#B181B5
Closest named color: Heather (#A484AC). oklch(66.8% 0.093 324), rgb(177, 129, 181).
Aa
Black text reads best on this color (6.67:1).
About this color
#B181B5 is a medium-light, moderately saturated purple. In OKLCH its lightness is 67%, its chroma 0.093 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Heather (#A484AC), ΔE 0.027 away. Black text reads best on it, at 6.67:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Heather (#A484AC) |
| Black text | 6.67:1 |
| White text | 3.14:1 |
Values
| HEX | #B181B5 |
| RGB | rgb(177, 129, 181) |
| HSL | hsl(295, 26%, 61%) |
| OKLCH | oklch(66.8% 0.093 324) |
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 #B181B5 | 3.14:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #B181B5 | 6.67:1 | AA | Lc 45.6 | Large or bold text, headings |
| #B181B5 text on white | 3.14:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #B181B5 text on black | 6.67:1 | AA | Lc -43.3 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EEE7EF
oklch(93.6% 0.013 321.9)
-
Step 200
200
#E2D4E3
oklch(88.6% 0.025 323.8)
-
Step 300
300
#D0B7D1
oklch(80.9% 0.045 324.8)
-
Step 400
400
#B892BA
oklch(70.8% 0.071 324.7)
-
Step 500
500 (this color)
#B181B5
oklch(66.8% 0.093 324)
-
Step 600
600
#905E95
oklch(55.6% 0.101 323.6)
-
Step 700
700
#7B4D7F
oklch(49.1% 0.095 324)
-
Step 800
800
#644067
oklch(42.8% 0.077 324.1)
-
Step 900
900
#513654
oklch(37.6% 0.061 323.2)
-
Step 950
950
#302031
oklch(27.1% 0.038 324.6)
#B181B5 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) | #7D8EB7 | 0.081 |
| Deuteranopia (no green cones) | #8893B3 | 0.075 |
| Tritanopia (no blue cones) | #B38694 | 0.055 |
| Achromatopsia (no color) | #919191 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B181B5
#B181B5
oklch(66.8% 0.093 324)
- #71A470
#71A470
oklch(66.9% 0.093 144)
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 #B181B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Heather #A484AC ΔE 0.027
- Dusty Lavender #AC86A8 ΔE 0.028
- Wisteria #A87DC2 ΔE 0.029
- Soft Purple #A66FB5 ΔE 0.051
- Pale Purple #B790D4 ΔE 0.053
- Dark Lilac #9C6DA5 ΔE 0.065
- Light Mauve #C292A1 ΔE 0.069
- Purpley Grey #947E94 ΔE 0.070
Use #B181B5 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.