#582A73
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.125 310.9), rgb(88, 42, 115).
Aa
White text reads best on this color (10.53:1).
About this color
#582A73 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.125 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.063 away. White text reads best on it, at 10.53:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.99:1 |
| White text | 10.53:1 |
Values
| HEX | #582A73 |
| RGB | rgb(88, 42, 115) |
| HSL | hsl(278, 46%, 31%) |
| OKLCH | oklch(38.3% 0.125 310.9) |
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 #582A73 | 10.53:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #582A73 | 1.99:1 | Fails | Lc 9.9 | Not readable |
| #582A73 text on white | 10.53:1 | AAA | Lc 94.0 | Preferred for body text |
| #582A73 text on black | 1.99:1 | Fails | Lc -8.6 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#F0E5F8
oklch(93.6% 0.028 311.3)
-
Step 200
200
#E4D0F3
oklch(88.5% 0.052 310.8)
-
Step 300
300
#D4B0EE
oklch(81% 0.094 310.7)
-
Step 400
400
#BE83E5
oklch(70.6% 0.151 310.8)
-
Step 500
500
#AE60DD
oklch(63.1% 0.192 310.9)
-
Step 600
600
#9A41CB
oklch(55.7% 0.209 311)
-
Step 700
700
#8331AF
oklch(49% 0.194 311)
-
Step 800
800
#6A2B8E
oklch(42.7% 0.16 310.6)
-
Step 900
900 (this color)
#582A73
oklch(38.3% 0.125 310.9)
-
Step 950
950
#331942
oklch(27.1% 0.078 311.5)
#582A73 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) | #0D3D75 | 0.111 |
| Deuteranopia (no green cones) | #234071 | 0.098 |
| Tritanopia (no blue cones) | #55384A | 0.087 |
| Achromatopsia (no color) | #3F3F3F | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582A73
#582A73
oklch(38.3% 0.125 310.9)
- #2E4D00
#2E4D00
oklch(38.1% 0.104 131)
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 #582A73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.063
- Grape Purple #5D1451 ΔE 0.068
- Rebecca Purple #663399 ΔE 0.070
- Royal Purple #4B006E ΔE 0.073
- Indigo #4B0082 ΔE 0.073
- Blueberry #464196 ΔE 0.081
- Rich Purple #720058 ΔE 0.083
- Plum Purple #4E0550 ΔE 0.088
Use #582A73 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.