#582C7B
Closest named color: Dark Slate Blue (#483D8B). oklch(39.1% 0.132 307), rgb(88, 44, 123).
Aa
White text reads best on this color (10.18:1).
About this color
#582C7B is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.132 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.052 away. White text reads best on it, at 10.18:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.18:1 |
Values
| HEX | #582C7B |
| RGB | rgb(88, 44, 123) |
| HSL | hsl(273, 47%, 33%) |
| OKLCH | oklch(39.1% 0.132 307) |
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 #582C7B | 10.18:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #582C7B | 2.06:1 | Fails | Lc 10.7 | Not readable |
| #582C7B text on white | 10.18:1 | AAA | Lc 93.2 | Preferred for body text |
| #582C7B text on black | 2.06:1 | Fails | Lc -9.3 | 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
#EFE5F9
oklch(93.6% 0.029 308.1)
-
Step 200
200
#E2D0F6
oklch(88.4% 0.055 306.7)
-
Step 300
300
#D1B0F3
oklch(80.9% 0.099 306.8)
-
Step 400
400
#BA83ED
oklch(70.6% 0.159 306.7)
-
Step 500
500
#AA5FE6
oklch(63.1% 0.201 307.2)
-
Step 600
600
#953FD4
oklch(55.5% 0.219 307)
-
Step 700
700
#7F2FB8
oklch(49% 0.204 306.8)
-
Step 800
800
#682995
oklch(42.7% 0.17 307.3)
-
Step 900
900 (this color)
#582C7B
oklch(39.1% 0.132 307)
-
Step 950
950
#311946
oklch(27.1% 0.083 306.2)
#582C7B 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) | #03407D | 0.113 |
| Deuteranopia (no green cones) | #1D4179 | 0.100 |
| Tritanopia (no blue cones) | #523C4F | 0.094 |
| Achromatopsia (no color) | #414141 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582C7B
#582C7B
oklch(39.1% 0.132 307)
- #374E00
#374E00
oklch(39% 0.1 126.5)
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 #582C7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.052
- Rebecca Purple #663399 ΔE 0.058
- Blueberry #464196 ΔE 0.069
- Indigo #4B0082 ΔE 0.072
- Royal Purple #4B006E ΔE 0.078
- Grape Purple #5D1451 ΔE 0.081
- Purple #800080 ΔE 0.091
- Chrysanthemum #560BAD ΔE 0.092
Use #582C7B 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.