#816BDE
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.4% 0.169 289.1), rgb(129, 107, 222).
Aa
Black text reads best on this color (5.09:1).
About this color
#816BDE is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.169 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.028 away. Black text reads best on it, at 5.09:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #816BDE |
| RGB | rgb(129, 107, 222) |
| HSL | hsl(251, 64%, 65%) |
| OKLCH | oklch(60.4% 0.169 289.1) |
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 #816BDE | 4.12:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #816BDE | 5.09:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #816BDE text on white | 4.12:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #816BDE text on black | 5.09:1 | AA | Lc -33.5 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D8D5F6
oklch(88.6% 0.045 289.6)
-
Step 300
300
#BEB8F3
oklch(80.8% 0.083 289.1)
-
Step 400
400
#9F92ED
oklch(70.8% 0.131 289.2)
-
Step 500
500 (this color)
#816BDE
oklch(60.4% 0.169 289.1)
-
Step 600
600
#7459D5
oklch(55.6% 0.182 289.1)
-
Step 700
700
#6248B9
oklch(49.2% 0.17 289.2)
-
Step 800
800
#503C96
oklch(42.8% 0.141 289.3)
-
Step 900
900
#413477
oklch(37.6% 0.11 288.9)
-
Step 950
950
#261F46
oklch(27% 0.07 289.1)
#816BDE 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) | #377FE2 | 0.092 |
| Deuteranopia (no green cones) | #397ADB | 0.089 |
| Tritanopia (no blue cones) | #66839A | 0.140 |
| Achromatopsia (no color) | #7D7D7D | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #816BDE
#816BDE
oklch(60.4% 0.169 289.1)
- #888700
#888700
oklch(60.4% 0.131 109.2)
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 #816BDE, closest first.
No curated palette has a color within ΔE 0.04 of #816BDE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.028
- Medium Purple #9370DB ΔE 0.033
- Purpley #8756E4 ΔE 0.048
- Cornflower #6A79F7 ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.061
- Deep Lilac #966EBD ΔE 0.063
Use #816BDE 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.