#7373DF
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.8% 0.16 280.5), rgb(115, 115, 223).
Aa
Black text reads best on this color (5.24:1).
About this color
#7373DF is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.160 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.037 away. Black text reads best on it, at 5.24:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #7373DF |
| RGB | rgb(115, 115, 223) |
| HSL | hsl(240, 63%, 66%) |
| OKLCH | oklch(60.8% 0.16 280.5) |
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 #7373DF | 4.00:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #7373DF | 5.24:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #7373DF text on white | 4.00:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #7373DF text on black | 5.24:1 | AA | Lc -34.5 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E9F9
oklch(93.7% 0.022 280.3)
-
Step 200
200
#D3D7F6
oklch(88.6% 0.043 279.7)
-
Step 300
300
#B7BBF3
oklch(80.8% 0.079 281.3)
-
Step 400
400
#9297ED
oklch(70.7% 0.125 280.1)
-
Step 500
500 (this color)
#7373DF
oklch(60.8% 0.16 280.5)
-
Step 600
600
#6460D5
oklch(55.5% 0.175 280.6)
-
Step 700
700
#534FB9
oklch(49.1% 0.162 280.3)
-
Step 800
800
#444195
oklch(42.6% 0.134 280.7)
-
Step 900
900
#393877
oklch(37.7% 0.105 280.8)
-
Step 950
950
#212146
oklch(26.9% 0.067 280.9)
#7373DF 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) | #4383E3 | 0.062 |
| Deuteranopia (no green cones) | #3A7BDD | 0.064 |
| Tritanopia (no blue cones) | #4B8A9E | 0.139 |
| Achromatopsia (no color) | #7F7F7F | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7373DF
#7373DF
oklch(60.8% 0.16 280.5)
- #948300
#948300
oklch(60.7% 0.126 100.2)
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 #7373DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.037
- Cornflower #6A79F7 ΔE 0.038
- Medium Purple #9370DB ΔE 0.049
- Soft Blue #6488EA ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.057
- Light Indigo #6D5ACF ΔE 0.064
- Slate Blue #6A5ACD ΔE 0.067
- Royal Blue #4169E1 ΔE 0.070
Use #7373DF 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.