#582C8C
Closest named color: Rebecca Purple (#663399). oklch(40.4% 0.152 300.8), rgb(88, 44, 140).
Aa
White text reads best on this color (9.74:1).
About this color
#582C8C is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.152 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.038 away. White text reads best on it, at 9.74:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #582C8C |
| RGB | rgb(88, 44, 140) |
| HSL | hsl(267, 52%, 36%) |
| OKLCH | oklch(40.4% 0.152 300.8) |
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 #582C8C | 9.74:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #582C8C | 2.15:1 | Fails | Lc 11.9 | Not readable |
| #582C8C text on white | 9.74:1 | AAA | Lc 92.0 | Preferred for body text |
| #582C8C text on black | 2.15:1 | Fails | Lc -10.4 | 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 800.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#ECE6F9
oklch(93.5% 0.026 300.3)
-
Step 200
200
#DED2F5
oklch(88.4% 0.049 301)
-
Step 300
300
#CAB4F2
oklch(81% 0.089 300.7)
-
Step 400
400
#B08AEB
oklch(70.7% 0.142 300.9)
-
Step 500
500
#9D69E4
oklch(63.1% 0.181 300.8)
-
Step 600
600
#894DD2
oklch(55.7% 0.197 300.9)
-
Step 700
700
#743CB6
oklch(49% 0.184 300.8)
-
Step 800
800 (this color)
#582C8C
oklch(40.4% 0.152 300.8)
-
Step 900
900
#4D2E75
oklch(37.7% 0.118 301)
-
Step 950
950
#2D1C45
oklch(27.1% 0.075 300.6)
#582C8C 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) | #00448F | 0.110 |
| Deuteranopia (no green cones) | #00438A | 0.111 |
| Tritanopia (no blue cones) | #4D4258 | 0.113 |
| Achromatopsia (no color) | #444444 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582C8C
#582C8C
oklch(40.4% 0.152 300.8)
- #425000
#425000
oklch(40.5% 0.097 120.5)
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 #582C8C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.046
- Blueberry #464196 ΔE 0.056
- Chrysanthemum #560BAD ΔE 0.067
- Indigo #4B0082 ΔE 0.071
- Imperial Purple #480CA8 ΔE 0.073
- Grape #7209B7 ΔE 0.088
- Royal Purple #4B006E ΔE 0.089
Use #582C8C 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.