#816BEA
Closest named color: Medium Slate Blue (#7B68EE). oklch(61.2% 0.184 287.6), rgb(129, 107, 234).
Aa
Black text reads best on this color (5.22:1).
About this color
#816BEA is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.184 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.014 away. Black text reads best on it, at 5.22:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.22:1 |
| White text | 4.01:1 |
Values
| HEX | #816BEA |
| RGB | rgb(129, 107, 234) |
| HSL | hsl(250, 75%, 67%) |
| OKLCH | oklch(61.2% 0.184 287.6) |
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 #816BEA | 4.01:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #816BEA | 5.22:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #816BEA text on white | 4.01:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #816BEA text on black | 5.22:1 | AA | Lc -34.5 | 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
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D7D5F9
oklch(88.6% 0.049 287.9)
-
Step 300
300
#BDB8F8
oklch(80.9% 0.09 287.8)
-
Step 400
400
#9C90F5
oklch(70.6% 0.145 287.5)
-
Step 500
500 (this color)
#816BEA
oklch(61.2% 0.184 287.6)
-
Step 600
600
#7255DF
oklch(55.5% 0.2 287.7)
-
Step 700
700
#6044C2
oklch(49.1% 0.187 287.7)
-
Step 800
800
#4E399D
oklch(42.7% 0.155 287.6)
-
Step 900
900
#40337D
oklch(37.8% 0.12 287.2)
-
Step 950
950
#251E49
oklch(26.9% 0.077 287.5)
#816BEA 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) | #2682EE | 0.101 |
| Deuteranopia (no green cones) | #267BE7 | 0.099 |
| Tritanopia (no blue cones) | #6087A0 | 0.154 |
| Achromatopsia (no color) | #7F7F7F | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #816BEA
#816BEA
oklch(61.2% 0.184 287.6)
- #8C8800
#8C8800
oklch(61% 0.131 107.6)
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 #816BEA, closest first.
No curated palette has a color within ΔE 0.04 of #816BEA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.014
- Medium Purple #9370DB ΔE 0.041
- Cornflower #6A79F7 ΔE 0.045
- Purpley #8756E4 ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.064
- Periwinkle #8E82FE ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.065
- Lighter Purple #A55AF4 ΔE 0.068
Use #816BEA 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.