#813FCB
Closest named color: Blue Violet (#8A2BE2). oklch(52.5% 0.206 301.1), rgb(129, 63, 203).
Aa
White text reads best on this color (5.98:1).
About this color
#813FCB is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.206 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blue Violet (#8A2BE2), ΔE 0.046 away. White text reads best on it, at 5.98:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.206) |
| Temperature | in between |
| Nearest name | Blue Violet (#8A2BE2) |
| Black text | 3.50:1 |
| White text | 5.98:1 |
Values
| HEX | #813FCB |
| RGB | rgb(129, 63, 203) |
| HSL | hsl(268, 57%, 52%) |
| OKLCH | oklch(52.5% 0.206 301.1) |
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 #813FCB | 5.98:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #813FCB | 3.50:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #813FCB text on white | 5.98:1 | AA | Lc 79.2 | Fine for body text |
| #813FCB text on black | 3.50:1 | AA large text | Lc -22.6 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DFD2F6
oklch(88.5% 0.051 301.8)
-
Step 300
300
#CBB3F3
oklch(80.9% 0.092 301.5)
-
Step 400
400
#B189EE
oklch(70.8% 0.148 301)
-
Step 500
500
#9F67E8
oklch(63.2% 0.189 301.2)
-
Step 600
600 (this color)
#813FCB
oklch(52.5% 0.206 301.1)
-
Step 700
700
#7539B9
oklch(49% 0.191 301)
-
Step 800
800
#5F3196
oklch(42.7% 0.158 300.8)
-
Step 900
900
#4E2D77
oklch(37.8% 0.122 301.3)
-
Step 950
950
#2D1B46
oklch(27% 0.078 300.6)
#813FCB 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) | #0063CF | 0.148 |
| Deuteranopia (no green cones) | #0062C8 | 0.149 |
| Tritanopia (no blue cones) | #716080 | 0.153 |
| Achromatopsia (no color) | #636363 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813FCB
#813FCB
oklch(52.5% 0.206 301.1)
- #607400
#607400
oklch(52.4% 0.125 120.9)
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 #813FCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Violet #8A2BE2 ΔE 0.046
- Dark Orchid #9932CC ΔE 0.048
- Bluey Purple #6241C7 ΔE 0.056
- Purpley #8756E4 ΔE 0.059
- Purply #983FB2 ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.062
- Slate Blue #6A5ACD ΔE 0.064
- Dark Violet #9400D3 ΔE 0.066
Use #813FCB 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.