#813FA4
Closest named color: Purply (#983FB2). oklch(49.7% 0.163 312.1), rgb(129, 63, 164).
Aa
White text reads best on this color (6.60:1).
About this color
#813FA4 is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.163 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.048 away. White text reads best on it, at 6.60:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.18:1 |
| White text | 6.60:1 |
Values
| HEX | #813FA4 |
| RGB | rgb(129, 63, 164) |
| HSL | hsl(279, 44%, 45%) |
| OKLCH | oklch(49.7% 0.163 312.1) |
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 #813FA4 | 6.60:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #813FA4 | 3.18:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #813FA4 text on white | 6.60:1 | AA | Lc 82.1 | Fine for body text |
| #813FA4 text on black | 3.18:1 | AA large text | Lc -19.8 | 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 700.
-
Step 50
50
#F8F4FB
oklch(97.2% 0.01 311.2)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E3D1EF
oklch(88.4% 0.045 312)
-
Step 300
300
#D2B2E6
oklch(80.8% 0.08 312.3)
-
Step 400
400
#BB88D9
oklch(70.6% 0.127 312.3)
-
Step 500
500
#AA68CF
oklch(63.1% 0.162 312.2)
-
Step 600
600
#954DBC
oklch(55.6% 0.176 312)
-
Step 700
700 (this color)
#813FA4
oklch(49.7% 0.163 312.1)
-
Step 800
800
#673383
oklch(42.6% 0.135 312)
-
Step 900
900
#542E69
oklch(37.7% 0.105 312.1)
-
Step 950
950
#311B3E
oklch(26.9% 0.068 311.6)
#813FA4 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) | #1959A7 | 0.147 |
| Deuteranopia (no green cones) | #375EA2 | 0.129 |
| Tritanopia (no blue cones) | #7D526B | 0.112 |
| Achromatopsia (no color) | #5D5D5D | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813FA4
#813FA4
oklch(49.7% 0.163 312.1)
- #437200
#437200
oklch(49.9% 0.139 132.1)
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 #813FA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.048
- Warm Purple #952E8F ΔE 0.056
- Light Eggplant #894585 ΔE 0.058
- Rebecca Purple #663399 ΔE 0.062
- Dark Orchid #9932CC ΔE 0.077
- Deep Lavender #8D5EB7 ΔE 0.078
- Bluey Purple #6241C7 ΔE 0.081
- Dark Magenta #8B008B ΔE 0.084
Use #813FA4 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.