#582B90
Closest named color: Rebecca Purple (#663399). oklch(40.6% 0.158 299.7), rgb(88, 43, 144).
Aa
White text reads best on this color (9.70:1).
About this color
#582B90 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.158 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.036 away. White text reads best on it, at 9.70:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #582B90 |
| RGB | rgb(88, 43, 144) |
| HSL | hsl(267, 54%, 37%) |
| OKLCH | oklch(40.6% 0.158 299.7) |
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 #582B90 | 9.70:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #582B90 | 2.16:1 | Fails | Lc 12.1 | Not readable |
| #582B90 text on white | 9.70:1 | AAA | Lc 91.9 | Preferred for body text |
| #582B90 text on black | 2.16:1 | Fails | Lc -10.5 | 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
#DED2F7
oklch(88.5% 0.052 300.1)
-
Step 300
300
#C9B4F4
oklch(81% 0.091 299.4)
-
Step 400
400
#AF89EE
oklch(70.6% 0.148 300)
-
Step 500
500
#9C68E9
oklch(63.1% 0.189 299.6)
-
Step 600
600
#884BD7
oklch(55.7% 0.205 299.7)
-
Step 700
700
#733ABA
oklch(49% 0.191 299.7)
-
Step 800
800 (this color)
#582B90
oklch(40.6% 0.158 299.7)
-
Step 900
900
#4C2D78
oklch(37.6% 0.123 299.5)
-
Step 950
950
#2D1B46
oklch(27% 0.078 300.6)
#582B90 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) | #004493 | 0.110 |
| Deuteranopia (no green cones) | #00438E | 0.111 |
| Tritanopia (no blue cones) | #4B435A | 0.119 |
| Achromatopsia (no color) | #444444 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582B90
#582B90
oklch(40.6% 0.158 299.7)
- #435000
#435000
oklch(40.5% 0.096 119.8)
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 #582B90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.036
- Dark Slate Blue #483D8B ΔE 0.048
- Blueberry #464196 ΔE 0.056
- Chrysanthemum #560BAD ΔE 0.060
- Imperial Purple #480CA8 ΔE 0.067
- Indigo #4B0082 ΔE 0.070
- Grape #7209B7 ΔE 0.083
- Indigo Blue #3A18B1 ΔE 0.087
Use #582B90 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.