#583899
Closest named color: Rebecca Purple (#663399). oklch(43.2% 0.151 294.4), rgb(88, 56, 153).
Aa
White text reads best on this color (8.60:1).
About this color
#583899 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.151 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.027 away. White text reads best on it, at 8.60:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.44:1 |
| White text | 8.60:1 |
Values
| HEX | #583899 |
| RGB | rgb(88, 56, 153) |
| HSL | hsl(260, 46%, 41%) |
| OKLCH | oklch(43.2% 0.151 294.4) |
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 #583899 | 8.60:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #583899 | 2.44:1 | Fails | Lc 14.9 | Not readable |
| #583899 text on white | 8.60:1 | AAA | Lc 89.1 | Fine for body text |
| #583899 text on black | 2.44:1 | Fails | Lc -13.1 | 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
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD3F7
oklch(88.4% 0.05 294.3)
-
Step 300
300
#C4B6F4
oklch(80.9% 0.088 294.7)
-
Step 400
400
#A78DEF
oklch(70.7% 0.142 294.7)
-
Step 500
500
#926DEA
oklch(63% 0.182 294.2)
-
Step 600
600
#7E51D8
oklch(55.5% 0.197 294.4)
-
Step 700
700
#6B41BB
oklch(49.1% 0.182 294.6)
-
Step 800
800 (this color)
#583899
oklch(43.2% 0.151 294.4)
-
Step 900
900
#473179
oklch(37.8% 0.118 294.1)
-
Step 950
950
#291D47
oklch(26.9% 0.076 293.9)
#583899 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) | #004D9C | 0.098 |
| Deuteranopia (no green cones) | #004A97 | 0.098 |
| Tritanopia (no blue cones) | #474E63 | 0.119 |
| Achromatopsia (no color) | #4C4C4C | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583899
#583899
oklch(43.2% 0.151 294.4)
- #505600
#505600
oklch(43.3% 0.098 114.4)
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 #583899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.027
- Blueberry #464196 ΔE 0.036
- Dark Slate Blue #483D8B ΔE 0.037
- Chrysanthemum #560BAD ΔE 0.070
- Twilight #4E518B ΔE 0.071
- Blue With A Hint Of Purple #533CC6 ΔE 0.073
- Bluey Purple #6241C7 ΔE 0.078
- Imperial Purple #480CA8 ΔE 0.079
Use #583899 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.