#813EB3
Closest named color: Purply (#983FB2). oklch(50.6% 0.181 307.4), rgb(129, 62, 179).
Aa
White text reads best on this color (6.41:1).
About this color
#813EB3 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.181 and its hue 307°. 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 6.41:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.27:1 |
| White text | 6.41:1 |
Values
| HEX | #813EB3 |
| RGB | rgb(129, 62, 179) |
| HSL | hsl(274, 49%, 47%) |
| OKLCH | oklch(50.6% 0.181 307.4) |
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 #813EB3 | 6.41:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #813EB3 | 3.27:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #813EB3 text on white | 6.41:1 | AA | Lc 81.3 | Fine for body text |
| #813EB3 text on black | 3.27:1 | AA large text | Lc -20.6 | 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 700.
-
Step 50
50
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E2D1F3
oklch(88.5% 0.049 307.8)
-
Step 300
300
#D0B2ED
oklch(80.9% 0.088 307.6)
-
Step 400
400
#B887E4
oklch(70.6% 0.141 307.4)
-
Step 500
500
#A766DC
oklch(63.2% 0.179 307.5)
-
Step 600
600
#9249C9
oklch(55.5% 0.194 307.5)
-
Step 700
700 (this color)
#813EB3
oklch(50.6% 0.181 307.4)
-
Step 800
800
#65308D
oklch(42.6% 0.151 307.4)
-
Step 900
900
#522C71
oklch(37.7% 0.117 307.1)
-
Step 950
950
#301B42
oklch(27% 0.073 307)
#813EB3 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) | #005CB7 | 0.153 |
| Deuteranopia (no green cones) | #265FB0 | 0.141 |
| Tritanopia (no blue cones) | #795673 | 0.127 |
| Achromatopsia (no color) | #5F5F5F | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813EB3
#813EB3
oklch(50.6% 0.181 307.4)
- #507200
#507200
oklch(50.7% 0.131 127.4)
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 #813EB3, 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 0.060
- Bluey Purple #6241C7 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.070
- Warm Purple #952E8F ΔE 0.072
- Deep Lavender #8D5EB7 ΔE 0.076
- Iris #6258C4 ΔE 0.077
- Grape #7209B7 ΔE 0.077
Use #813EB3 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.