#583F96
Closest named color: Blueberry (#464196). oklch(44.1% 0.137 293.2), rgb(88, 63, 150).
Aa
White text reads best on this color (8.18:1).
About this color
#583F96 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.137 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.030 away. White text reads best on it, at 8.18:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Blueberry (#464196) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #583F96 |
| RGB | rgb(88, 63, 150) |
| HSL | hsl(257, 41%, 42%) |
| OKLCH | oklch(44.1% 0.137 293.2) |
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 #583F96 | 8.18:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #583F96 | 2.56:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #583F96 text on white | 8.18:1 | AAA | Lc 88.0 | Fine for body text |
| #583F96 text on black | 2.56:1 | Fails | Lc -14.2 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F5
oklch(88.5% 0.045 293.8)
-
Step 300
300
#C2B7F0
oklch(80.8% 0.08 293.4)
-
Step 400
400
#A490E9
oklch(70.7% 0.129 293.1)
-
Step 500
500
#8F72E2
oklch(63.1% 0.164 293)
-
Step 600
600
#7B57D0
oklch(55.6% 0.179 293.4)
-
Step 700
700
#6847B4
oklch(49.2% 0.165 293.3)
-
Step 800
800 (this color)
#583F96
oklch(44.1% 0.137 293.2)
-
Step 900
900
#453374
oklch(37.6% 0.107 293.3)
-
Step 950
950
#281F44
oklch(27% 0.067 292.5)
#583F96 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) | #0F5099 | 0.088 |
| Deuteranopia (no green cones) | #184E94 | 0.084 |
| Tritanopia (no blue cones) | #485264 | 0.110 |
| Achromatopsia (no color) | #4F4F4F | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583F96
#583F96
oklch(44.1% 0.137 293.2)
- #535800
#535800
oklch(44.1% 0.099 113.5)
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 #583F96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.030
- Dark Slate Blue #483D8B ΔE 0.034
- Rebecca Purple #663399 ΔE 0.035
- Twilight #4E518B ΔE 0.054
- Dusk #4E5481 ΔE 0.072
- Blue With A Hint Of Purple #533CC6 ΔE 0.078
- Bluey Purple #6241C7 ΔE 0.080
- Cobalt #1E488F ΔE 0.080
Use #583F96 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.