#816FFB
Closest named color: Medium Slate Blue (#7B68EE). oklch(63% 0.201 284.9), rgb(129, 111, 251).
Aa
Black text reads best on this color (5.60:1).
About this color
#816FFB is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.201 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.026 away. Black text reads best on it, at 5.60:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #816FFB |
| RGB | rgb(129, 111, 251) |
| HSL | hsl(248, 95%, 71%) |
| OKLCH | oklch(63% 0.201 284.9) |
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 #816FFB | 3.74:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #816FFB | 5.60:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #816FFB text on white | 3.74:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #816FFB text on black | 5.60:1 | AA | Lc -37.0 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E7E8FD
oklch(93.7% 0.028 283.7)
-
Step 200
200
#D5D5FD
oklch(88.6% 0.055 285.2)
-
Step 300
300
#B9B8FE
oklch(80.9% 0.098 284.6)
-
Step 400
400
#9890FE
oklch(70.8% 0.157 284.9)
-
Step 500
500 (this color)
#816FFB
oklch(63% 0.201 284.9)
-
Step 600
600
#6D52EA
oklch(55.5% 0.218 284.9)
-
Step 700
700
#5C41CC
oklch(49.1% 0.203 285)
-
Step 800
800
#4B37A5
oklch(42.8% 0.168 285.1)
-
Step 900
900
#3D3183
oklch(37.6% 0.132 284.8)
-
Step 950
950
#241E4C
oklch(27% 0.082 285.5)
#816FFB 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) | #0A88FF | 0.106 |
| Deuteranopia (no green cones) | #0080F8 | 0.105 |
| Tritanopia (no blue cones) | #558FAA | 0.170 |
| Achromatopsia (no color) | #848484 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #816FFB
#816FFB
oklch(63% 0.201 284.9)
- #968D00
#968D00
oklch(63.1% 0.134 105.1)
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 #816FFB, closest first.
No curated palette has a color within ΔE 0.04 of #816FFB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.026
- Cornflower #6A79F7 ΔE 0.038
- Periwinkle #8E82FE ΔE 0.050
- Medium Purple #9370DB ΔE 0.056
- Purpley #8756E4 ΔE 0.062
- Lavender Blue #8B88F8 ΔE 0.064
- Lighter Purple #A55AF4 ΔE 0.069
- Soft Blue #6488EA ΔE 0.075
Use #816FFB 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.