#A370DA
Closest named color: Medium Purple (#9370DB). oklch(64.2% 0.16 304.5), rgb(163, 112, 218).
Aa
Black text reads best on this color (5.88:1).
About this color
#A370DA is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.160 and its hue 305°. 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 5.88:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.88:1 |
| White text | 3.56:1 |
Values
| HEX | #A370DA |
| RGB | rgb(163, 112, 218) |
| HSL | hsl(269, 59%, 65%) |
| OKLCH | oklch(64.2% 0.16 304.5) |
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 #A370DA | 3.56:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #A370DA | 5.88:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #A370DA text on white | 3.56:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #A370DA text on black | 5.88:1 | AA | Lc -38.7 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#DFD3F1
oklch(88.6% 0.043 303.7)
-
Step 300
300
#CCB4EA
oklch(80.8% 0.079 304.9)
-
Step 400
400
#B28CDF
oklch(70.7% 0.124 304.5)
-
Step 500
500 (this color)
#A370DA
oklch(64.2% 0.16 304.5)
-
Step 600
600
#8B52C4
oklch(55.7% 0.174 304.4)
-
Step 700
700
#7642A9
oklch(49.2% 0.161 304.4)
-
Step 800
800
#603789
oklch(42.8% 0.134 304.4)
-
Step 900
900
#4E306D
oklch(37.6% 0.104 304.6)
-
Step 950
950
#2E1D40
oklch(27% 0.066 304.8)
#A370DA 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) | #5186DE | 0.117 |
| Deuteranopia (no green cones) | #5F88D7 | 0.108 |
| Tritanopia (no blue cones) | #9A839B | 0.119 |
| Achromatopsia (no color) | #888888 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A370DA
#A370DA
oklch(64.2% 0.16 304.5)
- #789C02
#789C02
oklch(64.2% 0.16 124.4)
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 #A370DA, closest first.
No curated palette has a color within ΔE 0.04 of #A370DA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.026
- Deep Lilac #966EBD ΔE 0.049
- Light Urple #B36FF6 ΔE 0.049
- Amethyst #9B5FC0 ΔE 0.054
- Wisteria #A87DC2 ΔE 0.055
- Soft Purple #A66FB5 ΔE 0.056
- Light Purple #BF77F6 ΔE 0.064
- Lighter Purple #A55AF4 ΔE 0.064
Use #A370DA 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.