#7173CA
Closest named color: Dark Periwinkle (#665FD1). oklch(59.4% 0.131 280.6), rgb(113, 115, 202).
Aa
Black text reads best on this color (5.00:1).
About this color
#7173CA is a medium-dark, moderately saturated purple. In OKLCH its lightness is 59%, its chroma 0.131 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.057 away. Black text reads best on it, at 5.00:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #7173CA |
| RGB | rgb(113, 115, 202) |
| HSL | hsl(239, 46%, 62%) |
| OKLCH | oklch(59.4% 0.131 280.6) |
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 #7173CA | 4.19:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #7173CA | 5.00:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #7173CA text on white | 4.19:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #7173CA text on black | 5.00:1 | AA | Lc -32.9 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F1
oklch(88.5% 0.036 280.4)
-
Step 300
300
#B8BDEA
oklch(81% 0.064 279.9)
-
Step 400
400
#9599DF
oklch(70.7% 0.102 280.9)
-
Step 500
500 (this color)
#7173CA
oklch(59.4% 0.131 280.6)
-
Step 600
600
#6666C4
oklch(55.6% 0.143 280.7)
-
Step 700
700
#5554A9
oklch(49.1% 0.133 280.9)
-
Step 800
800
#454589
oklch(42.6% 0.11 280.7)
-
Step 900
900
#3A3B6E
oklch(37.8% 0.086 280.6)
-
Step 950
950
#222340
oklch(27.1% 0.053 280.7)
#7173CA 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) | #527FCD | 0.046 |
| Deuteranopia (no green cones) | #4D79C8 | 0.046 |
| Tritanopia (no blue cones) | #548595 | 0.114 |
| Achromatopsia (no color) | #7C7C7C | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7173CA
#7173CA
oklch(59.4% 0.131 280.6)
- #8F7F00
#8F7F00
oklch(59.3% 0.123 100.5)
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 #7173CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.057
- Medium Purple #9370DB ΔE 0.059
- Deep Lilac #966EBD ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.065
- Medium Slate Blue #7B68EE ΔE 0.065
- Slate Blue #6A5ACD ΔE 0.065
- Soft Blue #6488EA ΔE 0.066
- Deep Lavender #8D5EB7 ΔE 0.066
Use #7173CA 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.