#A173BC
Closest named color: Soft Purple (#A66FB5). oklch(63% 0.117 312.3), rgb(161, 115, 188).
Aa
Black text reads best on this color (5.69:1).
About this color
#A173BC is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.117 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.014 away. Black text reads best on it, at 5.69:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #A173BC |
| RGB | rgb(161, 115, 188) |
| HSL | hsl(278, 35%, 59%) |
| OKLCH | oklch(63% 0.117 312.3) |
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 #A173BC | 3.68:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #A173BC | 5.69:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #A173BC text on white | 3.68:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #A173BC text on black | 5.69:1 | AA | Lc -37.3 | 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
#EEE7F2
oklch(93.7% 0.016 313.6)
-
Step 200
200
#E0D3E9
oklch(88.4% 0.033 311.7)
-
Step 300
300
#CDB6DC
oklch(80.8% 0.058 312)
-
Step 400
400
#B490CA
oklch(70.7% 0.092 312.3)
-
Step 500
500 (this color)
#A173BC
oklch(63% 0.117 312.3)
-
Step 600
600
#8C5BA9
oklch(55.6% 0.128 311.8)
-
Step 700
700
#774A91
oklch(49.1% 0.119 312)
-
Step 800
800
#613D75
oklch(42.6% 0.098 312.5)
-
Step 900
900
#4F355F
oklch(37.8% 0.076 311.6)
-
Step 950
950
#2E1F37
oklch(26.9% 0.048 312.1)
#A173BC 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) | #6683BF | 0.091 |
| Deuteranopia (no green cones) | #7186BA | 0.083 |
| Tritanopia (no blue cones) | #9F7D8F | 0.081 |
| Achromatopsia (no color) | #858585 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A173BC
#A173BC
oklch(63% 0.117 312.3)
- #6E9849
#6E9849
oklch(63% 0.118 132.1)
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 #A173BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.014
- Deep Lilac #966EBD ΔE 0.024
- Wisteria #A87DC2 ΔE 0.029
- Dark Lilac #9C6DA5 ΔE 0.036
- Amethyst #9B5FC0 ΔE 0.053
- Medium Purple #9370DB ΔE 0.055
- Heather #A484AC ΔE 0.057
- Faded Purple #916E99 ΔE 0.060
Use #A173BC 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.