#583BB1
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(45.6% 0.177 288.6), rgb(88, 59, 177).
Aa
White text reads best on this color (7.84:1).
About this color
#583BB1 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.177 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 0.035 away. White text reads best on it, at 7.84:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #583BB1 |
| RGB | rgb(88, 59, 177) |
| HSL | hsl(255, 50%, 46%) |
| OKLCH | oklch(45.6% 0.177 288.6) |
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 #583BB1 | 7.84:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #583BB1 | 2.67:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #583BB1 text on white | 7.84:1 | AAA | Lc 86.7 | Fine for body text |
| #583BB1 text on black | 2.67:1 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D7D4FE
oklch(88.6% 0.058 288.4)
-
Step 300
300
#BEB6FF
oklch(80.9% 0.102 288.9)
-
Step 400
400
#9E8DFF
oklch(70.8% 0.163 288.4)
-
Step 500
500
#896AFF
oklch(63.1% 0.212 288.4)
-
Step 600
600
#764BEE
oklch(55.7% 0.23 288.7)
-
Step 700
700
#633ACF
oklch(49.1% 0.214 288.5)
-
Step 800
800 (this color)
#583BB1
oklch(45.6% 0.177 288.6)
-
Step 900
900
#422E85
oklch(37.7% 0.139 288.5)
-
Step 950
950
#261C4E
oklch(27% 0.088 288.2)
#583BB1 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) | #0054B5 | 0.093 |
| Deuteranopia (no green cones) | #004FAF | 0.091 |
| Tritanopia (no blue cones) | #395871 | 0.144 |
| Achromatopsia (no color) | #525252 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583BB1
#583BB1
oklch(45.6% 0.177 288.6)
- #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 #583BB1, 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 0.035
- Bluey Purple #6241C7 ΔE 0.041
- Blurple #5539CC ΔE 0.043
- Rebecca Purple #663399 ΔE 0.049
- Blueberry #464196 ΔE 0.054
- Majorelle Blue #3F37C9 ΔE 0.058
- Purple Blue #5D21D0 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.067
Use #583BB1 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.