#816FDB
Closest named color: Medium Purple (#9370DB). oklch(60.9% 0.159 288.4), rgb(129, 111, 219).
Aa
Black text reads best on this color (5.23:1).
About this color
#816FDB is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.159 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.029 away. Black text reads best on it, at 5.23:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.23:1 |
| White text | 4.01:1 |
Values
| HEX | #816FDB |
| RGB | rgb(129, 111, 219) |
| HSL | hsl(250, 60%, 65%) |
| OKLCH | oklch(60.9% 0.159 288.4) |
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 #816FDB | 4.01:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #816FDB | 5.23:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #816FDB text on white | 4.01:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #816FDB text on black | 5.23:1 | AA | Lc -34.4 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F5
oklch(88.5% 0.044 288.3)
-
Step 300
300
#BEB9F1
oklch(80.9% 0.079 288.6)
-
Step 400
400
#9E93E9
oklch(70.7% 0.124 288.7)
-
Step 500
500 (this color)
#816FDB
oklch(60.9% 0.159 288.4)
-
Step 600
600
#725CD0
oklch(55.6% 0.172 288.2)
-
Step 700
700
#604BB4
oklch(49.1% 0.16 288.3)
-
Step 800
800
#4E3E92
oklch(42.7% 0.133 288.2)
-
Step 900
900
#413674
oklch(37.8% 0.102 288.7)
-
Step 950
950
#262044
oklch(27% 0.065 288.9)
#816FDB 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) | #4381DF | 0.081 |
| Deuteranopia (no green cones) | #437CD9 | 0.079 |
| Tritanopia (no blue cones) | #67859B | 0.132 |
| Achromatopsia (no color) | #7F7F7F | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #816FDB
#816FDB
oklch(60.9% 0.159 288.4)
- #8B8800
#8B8800
oklch(60.9% 0.132 108.2)
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 #816FDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.029
- Medium Slate Blue #7B68EE ΔE 0.036
- Cornflower #6A79F7 ΔE 0.054
- Deep Lilac #966EBD ΔE 0.056
- Purpley #8756E4 ΔE 0.059
- Dark Periwinkle #665FD1 ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.064
- Amethyst #9B5FC0 ΔE 0.064
Use #816FDB 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.