#584FA4
Closest named color: Twilight (#4E518B). oklch(48% 0.132 285.1), rgb(88, 79, 164).
Aa
White text reads best on this color (6.84:1).
About this color
#584FA4 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.132 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.045 away. White text reads best on it, at 6.84:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.06:1 |
| White text | 6.84:1 |
Values
| HEX | #584FA4 |
| RGB | rgb(88, 79, 164) |
| HSL | hsl(246, 35%, 48%) |
| OKLCH | oklch(48% 0.132 285.1) |
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 #584FA4 | 6.84:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #584FA4 | 3.06:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #584FA4 text on white | 6.84:1 | AA | Lc 83.4 | Fine for body text |
| #584FA4 text on black | 3.06:1 | AA large text | Lc -18.5 | 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
#D6D6F0
oklch(88.4% 0.036 285.7)
-
Step 300
300
#BCBBE9
oklch(80.8% 0.065 285.9)
-
Step 400
400
#9A97DE
oklch(70.6% 0.103 285.4)
-
Step 500
500
#827CD5
oklch(63% 0.132 285)
-
Step 600
600
#6D64C2
oklch(55.7% 0.142 285.2)
-
Step 700
700 (this color)
#584FA4
oklch(48% 0.132 285.1)
-
Step 800
800
#4A4488
oklch(42.8% 0.11 284.8)
-
Step 900
900
#3E3A6D
oklch(37.8% 0.085 285.1)
-
Step 950
950
#242240
oklch(27% 0.055 285.1)
#584FA4 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) | #285DA7 | 0.063 |
| Deuteranopia (no green cones) | #2558A2 | 0.063 |
| Tritanopia (no blue cones) | #3F6172 | 0.112 |
| Achromatopsia (no color) | #5B5B5B | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584FA4
#584FA4
oklch(48% 0.132 285.1)
- #676000
#676000
oklch(48% 0.102 104.6)
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 #584FA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.045
- Blueberry #464196 ΔE 0.052
- Iris #6258C4 ΔE 0.056
- Dusky Blue #475F94 ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.060
- Dusk #4E5481 ΔE 0.063
- Bluey Purple #6241C7 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.066
Use #584FA4 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.