#582F8F
Closest named color: Rebecca Purple (#663399). oklch(41.1% 0.151 299.2), rgb(88, 47, 143).
Aa
White text reads best on this color (9.46:1).
About this color
#582F8F is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.151 and its hue 299°. 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 9.46:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.21:1 |
| White text | 9.46:1 |
Values
| HEX | #582F8F |
| RGB | rgb(88, 47, 143) |
| HSL | hsl(266, 51%, 37%) |
| OKLCH | oklch(41.1% 0.151 299.2) |
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 #582F8F | 9.46:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #582F8F | 2.21:1 | Fails | Lc 12.6 | Not readable |
| #582F8F text on white | 9.46:1 | AAA | Lc 91.4 | Preferred for body text |
| #582F8F text on black | 2.21:1 | 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
#ECE6F9
oklch(93.5% 0.026 300.3)
-
Step 200
200
#DDD3F6
oklch(88.6% 0.049 298.5)
-
Step 300
300
#C8B4F2
oklch(80.8% 0.089 299.2)
-
Step 400
400
#AD8BEC
oklch(70.7% 0.142 298.9)
-
Step 500
500
#9A6AE5
oklch(63% 0.181 299.2)
-
Step 600
600
#864ED3
oklch(55.6% 0.196 299.3)
-
Step 700
700
#723EB7
oklch(49.2% 0.182 299.3)
-
Step 800
800 (this color)
#582F8F
oklch(41.1% 0.151 299.2)
-
Step 900
900
#4B2F76
oklch(37.7% 0.117 298.8)
-
Step 950
950
#2C1C45
oklch(26.9% 0.075 299.4)
#582F8F 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) | #004692 | 0.107 |
| Deuteranopia (no green cones) | #00458D | 0.108 |
| Tritanopia (no blue cones) | #4B455B | 0.114 |
| Achromatopsia (no color) | #464646 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582F8F
#582F8F
oklch(41.1% 0.151 299.2)
- #455100
#455100
oklch(41% 0.096 119)
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 #582F8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.050
- Chrysanthemum #560BAD ΔE 0.066
- Imperial Purple #480CA8 ΔE 0.073
- Indigo #4B0082 ΔE 0.077
- Twilight #4E518B ΔE 0.086
- Grape #7209B7 ΔE 0.086
Use #582F8F 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.