#B178DA
Closest named color: Wisteria (#A87DC2). oklch(66.9% 0.151 309.7), rgb(177, 120, 218).
Aa
Black text reads best on this color (6.56:1).
About this color
#B178DA is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.151 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.043 away. Black text reads best on it, at 6.56:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.56:1 |
| White text | 3.19:1 |
Values
| HEX | #B178DA |
| RGB | rgb(177, 120, 218) |
| HSL | hsl(275, 57%, 66%) |
| OKLCH | oklch(66.9% 0.151 309.7) |
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 #B178DA | 3.19:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #B178DA | 6.56:1 | AA | Lc 45.1 | Large or bold text, headings |
| #B178DA text on white | 3.19:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #B178DA text on black | 6.56:1 | AA | Lc -42.8 | 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 400.
-
Step 50
50
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F8
oklch(93.5% 0.027 309.2)
-
Step 200
200
#E4D0F4
oklch(88.5% 0.053 310.1)
-
Step 300
300
#D3B0EF
oklch(80.9% 0.095 309.6)
-
Step 400
400 (this color)
#B178DA
oklch(66.9% 0.151 309.7)
-
Step 500
500
#AC60DF
oklch(63% 0.193 309.6)
-
Step 600
600
#9841CD
oklch(55.6% 0.211 309.7)
-
Step 700
700
#8232B1
oklch(49.2% 0.195 309.8)
-
Step 800
800
#692B8F
oklch(42.6% 0.161 309.6)
-
Step 900
900
#562972
oklch(37.8% 0.125 310.2)
-
Step 950
950
#321943
oklch(27% 0.079 309.6)
#B178DA 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) | #628DDE | 0.117 |
| Deuteranopia (no green cones) | #7091D7 | 0.108 |
| Tritanopia (no blue cones) | #AC879F | 0.107 |
| Achromatopsia (no color) | #909090 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B178DA
#B178DA
oklch(66.9% 0.151 309.7)
- #76A736
#76A736
oklch(67.1% 0.152 129.9)
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 #B178DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.043
- Light Purple #BF77F6 ΔE 0.048
- Light Urple #B36FF6 ΔE 0.049
- Medium Purple #9370DB ΔE 0.056
- Soft Purple #A66FB5 ΔE 0.059
- Easter Purple #C071FE ΔE 0.062
- Pale Purple #B790D4 ΔE 0.064
- Deep Lilac #966EBD ΔE 0.066
Use #B178DA 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.