#B178DB
Closest named color: Wisteria (#A87DC2). oklch(67% 0.152 309.4), rgb(177, 120, 219).
Aa
Black text reads best on this color (6.57:1).
About this color
#B178DB is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.152 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.045 away. Black text reads best on it, at 6.57:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.57:1 |
| White text | 3.19:1 |
Values
| HEX | #B178DB |
| RGB | rgb(177, 120, 219) |
| HSL | hsl(275, 58%, 66%) |
| OKLCH | oklch(67% 0.152 309.4) |
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 #B178DB | 3.19:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #B178DB | 6.57:1 | AA | Lc 45.2 | Large or bold text, headings |
| #B178DB text on white | 3.19:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #B178DB text on black | 6.57:1 | 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)
#B178DB
oklch(67% 0.152 309.4)
-
Step 500
500
#AC60E0
oklch(63.1% 0.194 309.3)
-
Step 600
600
#9841CE
oklch(55.6% 0.212 309.4)
-
Step 700
700
#8231B2
oklch(49.1% 0.197 309.6)
-
Step 800
800
#692B90
oklch(42.7% 0.162 309.3)
-
Step 900
900
#552873
oklch(37.6% 0.127 309.2)
-
Step 950
950
#321943
oklch(27% 0.079 309.6)
#B178DB 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) | #618DDF | 0.118 |
| Deuteranopia (no green cones) | #7091D8 | 0.108 |
| Tritanopia (no blue cones) | #AC889F | 0.109 |
| Achromatopsia (no color) | #909090 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B178DB
#B178DB
oklch(67% 0.152 309.4)
- #77A734
#77A734
oklch(67.1% 0.152 129.4)
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 #B178DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.045
- Light Purple #BF77F6 ΔE 0.046
- Light Urple #B36FF6 ΔE 0.048
- Medium Purple #9370DB ΔE 0.055
- Soft Purple #A66FB5 ΔE 0.061
- Easter Purple #C071FE ΔE 0.061
- Pale Purple #B790D4 ΔE 0.064
- Perrywinkle #8F8CE7 ΔE 0.067
Use #B178DB 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.