#582E91
Closest named color: Rebecca Purple (#663399). oklch(41.1% 0.155 298.8), rgb(88, 46, 145).
Aa
White text reads best on this color (9.48:1).
About this color
#582E91 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.155 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 0.032 away. White text reads best on it, at 9.48:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.21:1 |
| White text | 9.48:1 |
Values
| HEX | #582E91 |
| RGB | rgb(88, 46, 145) |
| HSL | hsl(265, 52%, 37%) |
| OKLCH | oklch(41.1% 0.155 298.8) |
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 #582E91 | 9.48:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #582E91 | 2.21:1 | Fails | Lc 12.6 | Not readable |
| #582E91 text on white | 9.48:1 | AAA | Lc 91.4 | Preferred for body text |
| #582E91 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
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F7
oklch(88.4% 0.052 298.9)
-
Step 300
300
#C8B4F4
oklch(80.9% 0.091 298.7)
-
Step 400
400
#AD8AEE
oklch(70.6% 0.146 298.8)
-
Step 500
500
#9A69E8
oklch(63% 0.186 298.8)
-
Step 600
600
#864DD6
oklch(55.6% 0.201 298.8)
-
Step 700
700
#723CBA
oklch(49.1% 0.188 298.9)
-
Step 800
800 (this color)
#582E91
oklch(41.1% 0.155 298.8)
-
Step 900
900
#4B2E78
oklch(37.7% 0.122 298.4)
-
Step 950
950
#2C1C46
oklch(27% 0.076 298.8)
#582E91 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) | #004694 | 0.108 |
| Deuteranopia (no green cones) | #00458F | 0.108 |
| Tritanopia (no blue cones) | #4B455B | 0.118 |
| Achromatopsia (no color) | #464646 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582E91
#582E91
oklch(41.1% 0.155 298.8)
- #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 #582E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.032
- Dark Slate Blue #483D8B ΔE 0.044
- Blueberry #464196 ΔE 0.051
- Chrysanthemum #560BAD ΔE 0.062
- Imperial Purple #480CA8 ΔE 0.070
- Indigo #4B0082 ΔE 0.076
- Grape #7209B7 ΔE 0.083
- Indigo Blue #3A18B1 ΔE 0.088
Use #582E91 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.