#584EA4
Closest named color: Twilight (#4E518B). oklch(47.8% 0.134 285.5), rgb(88, 78, 164).
Aa
White text reads best on this color (6.90:1).
About this color
#584EA4 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.134 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.046 away. White text reads best on it, at 6.90:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #584EA4 |
| RGB | rgb(88, 78, 164) |
| HSL | hsl(247, 36%, 47%) |
| OKLCH | oklch(47.8% 0.134 285.5) |
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 #584EA4 | 6.90:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #584EA4 | 3.04:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #584EA4 text on white | 6.90:1 | AA | Lc 83.7 | Fine for body text |
| #584EA4 text on black | 3.04:1 | AA large text | Lc -18.3 | 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 700.
-
Step 50
50
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BCBBE9
oklch(80.8% 0.065 285.9)
-
Step 400
400
#9A97DF
oklch(70.7% 0.104 285.3)
-
Step 500
500
#837CD5
oklch(63.1% 0.131 285.6)
-
Step 600
600
#6D63C3
oklch(55.6% 0.145 285.4)
-
Step 700
700 (this color)
#584EA4
oklch(47.8% 0.134 285.5)
-
Step 800
800
#4B4388
oklch(42.7% 0.111 286)
-
Step 900
900
#3E396D
oklch(37.6% 0.087 285.8)
-
Step 950
950
#242240
oklch(27% 0.055 285.1)
#584EA4 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) | #265CA7 | 0.065 |
| Deuteranopia (no green cones) | #2357A2 | 0.065 |
| Tritanopia (no blue cones) | #3F6071 | 0.113 |
| Achromatopsia (no color) | #5A5A5A | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584EA4
#584EA4
oklch(47.8% 0.134 285.5)
- #666000
#666000
oklch(47.9% 0.102 105.4)
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 #584EA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.046
- Blueberry #464196 ΔE 0.051
- Iris #6258C4 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.061
- Dusk #4E5481 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.064
- Bluey Purple #6241C7 ΔE 0.065
Use #584EA4 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.