#A173E1
Closest named color: Medium Purple (#9370DB). oklch(64.9% 0.163 301.3), rgb(161, 115, 225).
Aa
Black text reads best on this color (6.05:1).
About this color
#A173E1 is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.163 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.026 away. Black text reads best on it, at 6.05:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 6.05:1 |
| White text | 3.46:1 |
Values
| HEX | #A173E1 |
| RGB | rgb(161, 115, 225) |
| HSL | hsl(265, 65%, 67%) |
| OKLCH | oklch(64.9% 0.163 301.3) |
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 #A173E1 | 3.46:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #A173E1 | 6.05:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #A173E1 text on white | 3.46:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #A173E1 text on black | 6.05:1 | AA | Lc -39.7 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DED3F2
oklch(88.5% 0.044 301.7)
-
Step 300
300
#C9B5ED
oklch(80.9% 0.081 301)
-
Step 400
400
#AF8DE3
oklch(70.8% 0.127 301.4)
-
Step 500
500 (this color)
#A173E1
oklch(64.9% 0.163 301.3)
-
Step 600
600
#8753C8
oklch(55.6% 0.176 301.4)
-
Step 700
700
#7242AD
oklch(49% 0.165 301.2)
-
Step 800
800
#5D378C
oklch(42.6% 0.137 301.4)
-
Step 900
900
#4C3170
oklch(37.7% 0.106 301.3)
-
Step 950
950
#2C1D42
oklch(26.9% 0.068 300.6)
#A173E1 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) | #5089E5 | 0.113 |
| Deuteranopia (no green cones) | #5C89DE | 0.104 |
| Tritanopia (no blue cones) | #95879F | 0.125 |
| Achromatopsia (no color) | #8A8A8A | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A173E1
#A173E1
oklch(64.9% 0.163 301.3)
- #819C00
#819C00
oklch(64.9% 0.156 121.2)
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 #A173E1, closest first.
No curated palette has a color within ΔE 0.04 of #A173E1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.026
- Light Urple #B36FF6 ΔE 0.044
- Periwinkle #8E82FE ΔE 0.057
- Deep Lilac #966EBD ΔE 0.057
- Wisteria #A87DC2 ΔE 0.059
- Light Purple #BF77F6 ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.062
- Lighter Purple #A55AF4 ΔE 0.063
Use #A173E1 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.