#A178BE
Closest named color: Wisteria (#A87DC2). oklch(63.9% 0.111 310.4), rgb(161, 120, 190).
Aa
Black text reads best on this color (5.94:1).
About this color
#A178BE is a medium-light, moderately saturated purple. In OKLCH its lightness is 64%, its chroma 0.111 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.018 away. Black text reads best on it, at 5.94:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 5.94:1 |
| White text | 3.53:1 |
Values
| HEX | #A178BE |
| RGB | rgb(161, 120, 190) |
| HSL | hsl(275, 35%, 61%) |
| OKLCH | oklch(63.9% 0.111 310.4) |
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 #A178BE | 3.53:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #A178BE | 5.94:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #A178BE text on white | 3.53:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #A178BE text on black | 5.94:1 | AA | Lc -38.9 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#DFD4E8
oklch(88.5% 0.03 310.1)
-
Step 300
300
#CCB7DB
oklch(80.9% 0.055 311.2)
-
Step 400
400
#B291C9
oklch(70.6% 0.088 311)
-
Step 500
500 (this color)
#A178BE
oklch(63.9% 0.111 310.4)
-
Step 600
600
#895DA7
oklch(55.5% 0.12 310.4)
-
Step 700
700
#744C90
oklch(49% 0.113 309.9)
-
Step 800
800
#5F3F74
oklch(42.7% 0.092 310.8)
-
Step 900
900
#4E365E
oklch(37.8% 0.072 310.9)
-
Step 950
950
#2D2037
oklch(27% 0.045 309.5)
#A178BE 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) | #6B86C1 | 0.082 |
| Deuteranopia (no green cones) | #7489BC | 0.077 |
| Tritanopia (no blue cones) | #9E8292 | 0.080 |
| Achromatopsia (no color) | #888888 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A178BE
#A178BE
oklch(63.9% 0.111 310.4)
- #75994E
#75994E
oklch(63.8% 0.111 130.1)
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 #A178BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.018
- Soft Purple #A66FB5 ΔE 0.024
- Deep Lilac #966EBD ΔE 0.033
- Dark Lilac #9C6DA5 ΔE 0.043
- Heather #A484AC ΔE 0.048
- Medium Purple #9370DB ΔE 0.058
- Dusty Lavender #AC86A8 ΔE 0.060
- Amethyst #9B5FC0 ΔE 0.064
Use #A178BE 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.