#815D9B
Closest named color: Dark Lavender (#856798). oklch(54.1% 0.102 310), rgb(129, 93, 155).
Aa
White text reads best on this color (5.28:1).
About this color
#815D9B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 54%, its chroma 0.102 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lavender (#856798), ΔE 0.030 away. White text reads best on it, at 5.28:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Lavender (#856798) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #815D9B |
| RGB | rgb(129, 93, 155) |
| HSL | hsl(275, 25%, 49%) |
| OKLCH | oklch(54.1% 0.102 310) |
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 #815D9B | 5.28:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #815D9B | 3.97:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #815D9B text on white | 5.28:1 | AA | Lc 76.2 | Fine for body text |
| #815D9B text on black | 3.97:1 | AA large text | Lc -25.6 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DED5E6
oklch(88.5% 0.025 309.3)
-
Step 300
300
#CAB9D7
oklch(80.9% 0.045 310.6)
-
Step 400
400
#AF94C3
oklch(70.7% 0.073 310.5)
-
Step 500
500
#9B79B4
oklch(63.1% 0.094 310.2)
-
Step 600
600 (this color)
#815D9B
oklch(54.1% 0.102 310)
-
Step 700
700
#715089
oklch(49% 0.096 309.9)
-
Step 800
800
#5C426F
oklch(42.7% 0.079 309.9)
-
Step 900
900
#4C385A
oklch(37.7% 0.062 310.6)
-
Step 950
950
#2C2135
oklch(27% 0.039 309.1)
#815D9B 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) | #516A9D | 0.077 |
| Deuteranopia (no green cones) | #596C99 | 0.071 |
| Tritanopia (no blue cones) | #7E6675 | 0.072 |
| Achromatopsia (no color) | #6C6C6C | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #815D9B
#815D9B
oklch(54.1% 0.102 310)
- #5B7A37
#5B7A37
oklch(54% 0.101 129.8)
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 #815D9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lavender #856798 ΔE 0.030
- Muted Purple #805B87 ΔE 0.031
- Dusty Purple #825F87 ΔE 0.034
- Dull Purple #84597E ΔE 0.045
- Deep Lavender #8D5EB7 ΔE 0.048
- Dusky Purple #895B7B ΔE 0.052
- Grey Purple #826D8C ΔE 0.055
- Faded Purple #916E99 ΔE 0.056
Use #815D9B 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.