#A178A3
Closest named color: Heather (#A484AC). oklch(62.8% 0.079 324.9), rgb(161, 120, 163).
Aa
Black text reads best on this color (5.73:1).
About this color
#A178A3 is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.079 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Heather (#A484AC), ΔE 0.032 away. Black text reads best on it, at 5.73:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Heather (#A484AC) |
| Black text | 5.73:1 |
| White text | 3.66:1 |
Values
| HEX | #A178A3 |
| RGB | rgb(161, 120, 163) |
| HSL | hsl(297, 19%, 55%) |
| OKLCH | oklch(62.8% 0.079 324.9) |
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 #A178A3 | 3.66:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #A178A3 | 5.73:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #A178A3 text on white | 3.66:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #A178A3 text on black | 5.73:1 | AA | Lc -37.5 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EEE7EE
oklch(93.5% 0.012 325.7)
-
Step 200
200
#E1D5E1
oklch(88.6% 0.021 325.8)
-
Step 300
300
#CEB9CF
oklch(81% 0.038 324.5)
-
Step 400
400
#B594B6
oklch(70.8% 0.061 325.3)
-
Step 500
500 (this color)
#A178A3
oklch(62.8% 0.079 324.9)
-
Step 600
600
#8D618F
oklch(55.5% 0.087 325.2)
-
Step 700
700
#78507A
oklch(49.1% 0.081 325.1)
-
Step 800
800
#614263
oklch(42.6% 0.066 324.6)
-
Step 900
900
#503851
oklch(37.8% 0.052 325.2)
-
Step 950
950
#2F212F
oklch(27.1% 0.032 326.4)
#A178A3 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) | #7582A5 | 0.069 |
| Deuteranopia (no green cones) | #7E87A1 | 0.065 |
| Tritanopia (no blue cones) | #A37C87 | 0.047 |
| Achromatopsia (no color) | #868686 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A178A3
#A178A3
oklch(62.8% 0.079 324.9)
- #6A956B
#6A956B
oklch(62.7% 0.078 145.1)
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 #A178A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Heather #A484AC ΔE 0.032
- Dark Lilac #9C6DA5 ΔE 0.032
- Purpley Grey #947E94 ΔE 0.038
- Faded Purple #916E99 ΔE 0.040
- Soft Purple #A66FB5 ΔE 0.041
- Dusty Lavender #AC86A8 ΔE 0.042
- Wisteria #A87DC2 ΔE 0.048
- Mauve #AE7181 ΔE 0.052
Use #A178A3 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.