#582575
Closest named color: Indigo (#4B0082). oklch(37.7% 0.135 310.9), rgb(88, 37, 117).
Aa
White text reads best on this color (10.84:1).
About this color
#582575 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.135 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.063 away. White text reads best on it, at 10.84:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.93:1 |
| White text | 10.84:1 |
Values
| HEX | #582575 |
| RGB | rgb(88, 37, 117) |
| HSL | hsl(278, 52%, 30%) |
| OKLCH | oklch(37.7% 0.135 310.9) |
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 #582575 | 10.84:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #582575 | 1.93:1 | Fails | Lc 9.4 | Not readable |
| #582575 text on white | 10.84:1 | AAA | Lc 94.5 | Preferred for body text |
| #582575 text on black | 1.93:1 | Fails | Lc -8.1 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#F0E5F9
oklch(93.6% 0.029 310.1)
-
Step 200
200
#E5CFF5
oklch(88.4% 0.056 311)
-
Step 300
300
#D6AEF1
oklch(80.9% 0.102 311.3)
-
Step 400
400
#C180EA
oklch(70.7% 0.162 311.1)
-
Step 500
500
#B15AE4
oklch(63.1% 0.209 310.9)
-
Step 600
600
#9C39D1
oklch(55.5% 0.225 310.8)
-
Step 700
700
#8629B5
oklch(49.1% 0.21 311.1)
-
Step 800
800
#6D2593
oklch(42.8% 0.174 311)
-
Step 900
900 (this color)
#582575
oklch(37.7% 0.135 310.9)
-
Step 950
950
#341745
oklch(27.1% 0.086 311)
#582575 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) | #003B77 | 0.121 |
| Deuteranopia (no green cones) | #1B3E73 | 0.109 |
| Tritanopia (no blue cones) | #543549 | 0.093 |
| Achromatopsia (no color) | #3D3D3D | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582575
#582575
oklch(37.7% 0.135 310.9)
- #2D4C00
#2D4C00
oklch(37.8% 0.103 131.1)
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 #582575, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.063
- Royal Purple #4B006E ΔE 0.064
- Grape Purple #5D1451 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.068
- Rebecca Purple #663399 ΔE 0.071
- Rich Purple #720058 ΔE 0.082
- Plum Purple #4E0550 ΔE 0.083
- Blueberry #464196 ΔE 0.085
Use #582575 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.