#584D74
Closest named color: Dusk (#4E5481). oklch(44.7% 0.064 296.7), rgb(88, 77, 116).
Aa
White text reads best on this color (7.69:1).
About this color
#584D74 is a dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.064 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.028 away. White text reads best on it, at 7.69:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #584D74 |
| RGB | rgb(88, 77, 116) |
| HSL | hsl(257, 20%, 38%) |
| OKLCH | oklch(44.7% 0.064 296.7) |
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 #584D74 | 7.69:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #584D74 | 2.72:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #584D74 text on white | 7.69:1 | AAA | Lc 86.7 | Fine for body text |
| #584D74 text on black | 2.72:1 | Fails | Lc -15.4 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EAE8F0
oklch(93.5% 0.011 297.6)
-
Step 200
200
#DAD7E6
oklch(88.6% 0.021 295.1)
-
Step 300
300
#C2BCD6
oklch(80.8% 0.037 296.1)
-
Step 400
400
#A499C2
oklch(70.7% 0.06 297.1)
-
Step 500
500
#8E80B3
oklch(63.1% 0.077 296.7)
-
Step 600
600
#78699E
oklch(55.6% 0.082 296.6)
-
Step 700
700
#655787
oklch(49% 0.077 296.9)
-
Step 800
800 (this color)
#584D74
oklch(44.7% 0.064 296.7)
-
Step 900
900
#443C59
oklch(37.7% 0.05 296.6)
-
Step 950
950
#282334
oklch(26.9% 0.032 297.7)
#584D74 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) | #445376 | 0.033 |
| Deuteranopia (no green cones) | #455373 | 0.033 |
| Tritanopia (no blue cones) | #53535B | 0.051 |
| Achromatopsia (no color) | #535353 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584D74
#584D74
oklch(44.7% 0.064 296.7)
- #52592E
#52592E
oklch(44.7% 0.064 116.7)
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 #584D74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.028
- Dusty Grape #545775 ΔE 0.029
- Twilight #4E518B ΔE 0.039
- YInMn Blue #415A77 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.064
- Light Navy Blue #2E5A88 ΔE 0.065
- Dusky Blue #475F94 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.071
Use #584D74 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.