#7171D3
Closest named color: Dark Periwinkle (#665FD1). oklch(59.5% 0.147 281), rgb(113, 113, 211).
Aa
Black text reads best on this color (5.00:1).
About this color
#7171D3 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.147 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.049 away. Black text reads best on it, at 5.00:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #7171D3 |
| RGB | rgb(113, 113, 211) |
| HSL | hsl(240, 53%, 64%) |
| OKLCH | oklch(59.5% 0.147 281) |
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 #7171D3 | 4.19:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #7171D3 | 5.00:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #7171D3 text on white | 4.19:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #7171D3 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D4D7F4
oklch(88.6% 0.04 280.9)
-
Step 300
300
#B8BCEF
oklch(81% 0.072 281.2)
-
Step 400
400
#9498E6
oklch(70.7% 0.113 280.8)
-
Step 500
500 (this color)
#7171D3
oklch(59.5% 0.147 281)
-
Step 600
600
#6663CD
oklch(55.6% 0.159 281.2)
-
Step 700
700
#5551B1
oklch(49% 0.148 281.3)
-
Step 800
800
#454390
oklch(42.7% 0.124 281)
-
Step 900
900
#3A3973
oklch(37.7% 0.097 281.5)
-
Step 950
950
#222243
oklch(27% 0.06 281.6)
#7171D3 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) | #487FD7 | 0.055 |
| Deuteranopia (no green cones) | #4278D1 | 0.056 |
| Tritanopia (no blue cones) | #4F8698 | 0.127 |
| Achromatopsia (no color) | #7C7C7C | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7171D3
#7171D3
oklch(59.5% 0.147 281)
- #8F8000
#8F8000
oklch(59.5% 0.124 101.1)
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 #7171D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.049
- Medium Slate Blue #7B68EE ΔE 0.050
- Medium Purple #9370DB ΔE 0.054
- Cornflower #6A79F7 ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.058
- Soft Blue #6488EA ΔE 0.063
- Deep Lilac #966EBD ΔE 0.065
Use #7171D3 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.