#A173CE
Closest named color: Medium Purple (#9370DB). oklch(63.9% 0.14 306.1), rgb(161, 115, 206).
Aa
Black text reads best on this color (5.85:1).
About this color
#A173CE is a medium-light, moderately saturated purple. In OKLCH its lightness is 64%, its chroma 0.140 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.033 away. Black text reads best on it, at 5.85:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.140) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.85:1 |
| White text | 3.58:1 |
Values
| HEX | #A173CE |
| RGB | rgb(161, 115, 206) |
| HSL | hsl(270, 48%, 63%) |
| OKLCH | oklch(63.9% 0.14 306.1) |
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 #A173CE | 3.58:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #A173CE | 5.85:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #A173CE text on white | 3.58:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #A173CE text on black | 5.85:1 | AA | Lc -38.4 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DFD3EE
oklch(88.5% 0.039 305.6)
-
Step 300
300
#CBB6E4
oklch(80.9% 0.068 305.6)
-
Step 400
400
#B28ED7
oklch(70.7% 0.111 306.4)
-
Step 500
500 (this color)
#A173CE
oklch(63.9% 0.14 306.1)
-
Step 600
600
#8A57B8
oklch(55.6% 0.152 306.4)
-
Step 700
700
#75479F
oklch(49.2% 0.141 306)
-
Step 800
800
#5F3B81
oklch(42.8% 0.117 305.8)
-
Step 900
900
#4E3367
oklch(37.7% 0.091 306.5)
-
Step 950
950
#2D1E3C
oklch(26.9% 0.057 306)
#A173CE 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) | #5D86D1 | 0.102 |
| Deuteranopia (no green cones) | #6888CC | 0.093 |
| Tritanopia (no blue cones) | #9A8297 | 0.103 |
| Achromatopsia (no color) | #878787 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A173CE
#A173CE
oklch(63.9% 0.14 306.1)
- #769A2F
#769A2F
oklch(63.8% 0.139 126.2)
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 #A173CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.033
- Deep Lilac #966EBD ΔE 0.033
- Wisteria #A87DC2 ΔE 0.037
- Soft Purple #A66FB5 ΔE 0.038
- Amethyst #9B5FC0 ΔE 0.050
- Dark Lilac #9C6DA5 ΔE 0.062
- Perrywinkle #8F8CE7 ΔE 0.068
- Light Urple #B36FF6 ΔE 0.068
Use #A173CE 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.