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 7.05:1 |
| White text | 2.97:1 |
Values
| HEX | #B581D4 |
| RGB | rgb(181, 129, 212) |
| HSL | hsl(278, 49%, 67%) |
| OKLCH | oklch(68.6% 0.13 312.1) |
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 #B581D4 | 2.97:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #B581D4 | 7.05:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #B581D4 text on white | 2.97:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #B581D4 text on black | 7.05:1 | AAA | Lc -45.6 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E3D1EF
oklch(88.4% 0.045 312)
-
Step 300
300
#D2B2E7
oklch(80.9% 0.081 311.8)
-
Step 400
400 (this color)
#B581D4
oklch(68.6% 0.13 312.1)
-
Step 500
500
#AB67D1
oklch(63.1% 0.166 312.1)
-
Step 600
600
#964BBE
oklch(55.6% 0.181 312)
-
Step 700
700
#803BA4
oklch(49.1% 0.169 312.1)
-
Step 800
800
#683285
oklch(42.7% 0.139 312)
-
Step 900
900
#552D6A
oklch(37.7% 0.108 312.6)
-
Step 950
950
#321B3E
oklch(27% 0.069 313)
#B581D4 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) | #7193D7 | 0.102 |
| Deuteranopia (no green cones) | #7E97D2 | 0.093 |
| Tritanopia (no blue cones) | #B28DA1 | 0.091 |
| Achromatopsia (no color) | #969696 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B581D4
#B581D4
oklch(68.6% 0.13 312.1)
- #7BAB51
#7BAB51
oklch(68.7% 0.131 132.2)
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 #B581D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.035
- Pale Purple #B790D4 ΔE 0.038
- Light Purple #BF77F6 ΔE 0.061
- Soft Purple #A66FB5 ΔE 0.064
- Perrywinkle #8F8CE7 ΔE 0.064
- Liliac #C48EFD ΔE 0.068
- Lavender Pink #DD85D7 ΔE 0.069
- Heather #A484AC ΔE 0.069
Use #B581D4 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.