#584099
Closest named color: Blueberry (#464196). oklch(44.5% 0.139 292.2), rgb(88, 64, 153).
Aa
White text reads best on this color (8.05:1).
About this color
#584099 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.139 and its hue 292°. 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 8.05:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Blueberry (#464196) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #584099 |
| RGB | rgb(88, 64, 153) |
| HSL | hsl(256, 41%, 43%) |
| OKLCH | oklch(44.5% 0.139 292.2) |
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 #584099 | 8.05:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #584099 | 2.60:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #584099 text on white | 8.05:1 | AAA | Lc 87.6 | Fine for body text |
| #584099 text on black | 2.60:1 | Fails | Lc -14.5 | 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
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F5
oklch(88.4% 0.045 292.4)
-
Step 300
300
#C1B8F1
oklch(81% 0.08 291.7)
-
Step 400
400
#A390EB
oklch(70.7% 0.131 292.3)
-
Step 500
500
#8E72E4
oklch(63.1% 0.166 292.3)
-
Step 600
600
#7957D2
oklch(55.5% 0.181 292.2)
-
Step 700
700
#6646B6
oklch(49% 0.169 292.2)
-
Step 800
800 (this color)
#584099
oklch(44.5% 0.139 292.2)
-
Step 900
900
#443375
oklch(37.6% 0.109 292.2)
-
Step 950
950
#281F45
oklch(27.1% 0.069 292.1)
#584099 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) | #0C519C | 0.088 |
| Deuteranopia (no green cones) | #154E97 | 0.084 |
| Tritanopia (no blue cones) | #465366 | 0.112 |
| Achromatopsia (no color) | #505050 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584099
#584099
oklch(44.5% 0.139 292.2)
- #555900
#555900
oklch(44.5% 0.099 112.8)
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 #584099, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.030
- Rebecca Purple #663399 ΔE 0.036
- Dark Slate Blue #483D8B ΔE 0.037
- Twilight #4E518B ΔE 0.054
- Dusk #4E5481 ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.073
- Bluey Purple #6241C7 ΔE 0.075
- Cobalt #1E488F ΔE 0.081
Use #584099 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.