#582F6F
Closest named color: Dark Slate Blue (#483D8B). oklch(38.8% 0.112 311.9), rgb(88, 47, 111).
Aa
White text reads best on this color (10.23:1).
About this color
#582F6F is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.112 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.061 away. White text reads best on it, at 10.23:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.05:1 |
| White text | 10.23:1 |
Values
| HEX | #582F6F |
| RGB | rgb(88, 47, 111) |
| HSL | hsl(278, 41%, 31%) |
| OKLCH | oklch(38.8% 0.112 311.9) |
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 #582F6F | 10.23:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #582F6F | 2.05:1 | Fails | Lc 10.5 | Not readable |
| #582F6F text on white | 10.23:1 | AAA | Lc 93.4 | Preferred for body text |
| #582F6F text on black | 2.05:1 | Fails | Lc -9.1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E4D1F0
oklch(88.6% 0.047 312.5)
-
Step 300
300
#D3B1E9
oklch(80.9% 0.085 311.9)
-
Step 400
400
#BC87DD
oklch(70.7% 0.134 311.6)
-
Step 500
500
#AC65D3
oklch(63.1% 0.172 312.2)
-
Step 600
600
#9749C1
oklch(55.6% 0.187 311.8)
-
Step 700
700
#8139A6
oklch(49.1% 0.174 312.1)
-
Step 800
800
#693087
oklch(42.7% 0.145 312)
-
Step 900
900 (this color)
#582F6F
oklch(38.8% 0.112 311.9)
-
Step 950
950
#321B3F
oklch(27.1% 0.07 312.1)
#582F6F 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) | #1D3F71 | 0.096 |
| Deuteranopia (no green cones) | #2B426D | 0.086 |
| Tritanopia (no blue cones) | #553A4A | 0.077 |
| Achromatopsia (no color) | #414141 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582F6F
#582F6F
oklch(38.8% 0.112 311.9)
- #2E4F00
#2E4F00
oklch(38.7% 0.107 131.6)
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 #582F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.061
- Grape Purple #5D1451 ΔE 0.069
- Rebecca Purple #663399 ΔE 0.074
- Blueberry #464196 ΔE 0.079
- Royal Purple #4B006E ΔE 0.085
- Rich Purple #720058 ΔE 0.085
- Indigo #4B0082 ΔE 0.087
- Velvet #750851 ΔE 0.089
Use #582F6F 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.