#7171C8
Closest named color: Dark Periwinkle (#665FD1). oklch(58.8% 0.131 281.6), rgb(113, 113, 200).
Aa
Black text reads best on this color (4.89:1).
About this color
#7171C8 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 59%, its chroma 0.131 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.054 away. Black text reads best on it, at 4.89:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.89:1 |
| White text | 4.28:1 |
Values
| HEX | #7171C8 |
| RGB | rgb(113, 113, 200) |
| HSL | hsl(240, 44%, 61%) |
| OKLCH | oklch(58.8% 0.131 281.6) |
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 #7171C8 | 4.28:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #7171C8 | 4.89:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #7171C8 text on white | 4.28:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #7171C8 text on black | 4.89:1 | AA | Lc -32.1 | 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 600.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D5D7EF
oklch(88.5% 0.033 281.9)
-
Step 300
300
#BABDE7
oklch(81% 0.059 281.8)
-
Step 400
400
#979ADA
oklch(70.8% 0.093 281.7)
-
Step 500
500
#7E7FD0
oklch(63% 0.121 281.8)
-
Step 600
600 (this color)
#7171C8
oklch(58.8% 0.131 281.6)
-
Step 700
700
#5755A3
oklch(49% 0.122 282.1)
-
Step 800
800
#474684
oklch(42.6% 0.101 282)
-
Step 900
900
#3B3B6A
oklch(37.6% 0.079 281.9)
-
Step 950
950
#22233E
oklch(26.9% 0.05 280.9)
#7171C8 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) | #507DCB | 0.048 |
| Deuteranopia (no green cones) | #4B77C6 | 0.048 |
| Tritanopia (no blue cones) | #558393 | 0.114 |
| Achromatopsia (no color) | #7A7A7A | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7171C8
#7171C8
oklch(58.8% 0.131 281.6)
- #8C7E00
#8C7E00
oklch(58.8% 0.123 101.6)
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 #7171C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.054
- Deep Lilac #966EBD ΔE 0.059
- Medium Purple #9370DB ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.061
- Slate Blue #6A5ACD ΔE 0.061
- Deep Lavender #8D5EB7 ΔE 0.063
- Medium Slate Blue #7B68EE ΔE 0.066
- Windows Blue #3778BF ΔE 0.069
Use #7171C8 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.