#816BEC
Closest named color: Medium Slate Blue (#7B68EE). oklch(61.3% 0.187 287.4), rgb(129, 107, 236).
Aa
Black text reads best on this color (5.24:1).
About this color
#816BEC is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.187 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.013 away. Black text reads best on it, at 5.24:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #816BEC |
| RGB | rgb(129, 107, 236) |
| HSL | hsl(250, 77%, 67%) |
| OKLCH | oklch(61.3% 0.187 287.4) |
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 #816BEC | 4.00:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #816BEC | 5.24:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #816BEC text on white | 4.00:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #816BEC text on black | 5.24:1 | AA | Lc -34.6 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5FA
oklch(88.6% 0.051 286.6)
-
Step 300
300
#BCB8F9
oklch(80.9% 0.091 287)
-
Step 400
400
#9C90F6
oklch(70.7% 0.146 287.4)
-
Step 500
500 (this color)
#816BEC
oklch(61.3% 0.187 287.4)
-
Step 600
600
#7255E1
oklch(55.7% 0.203 287.4)
-
Step 700
700
#6044C3
oklch(49.1% 0.188 287.5)
-
Step 800
800
#4E399E
oklch(42.8% 0.156 287.4)
-
Step 900
900
#40327D
oklch(37.6% 0.122 287.6)
-
Step 950
950
#251E49
oklch(26.9% 0.077 287.5)
#816BEC 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) | #2282F0 | 0.103 |
| Deuteranopia (no green cones) | #227CE9 | 0.101 |
| Tritanopia (no blue cones) | #5F87A1 | 0.156 |
| Achromatopsia (no color) | #7F7F7F | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #816BEC
#816BEC
oklch(61.3% 0.187 287.4)
- #8D8900
#8D8900
oklch(61.4% 0.132 107.7)
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 #816BEC, closest first.
No curated palette has a color within ΔE 0.04 of #816BEC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.013
- Medium Purple #9370DB ΔE 0.042
- Cornflower #6A79F7 ΔE 0.044
- Purpley #8756E4 ΔE 0.046
- Periwinkle #8E82FE ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.066
- Light Indigo #6D5ACF ΔE 0.067
- Lighter Purple #A55AF4 ΔE 0.067
Use #816BEC 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.