#A370CD
Closest named color: Deep Lilac (#966EBD). oklch(63.5% 0.144 308.1), rgb(163, 112, 205).
Aa
Black text reads best on this color (5.75:1).
About this color
#A370CD is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.144 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.033 away. Black text reads best on it, at 5.75:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.75:1 |
| White text | 3.64:1 |
Values
| HEX | #A370CD |
| RGB | rgb(163, 112, 205) |
| HSL | hsl(273, 48%, 62%) |
| OKLCH | oklch(63.5% 0.144 308.1) |
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 #A370CD | 3.64:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #A370CD | 5.75:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #A370CD text on white | 3.64:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #A370CD text on black | 5.75:1 | AA | Lc -37.8 | 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
#EEE6F5
oklch(93.6% 0.022 309.6)
-
Step 200
200
#E0D3EE
oklch(88.6% 0.039 307.2)
-
Step 300
300
#CDB5E4
oklch(80.9% 0.07 308)
-
Step 400
400
#B48DD7
oklch(70.7% 0.113 307.9)
-
Step 500
500 (this color)
#A370CD
oklch(63.5% 0.144 308.1)
-
Step 600
600
#8D55B8
oklch(55.6% 0.156 308.3)
-
Step 700
700
#78459F
oklch(49.2% 0.145 308.1)
-
Step 800
800
#613981
oklch(42.7% 0.121 307.7)
-
Step 900
900
#4F3267
oklch(37.7% 0.093 307.8)
-
Step 950
950
#2F1E3D
oklch(27.2% 0.059 308.2)
#A370CD 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) | #5A84D0 | 0.109 |
| Deuteranopia (no green cones) | #6787CB | 0.100 |
| Tritanopia (no blue cones) | #9D7F95 | 0.104 |
| Achromatopsia (no color) | #868686 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A370CD
#A370CD
oklch(63.5% 0.144 308.1)
- #719A2D
#719A2D
oklch(63.4% 0.143 127.9)
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 #A370CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.033
- Medium Purple #9370DB ΔE 0.034
- Soft Purple #A66FB5 ΔE 0.037
- Wisteria #A87DC2 ΔE 0.041
- Amethyst #9B5FC0 ΔE 0.045
- Dark Lilac #9C6DA5 ΔE 0.062
- Deep Lavender #8D5EB7 ΔE 0.065
- Light Urple #B36FF6 ΔE 0.067
Use #A370CD 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.