#582D9D
Closest named color: Rebecca Purple (#663399). oklch(41.9% 0.171 295.7), rgb(88, 45, 157).
Aa
White text reads best on this color (9.22:1).
About this color
#582D9D is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.171 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.032 away. White text reads best on it, at 9.22:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #582D9D |
| RGB | rgb(88, 45, 157) |
| HSL | hsl(263, 55%, 40%) |
| OKLCH | oklch(41.9% 0.171 295.7) |
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 #582D9D | 9.22:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #582D9D | 2.27:1 | Fails | Lc 13.4 | Not readable |
| #582D9D text on white | 9.22:1 | AAA | Lc 90.6 | Preferred for body text |
| #582D9D text on black | 2.27:1 | Fails | Lc -11.7 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DCD2FA
oklch(88.4% 0.055 296.7)
-
Step 300
300
#C6B4FA
oklch(81% 0.099 295.9)
-
Step 400
400
#AA89F8
oklch(70.7% 0.16 295.7)
-
Step 500
500
#9766F4
oklch(63% 0.204 295.9)
-
Step 600
600
#8348E3
oklch(55.6% 0.221 295.8)
-
Step 700
700
#6F37C5
oklch(49% 0.206 295.8)
-
Step 800
800 (this color)
#582D9D
oklch(41.9% 0.171 295.7)
-
Step 900
900
#492C7F
oklch(37.6% 0.134 295.3)
-
Step 950
950
#2B1B4A
oklch(27% 0.084 296)
#582D9D 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) | #0048A0 | 0.106 |
| Deuteranopia (no green cones) | #00469B | 0.106 |
| Tritanopia (no blue cones) | #454962 | 0.132 |
| Achromatopsia (no color) | #474747 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582D9D
#582D9D
oklch(41.9% 0.171 295.7)
- #4B5300
#4B5300
oklch(42.1% 0.096 116)
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 #582D9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.032
- Chrysanthemum #560BAD ΔE 0.048
- Blueberry #464196 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.052
- Imperial Purple #480CA8 ΔE 0.059
- Grape #7209B7 ΔE 0.070
- Blue With A Hint Of Purple #533CC6 ΔE 0.073
- Indigo Blue #3A18B1 ΔE 0.076
Use #582D9D 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.