#815CB5
Closest named color: Deep Lavender (#8D5EB7). oklch(55.3% 0.138 301.2), rgb(129, 92, 181).
Aa
White text reads best on this color (5.08:1).
About this color
#815CB5 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 55%, its chroma 0.138 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.022 away. White text reads best on it, at 5.08:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.13:1 |
| White text | 5.08:1 |
Values
| HEX | #815CB5 |
| RGB | rgb(129, 92, 181) |
| HSL | hsl(265, 38%, 54%) |
| OKLCH | oklch(55.3% 0.138 301.2) |
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 #815CB5 | 5.08:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #815CB5 | 4.13:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #815CB5 text on white | 5.08:1 | AA | Lc 74.9 | Content text, not long reading |
| #815CB5 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DDD4ED
oklch(88.5% 0.035 302)
-
Step 300
300
#C7B8E3
oklch(80.9% 0.062 301)
-
Step 400
400
#AB92D5
oklch(70.7% 0.099 301)
-
Step 500
500
#9776C9
oklch(63.1% 0.126 301.2)
-
Step 600
600 (this color)
#815CB5
oklch(55.3% 0.138 301.2)
-
Step 700
700
#6E4C9D
oklch(49.1% 0.128 301.2)
-
Step 800
800
#593F7F
oklch(42.7% 0.105 300.8)
-
Step 900
900
#493666
oklch(37.7% 0.082 300.8)
-
Step 950
950
#2B203C
oklch(27.1% 0.052 301.1)
#815CB5 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) | #406EB8 | 0.095 |
| Deuteranopia (no green cones) | #496EB3 | 0.088 |
| Tritanopia (no blue cones) | #776C80 | 0.105 |
| Achromatopsia (no color) | #6E6E6E | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #815CB5
#815CB5
oklch(55.3% 0.138 301.2)
- #677D00
#677D00
oklch(55.2% 0.133 121.1)
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 #815CB5, closest first.
No curated palette has a color within ΔE 0.04 of #815CB5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.022
- Amethyst #9B5FC0 ΔE 0.049
- Light Indigo #6D5ACF ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.055
- Iris #6258C4 ΔE 0.059
- Deep Lilac #966EBD ΔE 0.060
- Dark Lavender #856798 ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.061
Use #815CB5 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.