#584D79
Closest named color: Dusk (#4E5481). oklch(45% 0.072 294.8), rgb(88, 77, 121).
Aa
White text reads best on this color (7.62:1).
About this color
#584D79 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.072 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.025 away. White text reads best on it, at 7.62:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #584D79 |
| RGB | rgb(88, 77, 121) |
| HSL | hsl(255, 22%, 39%) |
| OKLCH | oklch(45% 0.072 294.8) |
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 #584D79 | 7.62:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #584D79 | 2.75:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #584D79 text on white | 7.62:1 | AAA | Lc 86.5 | Fine for body text |
| #584D79 text on black | 2.75:1 | Fails | Lc -15.6 | 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 800.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#DAD6E7
oklch(88.4% 0.023 296.7)
-
Step 300
300
#C2BCDA
oklch(81% 0.042 294.6)
-
Step 400
400
#A399C7
oklch(70.8% 0.067 294.6)
-
Step 500
500
#8D7FB8
oklch(63.1% 0.086 295.1)
-
Step 600
600
#7768A4
oklch(55.6% 0.093 294.7)
-
Step 700
700
#64568D
oklch(49.1% 0.087 294.7)
-
Step 800
800 (this color)
#584D79
oklch(45% 0.072 294.8)
-
Step 900
900
#443C5C
oklch(37.8% 0.055 295.1)
-
Step 950
950
#282336
oklch(27.1% 0.035 296)
#584D79 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) | #42547B | 0.036 |
| Deuteranopia (no green cones) | #435378 | 0.035 |
| Tritanopia (no blue cones) | #51545D | 0.058 |
| Achromatopsia (no color) | #545454 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584D79
#584D79
oklch(45% 0.072 294.8)
- #545A28
#545A28
oklch(45% 0.072 115)
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 #584D79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.025
- Dusty Grape #545775 ΔE 0.032
- Twilight #4E518B ΔE 0.032
- YInMn Blue #415A77 ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.060
- Dusky Blue #475F94 ΔE 0.061
- Light Navy Blue #2E5A88 ΔE 0.063
- Dark Slate Blue #483D8B ΔE 0.066
Use #584D79 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.