#A373D2
Closest named color: Medium Purple (#9370DB). oklch(64.3% 0.145 306), rgb(163, 115, 210).
Aa
Black text reads best on this color (5.94:1).
About this color
#A373D2 is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.145 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 0.032 away. Black text reads best on it, at 5.94:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.94:1 |
| White text | 3.53:1 |
Values
| HEX | #A373D2 |
| RGB | rgb(163, 115, 210) |
| HSL | hsl(270, 51%, 64%) |
| OKLCH | oklch(64.3% 0.145 306) |
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 #A373D2 | 3.53:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #A373D2 | 5.94:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #A373D2 text on white | 3.53:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #A373D2 text on black | 5.94:1 | AA | Lc -38.9 | 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
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DFD3EE
oklch(88.5% 0.039 305.6)
-
Step 300
300
#CCB5E6
oklch(80.9% 0.072 306.1)
-
Step 400
400
#B28ED9
oklch(70.8% 0.113 305.7)
-
Step 500
500 (this color)
#A373D2
oklch(64.3% 0.145 306)
-
Step 600
600
#8B56BB
oklch(55.7% 0.157 306.2)
-
Step 700
700
#7645A1
oklch(49.1% 0.147 306.3)
-
Step 800
800
#603983
oklch(42.7% 0.123 306.2)
-
Step 900
900
#4E3269
oklch(37.7% 0.095 305.8)
-
Step 950
950
#2E1E3D
oklch(27% 0.059 306.7)
#A373D2 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) | #5B87D5 | 0.107 |
| Deuteranopia (no green cones) | #6789D0 | 0.098 |
| Tritanopia (no blue cones) | #9C8398 | 0.108 |
| Achromatopsia (no color) | #888888 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A373D2
#A373D2
oklch(64.3% 0.145 306)
- #779C2A
#779C2A
oklch(64.3% 0.145 126.1)
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 #A373D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.032
- Deep Lilac #966EBD ΔE 0.039
- Wisteria #A87DC2 ΔE 0.040
- Soft Purple #A66FB5 ΔE 0.043
- Amethyst #9B5FC0 ΔE 0.053
- Light Urple #B36FF6 ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.067
- Dark Lilac #9C6DA5 ΔE 0.069
Use #A373D2 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.