#813BB1
Closest named color: Purply (#983FB2). oklch(50.1% 0.183 308.4), rgb(129, 59, 177).
Aa
White text reads best on this color (6.57:1).
About this color
#813BB1 is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.183 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.046 away. White text reads best on it, at 6.57:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #813BB1 |
| RGB | rgb(129, 59, 177) |
| HSL | hsl(276, 50%, 46%) |
| OKLCH | oklch(50.1% 0.183 308.4) |
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 #813BB1 | 6.57:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #813BB1 | 3.19:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #813BB1 text on white | 6.57:1 | AA | Lc 81.9 | Fine for body text |
| #813BB1 text on black | 3.19:1 | AA large text | Lc -20.0 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE6F7
oklch(93.7% 0.025 309.4)
-
Step 200
200
#E2D1F3
oklch(88.5% 0.049 307.8)
-
Step 300
300
#D1B1ED
oklch(80.8% 0.09 308.7)
-
Step 400
400
#BA86E4
oklch(70.7% 0.143 308.6)
-
Step 500
500
#A865DC
oklch(63.1% 0.181 308.1)
-
Step 600
600
#9448C9
oklch(55.7% 0.196 308.4)
-
Step 700
700 (this color)
#813BB1
oklch(50.1% 0.183 308.4)
-
Step 800
800
#662F8D
oklch(42.6% 0.152 308.1)
-
Step 900
900
#532B70
oklch(37.6% 0.118 308.5)
-
Step 950
950
#311A42
oklch(27% 0.076 308.7)
#813BB1 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) | #005AB5 | 0.156 |
| Deuteranopia (no green cones) | #245EAE | 0.145 |
| Tritanopia (no blue cones) | #7A5471 | 0.128 |
| Achromatopsia (no color) | #5D5D5D | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813BB1
#813BB1
oklch(50.1% 0.183 308.4)
- #4C7100
#4C7100
oklch(50.1% 0.132 128.7)
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 #813BB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.046
- Dark Orchid #9932CC ΔE 0.061
- Rebecca Purple #663399 ΔE 0.066
- Bluey Purple #6241C7 ΔE 0.068
- Warm Purple #952E8F ΔE 0.069
- Grape #7209B7 ΔE 0.072
- Dark Violet #9400D3 ΔE 0.079
- Blue Violet #8A2BE2 ΔE 0.079
Use #813BB1 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.