#A173BB
Closest named color: Soft Purple (#A66FB5). oklch(62.9% 0.116 312.7), rgb(161, 115, 187).
Aa
Black text reads best on this color (5.68:1).
About this color
#A173BB is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.116 and its hue 313°. 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 5.68:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #A173BB |
| RGB | rgb(161, 115, 187) |
| HSL | hsl(278, 35%, 59%) |
| OKLCH | oklch(62.9% 0.116 312.7) |
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 #A173BB | 3.69:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #A173BB | 5.68:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #A173BB text on white | 3.69:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #A173BB text on black | 5.68:1 | 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
#E0D3E8
oklch(88.4% 0.032 312.8)
-
Step 300
300
#CDB6DB
oklch(80.8% 0.057 312.7)
-
Step 400
400
#B490C9
oklch(70.6% 0.09 312.7)
-
Step 500
500 (this color)
#A173BB
oklch(62.9% 0.116 312.7)
-
Step 600
600
#8D5BA8
oklch(55.7% 0.127 312.8)
-
Step 700
700
#774A90
oklch(49% 0.118 312.4)
-
Step 800
800
#613D75
oklch(42.6% 0.098 312.5)
-
Step 900
900
#4F355E
oklch(37.7% 0.075 312.3)
-
Step 950
950
#2E1F37
oklch(26.9% 0.048 312.1)
#A173BB 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) | #6682BE | 0.091 |
| Deuteranopia (no green cones) | #7186B9 | 0.083 |
| Tritanopia (no blue cones) | #9F7D8E | 0.081 |
| Achromatopsia (no color) | #858585 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A173BB
#A173BB
oklch(62.9% 0.116 312.7)
- #6D984B
#6D984B
oklch(63% 0.117 132.9)
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 #A173BB, 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 0.035
- Amethyst #9B5FC0 ΔE 0.053
- Heather #A484AC ΔE 0.056
- Medium Purple #9370DB ΔE 0.056
- Faded Purple #916E99 ΔE 0.059
Use #A173BB 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.