#7171E3
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.5% 0.169 280.1), rgb(113, 113, 227).
Aa
Black text reads best on this color (5.17:1).
About this color
#7171E3 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.169 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.030 away. Black text reads best on it, at 5.17:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #7171E3 |
| RGB | rgb(113, 113, 227) |
| HSL | hsl(240, 67%, 67%) |
| OKLCH | oklch(60.5% 0.169 280.1) |
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 #7171E3 | 4.05:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #7171E3 | 5.17:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #7171E3 text on white | 4.05:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #7171E3 text on black | 5.17:1 | AA | Lc -34.1 | 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 500.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E8FA
oklch(93.5% 0.024 280.9)
-
Step 200
200
#D3D6F8
oklch(88.5% 0.047 281.4)
-
Step 300
300
#B6BBF6
oklch(80.9% 0.083 280.6)
-
Step 400
400
#9196F1
oklch(70.7% 0.132 280)
-
Step 500
500 (this color)
#7171E3
oklch(60.5% 0.169 280.1)
-
Step 600
600
#635FDA
oklch(55.6% 0.183 280.1)
-
Step 700
700
#524DBD
oklch(49% 0.171 280)
-
Step 800
800
#434099
oklch(42.6% 0.141 280.1)
-
Step 900
900
#38387A
oklch(37.8% 0.11 279.8)
-
Step 950
950
#212147
oklch(27% 0.069 280.7)
#7171E3 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) | #3982E7 | 0.067 |
| Deuteranopia (no green cones) | #2E7AE1 | 0.070 |
| Tritanopia (no blue cones) | #448A9F | 0.147 |
| Achromatopsia (no color) | #7E7E7E | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7171E3
#7171E3
oklch(60.5% 0.169 280.1)
- #948200
#948200
oklch(60.5% 0.125 99.5)
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 #7171E3, closest first.
No curated palette has a color within ΔE 0.04 of #7171E3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.030
- Cornflower #6A79F7 ΔE 0.034
- Medium Purple #9370DB ΔE 0.053
- Dark Periwinkle #665FD1 ΔE 0.053
- Soft Blue #6488EA ΔE 0.057
- Light Indigo #6D5ACF ΔE 0.061
- Slate Blue #6A5ACD ΔE 0.064
- Royal Blue #4169E1 ΔE 0.065
Use #7171E3 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.