#7171DA
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.9% 0.156 280.6), rgb(113, 113, 218).
Aa
Black text reads best on this color (5.07:1).
About this color
#7171DA is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.156 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.041 away. Black text reads best on it, at 5.07:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #7171DA |
| RGB | rgb(113, 113, 218) |
| HSL | hsl(240, 59%, 65%) |
| OKLCH | oklch(59.9% 0.156 280.6) |
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 #7171DA | 4.13:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #7171DA | 5.07:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #7171DA text on white | 4.13:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #7171DA text on black | 5.07:1 | AA | Lc -33.4 | 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
#E7E9F9
oklch(93.7% 0.022 280.3)
-
Step 200
200
#D3D7F5
oklch(88.5% 0.041 279.5)
-
Step 300
300
#B7BCF2
oklch(81% 0.076 280.4)
-
Step 400
400
#9397EB
oklch(70.7% 0.122 280.7)
-
Step 500
500 (this color)
#7171DA
oklch(59.9% 0.156 280.6)
-
Step 600
600
#6461D3
oklch(55.5% 0.171 280.5)
-
Step 700
700
#5450B7
oklch(49.2% 0.158 280.6)
-
Step 800
800
#444294
oklch(42.7% 0.131 280.4)
-
Step 900
900
#393976
oklch(37.8% 0.102 280.4)
-
Step 950
950
#212245
oklch(27.1% 0.064 280)
#7171DA 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) | #4381DE | 0.061 |
| Deuteranopia (no green cones) | #3A79D8 | 0.062 |
| Tritanopia (no blue cones) | #4A889B | 0.136 |
| Achromatopsia (no color) | #7D7D7D | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7171DA
#7171DA
oklch(59.9% 0.156 280.6)
- #918100
#918100
oklch(59.9% 0.125 100.6)
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 #7171DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.041
- Cornflower #6A79F7 ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.050
- Medium Purple #9370DB ΔE 0.052
- Light Indigo #6D5ACF ΔE 0.057
- Soft Blue #6488EA ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.059
- Royal Blue #4169E1 ΔE 0.066
Use #7171DA 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.