#583AAD
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(45.1% 0.174 289.6), rgb(88, 58, 173).
Aa
White text reads best on this color (8.00:1).
About this color
#583AAD is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.174 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.041 away. White text reads best on it, at 8.00:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #583AAD |
| RGB | rgb(88, 58, 173) |
| HSL | hsl(256, 50%, 45%) |
| OKLCH | oklch(45.1% 0.174 289.6) |
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 #583AAD | 8.00:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #583AAD | 2.62:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #583AAD text on white | 8.00:1 | AAA | Lc 87.2 | Fine for body text |
| #583AAD text on black | 2.62:1 | Fails | Lc -14.9 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D8D4FD
oklch(88.6% 0.056 289.7)
-
Step 300
300
#BFB6FE
oklch(80.9% 0.101 289.7)
-
Step 400
400
#A08CFE
oklch(70.7% 0.163 289.6)
-
Step 500
500
#8B6AFC
oklch(63.1% 0.208 289.5)
-
Step 600
600
#774CEB
oklch(55.6% 0.225 289.4)
-
Step 700
700
#653BCC
oklch(49.1% 0.209 289.7)
-
Step 800
800 (this color)
#583AAD
oklch(45.1% 0.174 289.6)
-
Step 900
900
#432E83
oklch(37.7% 0.136 289.6)
-
Step 950
950
#271C4D
oklch(27% 0.087 289.7)
#583AAD 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) | #0053B1 | 0.095 |
| Deuteranopia (no green cones) | #004EAB | 0.093 |
| Tritanopia (no blue cones) | #3C566E | 0.141 |
| Achromatopsia (no color) | #505050 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583AAD
#583AAD
oklch(45.1% 0.174 289.6)
- #5A5900
#5A5900
oklch(45% 0.098 109)
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 #583AAD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.041
- Rebecca Purple #663399 ΔE 0.044
- Bluey Purple #6241C7 ΔE 0.047
- Blueberry #464196 ΔE 0.049
- Blurple #5539CC ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.062
- Majorelle Blue #3F37C9 ΔE 0.062
- Purple Blue #5D21D0 ΔE 0.064
Use #583AAD 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.