#A173DA
Closest named color: Medium Purple (#9370DB). oklch(64.5% 0.155 302.9), rgb(161, 115, 218).
Aa
Black text reads best on this color (5.98:1).
About this color
#A173DA is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.155 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.025 away. Black text reads best on it, at 5.98:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.98:1 |
| White text | 3.51:1 |
Values
| HEX | #A173DA |
| RGB | rgb(161, 115, 218) |
| HSL | hsl(267, 58%, 65%) |
| OKLCH | oklch(64.5% 0.155 302.9) |
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 #A173DA | 3.51:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #A173DA | 5.98:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #A173DA text on white | 3.51:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #A173DA text on black | 5.98:1 | AA | Lc -39.2 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F6
oklch(93.7% 0.021 304)
-
Step 200
200
#DED3F1
oklch(88.5% 0.042 302.2)
-
Step 300
300
#CAB5E9
oklch(80.8% 0.075 303.2)
-
Step 400
400
#B08DDF
oklch(70.7% 0.122 303)
-
Step 500
500 (this color)
#A173DA
oklch(64.5% 0.155 302.9)
-
Step 600
600
#8854C3
oklch(55.6% 0.169 302.9)
-
Step 700
700
#7344A8
oklch(49.1% 0.156 302.7)
-
Step 800
800
#5E3988
oklch(42.8% 0.129 303)
-
Step 900
900
#4D326D
oklch(37.8% 0.1 303)
-
Step 950
950
#2D1E40
oklch(27.1% 0.063 302.8)
#A173DA 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) | #5588DE | 0.109 |
| Deuteranopia (no green cones) | #6189D7 | 0.101 |
| Tritanopia (no blue cones) | #97859C | 0.117 |
| Achromatopsia (no color) | #898989 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A173DA
#A173DA
oklch(64.5% 0.155 302.9)
- #7D9C0E
#7D9C0E
oklch(64.6% 0.155 122.8)
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 #A173DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.025
- Deep Lilac #966EBD ΔE 0.048
- Wisteria #A87DC2 ΔE 0.051
- Light Urple #B36FF6 ΔE 0.052
- Soft Purple #A66FB5 ΔE 0.056
- Amethyst #9B5FC0 ΔE 0.057
- Perrywinkle #8F8CE7 ΔE 0.064
- Periwinkle #8E82FE ΔE 0.064
Use #A173DA 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.