#815FF4
Closest named color: Medium Slate Blue (#7B68EE). oklch(60% 0.213 288.8), rgb(129, 95, 244).
Aa
Black text reads best on this color (4.87:1).
About this color
#815FF4 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.213 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.023 away. Black text reads best on it, at 4.87:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #815FF4 |
| RGB | rgb(129, 95, 244) |
| HSL | hsl(254, 87%, 66%) |
| OKLCH | oklch(60% 0.213 288.8) |
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 #815FF4 | 4.30:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #815FF4 | 4.87:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #815FF4 text on white | 4.30:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #815FF4 text on black | 4.87:1 | AA | Lc -32.3 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D7D4FE
oklch(88.6% 0.058 288.4)
-
Step 300
300
#BEB6FF
oklch(80.9% 0.102 288.9)
-
Step 400
400
#9F8CFF
oklch(70.7% 0.164 289.1)
-
Step 500
500 (this color)
#815FF4
oklch(60% 0.213 288.8)
-
Step 600
600
#764AEE
oklch(55.5% 0.231 288.9)
-
Step 700
700
#6439CF
oklch(49% 0.215 289)
-
Step 800
800
#5131A8
oklch(42.7% 0.179 288.8)
-
Step 900
900
#422E85
oklch(37.7% 0.139 288.5)
-
Step 950
950
#261C4E
oklch(27% 0.088 288.2)
#815FF4 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) | #007DF9 | 0.119 |
| Deuteranopia (no green cones) | #0076F1 | 0.117 |
| Tritanopia (no blue cones) | #5B82A1 | 0.174 |
| Achromatopsia (no color) | #7A7A7A | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #815FF4
#815FF4
oklch(60% 0.213 288.8)
- #878500
#878500
oklch(59.9% 0.13 108.7)
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 #815FF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.023
- Purpley #8756E4 ΔE 0.031
- Lighter Purple #A55AF4 ΔE 0.061
- Cornflower #6A79F7 ΔE 0.063
- Light Indigo #6D5ACF ΔE 0.065
- Medium Purple #9370DB ΔE 0.066
- Dark Periwinkle #665FD1 ΔE 0.068
- Slate Blue #6A5ACD ΔE 0.071
Use #815FF4 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.