#582F6C
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.108 313.4), rgb(88, 47, 108).
Aa
White text reads best on this color (10.30:1).
About this color
#582F6C is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.108 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.064 away. White text reads best on it, at 10.30:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.03:1 |
| White text | 10.30:1 |
Values
| HEX | #582F6C |
| RGB | rgb(88, 47, 108) |
| HSL | hsl(280, 39%, 30%) |
| OKLCH | oklch(38.6% 0.108 313.4) |
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 #582F6C | 10.30:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #582F6C | 2.03:1 | Fails | Lc 10.3 | Not readable |
| #582F6C text on white | 10.30:1 | AAA | Lc 93.6 | Preferred for body text |
| #582F6C text on black | 2.03:1 | Fails | Lc -8.9 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E6F5
oklch(93.7% 0.023 314.7)
-
Step 200
200
#E4D1EF
oklch(88.5% 0.045 313.3)
-
Step 300
300
#D3B2E6
oklch(80.9% 0.08 313)
-
Step 400
400
#BD87DA
oklch(70.7% 0.131 313.2)
-
Step 500
500
#AD66CF
oklch(63.1% 0.167 313.8)
-
Step 600
600
#984ABC
oklch(55.6% 0.181 313.6)
-
Step 700
700
#813BA2
oklch(49.1% 0.167 313.3)
-
Step 800
800
#693183
oklch(42.6% 0.139 313.6)
-
Step 900
900 (this color)
#582F6C
oklch(38.6% 0.108 313.4)
-
Step 950
950
#321B3E
oklch(27% 0.069 313)
#582F6C 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) | #1F3E6E | 0.095 |
| Deuteranopia (no green cones) | #2D416A | 0.083 |
| Tritanopia (no blue cones) | #563948 | 0.074 |
| Achromatopsia (no color) | #404040 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582F6C
#582F6C
oklch(38.6% 0.108 313.4)
- #2A4F02
#2A4F02
oklch(38.5% 0.108 133.5)
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 #582F6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.064
- Grape Purple #5D1451 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.079
- Blueberry #464196 ΔE 0.083
- Rich Purple #720058 ΔE 0.083
- Royal Purple #4B006E ΔE 0.086
- Velvet #750851 ΔE 0.087
- Indigo #4B0082 ΔE 0.090
Use #582F6C 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.