#815BB9
Closest named color: Deep Lavender (#8D5EB7). oklch(55.4% 0.144 300.4), rgb(129, 91, 185).
Aa
White text reads best on this color (5.08:1).
About this color
#815BB9 is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.144 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.023 away. White text reads best on it, at 5.08:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.13:1 |
| White text | 5.08:1 |
Values
| HEX | #815BB9 |
| RGB | rgb(129, 91, 185) |
| HSL | hsl(264, 40%, 54%) |
| OKLCH | oklch(55.4% 0.144 300.4) |
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 #815BB9 | 5.08:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #815BB9 | 4.13:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #815BB9 text on white | 5.08:1 | AA | Lc 74.9 | Content text, not long reading |
| #815BB9 text on black | 4.13:1 | AA large text | Lc -26.8 | Dividers and decoration only |
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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DDD4EE
oklch(88.5% 0.037 301.4)
-
Step 300
300
#C7B8E5
oklch(81% 0.065 300.2)
-
Step 400
400
#AB91D8
oklch(70.6% 0.105 300.6)
-
Step 500
500
#9775CD
oklch(63.2% 0.132 300.5)
-
Step 600
600 (this color)
#815BB9
oklch(55.4% 0.144 300.4)
-
Step 700
700
#6E4BA0
oklch(49.1% 0.134 300.6)
-
Step 800
800
#593E82
oklch(42.7% 0.111 300.1)
-
Step 900
900
#493568
oklch(37.6% 0.087 300.4)
-
Step 950
950
#2B203D
oklch(27.1% 0.054 300.3)
#815BB9 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) | #3B6EBC | 0.100 |
| Deuteranopia (no green cones) | #456EB7 | 0.093 |
| Tritanopia (no blue cones) | #766D81 | 0.112 |
| Achromatopsia (no color) | #6E6E6E | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #815BB9
#815BB9
oklch(55.4% 0.144 300.4)
- #697D00
#697D00
oklch(55.4% 0.132 120.2)
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 #815BB9, closest first.
No curated palette has a color within ΔE 0.04 of #815BB9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.023
- Amethyst #9B5FC0 ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.050
- Iris #6258C4 ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.056
- Deep Lilac #966EBD ΔE 0.062
- Dark Lavender #856798 ΔE 0.067
Use #815BB9 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.