#582C7D
Closest named color: Dark Slate Blue (#483D8B). oklch(39.3% 0.134 306.2), rgb(88, 44, 125).
Aa
White text reads best on this color (10.13:1).
About this color
#582C7D is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.134 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.051 away. White text reads best on it, at 10.13:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.13:1 |
Values
| HEX | #582C7D |
| RGB | rgb(88, 44, 125) |
| HSL | hsl(273, 48%, 33%) |
| OKLCH | oklch(39.3% 0.134 306.2) |
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 #582C7D | 10.13:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #582C7D | 2.07:1 | Fails | Lc 10.9 | Not readable |
| #582C7D text on white | 10.13:1 | AAA | Lc 93.1 | Preferred for body text |
| #582C7D text on black | 2.07:1 | Fails | Lc -9.4 | 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 900.
-
Step 50
50
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#EFE5FA
oklch(93.6% 0.03 307.1)
-
Step 200
200
#E2D0F7
oklch(88.4% 0.056 306.1)
-
Step 300
300
#D1B0F4
oklch(80.9% 0.1 306.4)
-
Step 400
400
#BA83EF
oklch(70.7% 0.161 306.2)
-
Step 500
500
#A95EE9
oklch(63% 0.206 306.2)
-
Step 600
600
#953ED7
oklch(55.6% 0.223 306.3)
-
Step 700
700
#7F2EBB
oklch(49.1% 0.208 306.1)
-
Step 800
800
#672997
oklch(42.7% 0.172 306.1)
-
Step 900
900 (this color)
#582C7D
oklch(39.3% 0.134 306.2)
-
Step 950
950
#311846
oklch(26.9% 0.085 306.6)
#582C7D 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) | #004080 | 0.113 |
| Deuteranopia (no green cones) | #1B427B | 0.101 |
| Tritanopia (no blue cones) | #523D50 | 0.097 |
| Achromatopsia (no color) | #414141 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582C7D
#582C7D
oklch(39.3% 0.134 306.2)
- #384F00
#384F00
oklch(39.4% 0.101 126.4)
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 #582C7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Rebecca Purple #663399 ΔE 0.055
- Blueberry #464196 ΔE 0.067
- Indigo #4B0082 ΔE 0.071
- Royal Purple #4B006E ΔE 0.079
- Grape Purple #5D1451 ΔE 0.084
- Chrysanthemum #560BAD ΔE 0.089
- Purple #800080 ΔE 0.090
Use #582C7D 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.