#583CAF
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(45.6% 0.174 288.8), rgb(88, 60, 175).
Aa
White text reads best on this color (7.83:1).
About this color
#583CAF is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.174 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.038 away. White text reads best on it, at 7.83:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.68:1 |
| White text | 7.83:1 |
Values
| HEX | #583CAF |
| RGB | rgb(88, 60, 175) |
| HSL | hsl(255, 49%, 46%) |
| OKLCH | oklch(45.6% 0.174 288.8) |
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 #583CAF | 7.83:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #583CAF | 2.68:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #583CAF text on white | 7.83:1 | AAA | Lc 86.7 | Fine for body text |
| #583CAF text on black | 2.68:1 | Fails | Lc -15.4 | Dividers and decoration only |
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
#D7D4FD
oklch(88.5% 0.056 288.5)
-
Step 300
300
#BEB6FF
oklch(80.9% 0.102 288.9)
-
Step 400
400
#9E8DFE
oklch(70.7% 0.161 288.5)
-
Step 500
500
#8A6BFC
oklch(63.2% 0.207 288.9)
-
Step 600
600
#764CEB
oklch(55.5% 0.225 289)
-
Step 700
700
#633CCD
oklch(49.1% 0.209 288.5)
-
Step 800
800 (this color)
#583CAF
oklch(45.6% 0.174 288.8)
-
Step 900
900
#422F83
oklch(37.7% 0.135 288.7)
-
Step 950
950
#261C4D
oklch(26.9% 0.087 288.6)
#583CAF 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) | #0054B3 | 0.093 |
| Deuteranopia (no green cones) | #004FAD | 0.091 |
| Tritanopia (no blue cones) | #3A5870 | 0.142 |
| Achromatopsia (no color) | #525252 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583CAF
#583CAF
oklch(45.6% 0.174 288.8)
- #5C5A00
#5C5A00
oklch(45.5% 0.098 108.2)
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 #583CAF, 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 0.038
- Bluey Purple #6241C7 ΔE 0.043
- Blurple #5539CC ΔE 0.047
- Rebecca Purple #663399 ΔE 0.047
- Blueberry #464196 ΔE 0.051
- Majorelle Blue #3F37C9 ΔE 0.060
- Purple Blue #5D21D0 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.064
Use #583CAF 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.