#582A8E
Closest named color: Rebecca Purple (#663399). oklch(40.3% 0.157 300.5), rgb(88, 42, 142).
Aa
White text reads best on this color (9.82:1).
About this color
#582A8E is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.157 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.038 away. White text reads best on it, at 9.82:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.13:1 |
| White text | 9.82:1 |
Values
| HEX | #582A8E |
| RGB | rgb(88, 42, 142) |
| HSL | hsl(268, 54%, 36%) |
| OKLCH | oklch(40.3% 0.157 300.5) |
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 #582A8E | 9.82:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #582A8E | 2.13:1 | Fails | Lc 11.8 | Not readable |
| #582A8E text on white | 9.82:1 | AAA | Lc 92.2 | Preferred for body text |
| #582A8E text on black | 2.13:1 | Fails | Lc -10.3 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#ECE6F9
oklch(93.5% 0.026 300.3)
-
Step 200
200
#DED2F6
oklch(88.5% 0.051 300.6)
-
Step 300
300
#CAB3F3
oklch(80.8% 0.092 300.8)
-
Step 400
400
#B089ED
oklch(70.7% 0.147 300.7)
-
Step 500
500
#9D68E7
oklch(63.1% 0.186 300.4)
-
Step 600
600
#894BD5
oklch(55.6% 0.203 300.6)
-
Step 700
700
#743AB9
oklch(49% 0.19 300.4)
-
Step 800
800 (this color)
#582A8E
oklch(40.3% 0.157 300.5)
-
Step 900
900
#4D2D77
oklch(37.6% 0.122 300.6)
-
Step 950
950
#2D1B46
oklch(27% 0.078 300.6)
#582A8E 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) | #004391 | 0.111 |
| Deuteranopia (no green cones) | #00438C | 0.112 |
| Tritanopia (no blue cones) | #4C4258 | 0.119 |
| Achromatopsia (no color) | #434343 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582A8E
#582A8E
oklch(40.3% 0.157 300.5)
- #424F00
#424F00
oklch(40.2% 0.095 119.9)
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 #582A8E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.049
- Blueberry #464196 ΔE 0.058
- Chrysanthemum #560BAD ΔE 0.062
- Indigo #4B0082 ΔE 0.068
- Imperial Purple #480CA8 ΔE 0.068
- Grape #7209B7 ΔE 0.084
- Royal Purple #4B006E ΔE 0.087
Use #582A8E 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.