#582C9B
Closest named color: Rebecca Purple (#663399). oklch(41.6% 0.17 296.4), rgb(88, 44, 155).
Aa
White text reads best on this color (9.33:1).
About this color
#582C9B is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.170 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 0.033 away. White text reads best on it, at 9.33:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #582C9B |
| RGB | rgb(88, 44, 155) |
| HSL | hsl(264, 56%, 39%) |
| OKLCH | oklch(41.6% 0.17 296.4) |
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 #582C9B | 9.33:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #582C9B | 2.24:1 | Fails | Lc 13.1 | Not readable |
| #582C9B text on white | 9.33:1 | AAA | Lc 90.9 | Preferred for body text |
| #582C9B text on black | 2.24:1 | Fails | Lc -11.4 | 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
#EBE6FB
oklch(93.5% 0.029 296.7)
-
Step 200
200
#DCD2FA
oklch(88.4% 0.055 296.7)
-
Step 300
300
#C6B4FA
oklch(81% 0.099 295.9)
-
Step 400
400
#AB89F7
oklch(70.7% 0.159 296.4)
-
Step 500
500
#9866F3
oklch(63.1% 0.203 296.5)
-
Step 600
600
#8448E2
oklch(55.7% 0.22 296.4)
-
Step 700
700
#7037C4
oklch(49.1% 0.205 296.5)
-
Step 800
800 (this color)
#582C9B
oklch(41.6% 0.17 296.4)
-
Step 900
900
#4A2C7E
oklch(37.7% 0.132 296.3)
-
Step 950
950
#2B1B4A
oklch(27% 0.084 296)
#582C9B 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) | #00479E | 0.107 |
| Deuteranopia (no green cones) | #004599 | 0.107 |
| Tritanopia (no blue cones) | #464860 | 0.131 |
| Achromatopsia (no color) | #474747 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582C9B
#582C9B
oklch(41.6% 0.17 296.4)
- #495200
#495200
oklch(41.6% 0.096 116.8)
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 #582C9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Chrysanthemum #560BAD ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.052
- Blueberry #464196 ΔE 0.053
- Imperial Purple #480CA8 ΔE 0.059
- Grape #7209B7 ΔE 0.071
- Indigo Blue #3A18B1 ΔE 0.077
- Blue With A Hint Of Purple #533CC6 ΔE 0.077
Use #582C9B 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.