#B581CB
Closest named color: Wisteria (#A87DC2). oklch(68.2% 0.12 315.5), rgb(181, 129, 203).
Aa
Black text reads best on this color (6.96:1).
About this color
#B581CB is a medium-light, moderately saturated purple. In OKLCH its lightness is 68%, its chroma 0.120 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.027 away. Black text reads best on it, at 6.96:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.96:1 |
| White text | 3.01:1 |
Values
| HEX | #B581CB |
| RGB | rgb(181, 129, 203) |
| HSL | hsl(282, 42%, 65%) |
| OKLCH | oklch(68.2% 0.12 315.5) |
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 #B581CB | 3.01:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #B581CB | 6.96:1 | AA | Lc 47.3 | Large or bold text, headings |
| #B581CB text on white | 3.01:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #B581CB text on black | 6.96:1 | AA | Lc -45.0 | 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
#F0E6F4
oklch(93.7% 0.021 316.5)
-
Step 200
200
#E4D1EC
oklch(88.4% 0.042 316)
-
Step 300
300
#D3B2E2
oklch(80.8% 0.075 315.2)
-
Step 400
400 (this color)
#B581CB
oklch(68.2% 0.12 315.5)
-
Step 500
500
#AC69C8
oklch(63.1% 0.153 315.2)
-
Step 600
600
#974EB4
oklch(55.5% 0.166 315.4)
-
Step 700
700
#813E9B
oklch(49% 0.155 315.5)
-
Step 800
800
#69347E
oklch(42.7% 0.129 315.4)
-
Step 900
900
#552E65
oklch(37.6% 0.1 315.3)
-
Step 950
950
#321C3B
oklch(27% 0.062 315.5)
#B581CB 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) | #7591CE | 0.097 |
| Deuteranopia (no green cones) | #8296C9 | 0.089 |
| Tritanopia (no blue cones) | #B48B9D | 0.081 |
| Achromatopsia (no color) | #959595 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B581CB
#B581CB
oklch(68.2% 0.12 315.5)
- #77A95C
#77A95C
oklch(68.1% 0.119 135.4)
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 #B581CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.027
- Pale Purple #B790D4 ΔE 0.037
- Heather #A484AC ΔE 0.057
- Soft Purple #A66FB5 ΔE 0.057
- Dusty Lavender #AC86A8 ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.070
- Lavender Pink #DD85D7 ΔE 0.071
- Orchid #DA70D6 ΔE 0.073
Use #B581CB 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.