#582580
Closest named color: Rebecca Purple (#663399). oklch(38.5% 0.148 306.3), rgb(88, 37, 128).
Aa
White text reads best on this color (10.54:1).
About this color
#582580 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.148 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.057 away. White text reads best on it, at 10.54:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #582580 |
| RGB | rgb(88, 37, 128) |
| HSL | hsl(274, 55%, 32%) |
| OKLCH | oklch(38.5% 0.148 306.3) |
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 #582580 | 10.54:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #582580 | 1.99:1 | Fails | Lc 10.1 | Not readable |
| #582580 text on white | 10.54:1 | AAA | Lc 93.8 | Preferred for body text |
| #582580 text on black | 1.99:1 | Fails | Lc -8.7 | Not readable |
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 900.
-
Step 50
50
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#EFE5FB
oklch(93.6% 0.031 306.2)
-
Step 200
200
#E3CFFA
oklch(88.4% 0.062 306.2)
-
Step 300
300
#D3AEF9
oklch(80.9% 0.11 306.6)
-
Step 400
400
#BD7FF6
oklch(70.8% 0.177 306.5)
-
Step 500
500
#AD57F2
oklch(63.2% 0.226 306.5)
-
Step 600
600
#9832E1
oklch(55.6% 0.246 306.1)
-
Step 700
700
#8221C3
oklch(49.1% 0.228 306.2)
-
Step 800
800
#6A209E
oklch(42.8% 0.189 306.3)
-
Step 900
900 (this color)
#582580
oklch(38.5% 0.148 306.3)
-
Step 950
950
#321649
oklch(27% 0.093 306.4)
#582580 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) | #003D83 | 0.118 |
| Deuteranopia (no green cones) | #083F7E | 0.117 |
| Tritanopia (no blue cones) | #51394F | 0.105 |
| Achromatopsia (no color) | #3F3F3F | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582580
#582580
oklch(38.5% 0.148 306.3)
- #364C00
#364C00
oklch(38.4% 0.098 126.2)
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 #582580, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.057
- Indigo #4B0082 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.060
- Royal Purple #4B006E ΔE 0.068
- Blueberry #464196 ΔE 0.075
- Chrysanthemum #560BAD ΔE 0.079
- Imperial Purple #480CA8 ΔE 0.083
- Grape Purple #5D1451 ΔE 0.084
Use #582580 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.