#815BB1
Closest named color: Deep Lavender (#8D5EB7). oklch(54.9% 0.134 302.6), rgb(129, 91, 177).
Aa
White text reads best on this color (5.16:1).
About this color
#815BB1 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 55%, its chroma 0.134 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.024 away. White text reads best on it, at 5.16:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #815BB1 |
| RGB | rgb(129, 91, 177) |
| HSL | hsl(267, 36%, 53%) |
| OKLCH | oklch(54.9% 0.134 302.6) |
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 #815BB1 | 5.16:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #815BB1 | 4.06:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #815BB1 text on white | 5.16:1 | AA | Lc 75.4 | Fine for body text |
| #815BB1 text on black | 4.06:1 | AA large text | Lc -26.3 | 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
#DDD4EC
oklch(88.4% 0.034 302.7)
-
Step 300
300
#C8B8E1
oklch(80.9% 0.059 302.9)
-
Step 400
400
#AC92D3
oklch(70.7% 0.097 302.3)
-
Step 500
500
#9876C7
oklch(63.1% 0.123 302.4)
-
Step 600
600 (this color)
#815BB1
oklch(54.9% 0.134 302.6)
-
Step 700
700
#6F4C9A
oklch(49% 0.125 302.8)
-
Step 800
800
#5A3F7D
oklch(42.7% 0.103 302.4)
-
Step 900
900
#4A3665
oklch(37.7% 0.081 302.3)
-
Step 950
950
#2B203B
oklch(27% 0.051 301.9)
#815BB1 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) | #416CB4 | 0.095 |
| Deuteranopia (no green cones) | #4B6DAF | 0.087 |
| Tritanopia (no blue cones) | #786A7E | 0.100 |
| Achromatopsia (no color) | #6D6D6D | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #815BB1
#815BB1
oklch(54.9% 0.134 302.6)
- #647D00
#647D00
oklch(55% 0.134 122.5)
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 #815BB1, closest first.
No curated palette has a color within ΔE 0.04 of #815BB1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.024
- Amethyst #9B5FC0 ΔE 0.052
- Dark Lavender #856798 ΔE 0.057
- Light Indigo #6D5ACF ΔE 0.058
- Slate Blue #6A5ACD ΔE 0.059
- Iris #6258C4 ΔE 0.061
- Deep Lilac #966EBD ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.065
Use #815BB1 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.