#813EB1
Closest named color: Purply (#983FB2). oklch(50.5% 0.179 308), rgb(129, 62, 177).
Aa
White text reads best on this color (6.44:1).
About this color
#813EB1 is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.179 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.045 away. White text reads best on it, at 6.44:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.25:1 |
| White text | 6.44:1 |
Values
| HEX | #813EB1 |
| RGB | rgb(129, 62, 177) |
| HSL | hsl(275, 48%, 47%) |
| OKLCH | oklch(50.5% 0.179 308) |
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 #813EB1 | 6.44:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #813EB1 | 3.25:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #813EB1 text on white | 6.44:1 | AA | Lc 81.4 | Fine for body text |
| #813EB1 text on black | 3.25:1 | AA large text | Lc -20.5 | 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
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E2D1F2
oklch(88.5% 0.048 308.5)
-
Step 300
300
#D0B2EC
oklch(80.9% 0.086 308)
-
Step 400
400
#B987E3
oklch(70.7% 0.14 308.2)
-
Step 500
500
#A766DA
oklch(63.1% 0.177 308)
-
Step 600
600
#934AC8
oklch(55.7% 0.192 308)
-
Step 700
700 (this color)
#813EB1
oklch(50.5% 0.179 308)
-
Step 800
800
#66318C
oklch(42.8% 0.148 308.2)
-
Step 900
900
#532C70
oklch(37.7% 0.117 308.3)
-
Step 950
950
#301B41
oklch(27% 0.072 307.8)
#813EB1 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) | #005CB5 | 0.153 |
| Deuteranopia (no green cones) | #295FAE | 0.139 |
| Tritanopia (no blue cones) | #7A5672 | 0.126 |
| Achromatopsia (no color) | #5E5E5E | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813EB1
#813EB1
oklch(50.5% 0.179 308)
- #4E7200
#4E7200
oklch(50.5% 0.132 128.2)
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 #813EB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.045
- Dark Orchid #9932CC ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.068
- Rebecca Purple #663399 ΔE 0.068
- Warm Purple #952E8F ΔE 0.070
- Deep Lavender #8D5EB7 ΔE 0.076
- Grape #7209B7 ΔE 0.077
- Light Eggplant #894585 ΔE 0.077
Use #813EB1 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.