#582D82
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.139 304), rgb(88, 45, 130).
Aa
White text reads best on this color (9.94:1).
About this color
#582D82 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.139 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.046 away. White text reads best on it, at 9.94:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.11:1 |
| White text | 9.94:1 |
Values
| HEX | #582D82 |
| RGB | rgb(88, 45, 130) |
| HSL | hsl(270, 49%, 34%) |
| OKLCH | oklch(39.8% 0.139 304) |
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 #582D82 | 9.94:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #582D82 | 2.11:1 | Fails | Lc 11.4 | Not readable |
| #582D82 text on white | 9.94:1 | AAA | Lc 92.6 | Preferred for body text |
| #582D82 text on black | 2.11:1 | Fails | Lc -9.9 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FB
oklch(93.5% 0.031 304.3)
-
Step 200
200
#E1D0F9
oklch(88.4% 0.058 304)
-
Step 300
300
#CFB0F7
oklch(80.9% 0.103 304.2)
-
Step 400
400
#B883F4
oklch(70.8% 0.167 304.1)
-
Step 500
500
#A75EEF
oklch(63.2% 0.212 304.2)
-
Step 600
600
#923DDD
oklch(55.6% 0.23 303.9)
-
Step 700
700
#7D2CC0
oklch(49.1% 0.215 304.2)
-
Step 800
800
#65279B
oklch(42.6% 0.178 304)
-
Step 900
900 (this color)
#582D82
oklch(39.8% 0.139 304)
-
Step 950
950
#301848
oklch(26.9% 0.087 304.2)
#582D82 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) | #004285 | 0.111 |
| Deuteranopia (no green cones) | #154380 | 0.104 |
| Tritanopia (no blue cones) | #503F53 | 0.101 |
| Achromatopsia (no color) | #434343 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582D82
#582D82
oklch(39.8% 0.139 304)
- #3C4F00
#3C4F00
oklch(39.7% 0.098 124)
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 #582D82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Rebecca Purple #663399 ΔE 0.048
- Blueberry #464196 ΔE 0.061
- Indigo #4B0082 ΔE 0.072
- Chrysanthemum #560BAD ΔE 0.082
- Royal Purple #4B006E ΔE 0.083
- Imperial Purple #480CA8 ΔE 0.086
- Twilight #4E518B ΔE 0.090
Use #582D82 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.