#B581CC
Closest named color: Wisteria (#A87DC2). oklch(68.2% 0.121 315.1), rgb(181, 129, 204).
Aa
Black text reads best on this color (6.97:1).
About this color
#B581CC is a medium-light, moderately saturated purple. In OKLCH its lightness is 68%, its chroma 0.121 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.028 away. Black text reads best on it, at 6.97:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.97:1 |
| White text | 3.00:1 |
Values
| HEX | #B581CC |
| RGB | rgb(181, 129, 204) |
| HSL | hsl(282, 42%, 65%) |
| OKLCH | oklch(68.2% 0.121 315.1) |
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 #B581CC | 3.00:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #B581CC | 6.97:1 | AA | Lc 47.4 | Large or bold text, headings |
| #B581CC text on white | 3.00:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #B581CC text on black | 6.97:1 | AA | Lc -45.1 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E4D1ED
oklch(88.5% 0.043 315)
-
Step 300
300
#D3B2E3
oklch(80.8% 0.076 314.6)
-
Step 400
400 (this color)
#B581CC
oklch(68.2% 0.121 315.1)
-
Step 500
500
#AC69C9
oklch(63.1% 0.155 314.9)
-
Step 600
600
#974EB5
oklch(55.6% 0.167 315)
-
Step 700
700
#813E9C
oklch(49.1% 0.156 315.1)
-
Step 800
800
#69347F
oklch(42.8% 0.13 314.9)
-
Step 900
900
#552E66
oklch(37.6% 0.101 314.7)
-
Step 950
950
#321C3C
oklch(27.1% 0.064 314.5)
#B581CC 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) | #7592CF | 0.098 |
| Deuteranopia (no green cones) | #8196CA | 0.090 |
| Tritanopia (no blue cones) | #B48B9D | 0.082 |
| Achromatopsia (no color) | #959595 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B581CC
#B581CC
oklch(68.2% 0.121 315.1)
- #77A95B
#77A95B
oklch(68.1% 0.12 135.2)
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 #B581CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.028
- Pale Purple #B790D4 ΔE 0.037
- Soft Purple #A66FB5 ΔE 0.058
- Heather #A484AC ΔE 0.058
- Dusty Lavender #AC86A8 ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.069
- Lavender Pink #DD85D7 ΔE 0.070
- Light Purple #BF77F6 ΔE 0.073
Use #B581CC 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.