#B581D2
Closest named color: Wisteria (#A87DC2). oklch(68.5% 0.128 312.8), rgb(181, 129, 210).
Aa
Black text reads best on this color (7.03:1).
About this color
#B581D2 is a medium-light, moderately saturated purple. In OKLCH its lightness is 68%, its chroma 0.128 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.033 away. Black text reads best on it, at 7.03:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 7.03:1 |
| White text | 2.98:1 |
Values
| HEX | #B581D2 |
| RGB | rgb(181, 129, 210) |
| HSL | hsl(279, 47%, 66%) |
| OKLCH | oklch(68.5% 0.128 312.8) |
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 #B581D2 | 2.98:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #B581D2 | 7.03:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #B581D2 text on white | 2.98:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #B581D2 text on black | 7.03:1 | AAA | Lc -45.4 | 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
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E3D1EF
oklch(88.4% 0.045 312)
-
Step 300
300
#D3B2E6
oklch(80.9% 0.08 313)
-
Step 400
400 (this color)
#B581D2
oklch(68.5% 0.128 312.8)
-
Step 500
500
#AB67CF
oklch(63% 0.164 312.8)
-
Step 600
600
#964CBC
oklch(55.6% 0.177 312.5)
-
Step 700
700
#803CA2
oklch(49.1% 0.165 312.6)
-
Step 800
800
#683283
oklch(42.6% 0.137 312.8)
-
Step 900
900
#552D69
oklch(37.7% 0.107 313.2)
-
Step 950
950
#321B3E
oklch(27% 0.069 313)
#B581D2 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) | #7292D5 | 0.101 |
| Deuteranopia (no green cones) | #7F97D0 | 0.093 |
| Tritanopia (no blue cones) | #B38CA0 | 0.088 |
| Achromatopsia (no color) | #959595 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B581D2
#B581D2
oklch(68.5% 0.128 312.8)
- #7AAA54
#7AAA54
oklch(68.4% 0.127 132.9)
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 #B581D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.033
- Pale Purple #B790D4 ΔE 0.037
- Soft Purple #A66FB5 ΔE 0.062
- Light Purple #BF77F6 ΔE 0.064
- Perrywinkle #8F8CE7 ΔE 0.065
- Heather #A484AC ΔE 0.066
- Lavender Pink #DD85D7 ΔE 0.069
- Dusty Lavender #AC86A8 ΔE 0.070
Use #B581D2 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.