#B178CA
Closest named color: Wisteria (#A87DC2). oklch(66.2% 0.132 315), rgb(177, 120, 202).
Aa
Black text reads best on this color (6.40:1).
About this color
#B178CA is a medium-light, moderately saturated purple. In OKLCH its lightness is 66%, its chroma 0.132 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.024 away. Black text reads best on it, at 6.40:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.40:1 |
| White text | 3.27:1 |
Values
| HEX | #B178CA |
| RGB | rgb(177, 120, 202) |
| HSL | hsl(282, 44%, 63%) |
| OKLCH | oklch(66.2% 0.132 315) |
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 #B178CA | 3.27:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #B178CA | 6.40:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #B178CA text on white | 3.27:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #B178CA text on black | 6.40:1 | AA | Lc -41.8 | 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 500.
-
Step 50
50
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E2D2EA
oklch(88.4% 0.037 314.6)
-
Step 300
300
#D1B5DE
oklch(81% 0.064 315.1)
-
Step 400
400
#B98DCD
oklch(70.8% 0.103 315)
-
Step 500
500 (this color)
#B178CA
oklch(66.2% 0.132 315)
-
Step 600
600
#9255AC
oklch(55.5% 0.144 315)
-
Step 700
700
#7D4594
oklch(49.1% 0.134 315.2)
-
Step 800
800
#653978
oklch(42.6% 0.111 314.8)
-
Step 900
900
#533261
oklch(37.8% 0.087 315.2)
-
Step 950
950
#301E39
oklch(27.1% 0.054 313.8)
#B178CA 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) | #6A8BCD | 0.109 |
| Deuteranopia (no green cones) | #7890C8 | 0.100 |
| Tritanopia (no blue cones) | #B08397 | 0.090 |
| Achromatopsia (no color) | #8E8E8E | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B178CA
#B178CA
oklch(66.2% 0.132 315)
- #6EA44D
#6EA44D
oklch(66.1% 0.132 134.9)
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 #B178CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.024
- Soft Purple #A66FB5 ΔE 0.040
- Deep Lilac #966EBD ΔE 0.056
- Pale Purple #B790D4 ΔE 0.060
- Medium Purple #9370DB ΔE 0.063
- Heather #A484AC ΔE 0.064
- Dark Lilac #9C6DA5 ΔE 0.069
- Light Purple #BF77F6 ΔE 0.070
Use #B178CA 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.