#816CB9
Closest named color: Deep Lilac (#966EBD). oklch(58.4% 0.117 295.1), rgb(129, 108, 185).
Aa
Black text reads best on this color (4.77:1).
About this color
#816CB9 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 58%, its chroma 0.117 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.036 away. Black text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #816CB9 |
| RGB | rgb(129, 108, 185) |
| HSL | hsl(256, 35%, 57%) |
| OKLCH | oklch(58.4% 0.117 295.1) |
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 #816CB9 | 4.39:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #816CB9 | 4.77:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #816CB9 text on white | 4.39:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #816CB9 text on black | 4.77:1 | AA | Lc -31.3 | 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 600.
-
Step 50
50
#F6F5FA
oklch(97.2% 0.007 295.5)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C2BAE0
oklch(80.8% 0.054 294.8)
-
Step 400
400
#A496D0
oklch(70.6% 0.085 295.2)
-
Step 500
500
#8E7CC4
oklch(63.2% 0.108 294.6)
-
Step 600
600 (this color)
#816CB9
oklch(58.4% 0.117 295.1)
-
Step 700
700
#665297
oklch(49% 0.109 295.5)
-
Step 800
800
#53447B
oklch(42.8% 0.09 294.9)
-
Step 900
900
#443963
oklch(37.6% 0.071 294.8)
-
Step 950
950
#28223A
oklch(27.1% 0.044 294.7)
#816CB9 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) | #5579BC | 0.065 |
| Deuteranopia (no green cones) | #5977B7 | 0.061 |
| Tritanopia (no blue cones) | #757A8A | 0.094 |
| Achromatopsia (no color) | #787878 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #816CB9
#816CB9
oklch(58.4% 0.117 295.1)
- #7A8324
#7A8324
oklch(58.4% 0.117 114.8)
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 #816CB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.036
- Deep Lavender #8D5EB7 ΔE 0.038
- Dark Lavender #856798 ΔE 0.050
- Amethyst #9B5FC0 ΔE 0.053
- Dark Lilac #9C6DA5 ΔE 0.055
- Faded Purple #916E99 ΔE 0.058
- Medium Purple #9370DB ΔE 0.060
- Soft Purple #A66FB5 ΔE 0.063
Use #816CB9 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.