#582B97
Closest named color: Rebecca Purple (#663399). oklch(41.2% 0.166 297.6), rgb(88, 43, 151).
Aa
White text reads best on this color (9.51:1).
About this color
#582B97 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.166 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.034 away. White text reads best on it, at 9.51:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.20:1 |
| White text | 9.51:1 |
Values
| HEX | #582B97 |
| RGB | rgb(88, 43, 151) |
| HSL | hsl(265, 56%, 38%) |
| OKLCH | oklch(41.2% 0.166 297.6) |
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 #582B97 | 9.51:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #582B97 | 2.20:1 | Fails | Lc 12.6 | Not readable |
| #582B97 text on white | 9.51:1 | AAA | Lc 91.3 | Preferred for body text |
| #582B97 text on black | 2.20:1 | Fails | Lc -11.0 | 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 800.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FB
oklch(93.6% 0.029 298.9)
-
Step 200
200
#DDD2F9
oklch(88.5% 0.054 298.2)
-
Step 300
300
#C7B3F8
oklch(80.8% 0.098 297.5)
-
Step 400
400
#AD89F4
oklch(70.8% 0.155 297.8)
-
Step 500
500
#9A67F0
oklch(63.2% 0.198 297.6)
-
Step 600
600
#8648DE
oklch(55.6% 0.216 297.9)
-
Step 700
700
#7138C1
oklch(49.1% 0.201 297.4)
-
Step 800
800 (this color)
#582B97
oklch(41.2% 0.166 297.6)
-
Step 900
900
#4B2C7C
oklch(37.6% 0.13 297.6)
-
Step 950
950
#2C1B49
oklch(27.1% 0.083 297.7)
#582B97 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) | #00469A | 0.109 |
| Deuteranopia (no green cones) | #004495 | 0.109 |
| Tritanopia (no blue cones) | #48465E | 0.127 |
| Achromatopsia (no color) | #454545 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582B97
#582B97
oklch(41.2% 0.166 297.6)
- #475100
#475100
oklch(41.2% 0.095 117.6)
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 #582B97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.051
- Chrysanthemum #560BAD ΔE 0.051
- Blueberry #464196 ΔE 0.055
- Imperial Purple #480CA8 ΔE 0.060
- Grape #7209B7 ΔE 0.075
- Indigo #4B0082 ΔE 0.075
- Indigo Blue #3A18B1 ΔE 0.080
Use #582B97 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.