#813AB5
Closest named color: Purply (#983FB2). oklch(50.2% 0.189 307.4), rgb(129, 58, 181).
Aa
White text reads best on this color (6.55:1).
About this color
#813AB5 is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.189 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.048 away. White text reads best on it, at 6.55:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.20:1 |
| White text | 6.55:1 |
Values
| HEX | #813AB5 |
| RGB | rgb(129, 58, 181) |
| HSL | hsl(275, 51%, 47%) |
| OKLCH | oklch(50.2% 0.189 307.4) |
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 #813AB5 | 6.55:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #813AB5 | 3.20:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #813AB5 text on white | 6.55:1 | AA | Lc 81.8 | Fine for body text |
| #813AB5 text on black | 3.20:1 | AA large text | Lc -20.1 | 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
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E2D1F4
oklch(88.5% 0.051 307.2)
-
Step 300
300
#D0B1EF
oklch(80.8% 0.092 307.2)
-
Step 400
400
#B986E7
oklch(70.7% 0.146 307.3)
-
Step 500
500
#A864DF
oklch(63.2% 0.186 307.4)
-
Step 600
600
#9346CD
oklch(55.6% 0.203 307.2)
-
Step 700
700 (this color)
#813AB5
oklch(50.2% 0.189 307.4)
-
Step 800
800
#662E8F
oklch(42.6% 0.156 307.6)
-
Step 900
900
#532B73
oklch(37.8% 0.122 307.1)
-
Step 950
950
#311A43
oklch(27.1% 0.077 308)
#813AB5 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) | #005BB9 | 0.156 |
| Deuteranopia (no green cones) | #1C5EB2 | 0.149 |
| Tritanopia (no blue cones) | #795573 | 0.133 |
| Achromatopsia (no color) | #5D5D5D | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813AB5
#813AB5
oklch(50.2% 0.189 307.4)
- #4F7100
#4F7100
oklch(50.3% 0.131 127.5)
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 #813AB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.048
- Dark Orchid #9932CC ΔE 0.057
- Bluey Purple #6241C7 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.069
- Grape #7209B7 ΔE 0.069
- Blue Violet #8A2BE2 ΔE 0.073
- Dark Violet #9400D3 ΔE 0.074
- Warm Purple #952E8F ΔE 0.074
Use #813AB5 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.