#584E79
Closest named color: Dusk (#4E5481). oklch(45.2% 0.07 294.1), rgb(88, 78, 121).
Aa
White text reads best on this color (7.55:1).
About this color
#584E79 is a medium-dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.070 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.023 away. White text reads best on it, at 7.55:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.78:1 |
| White text | 7.55:1 |
Values
| HEX | #584E79 |
| RGB | rgb(88, 78, 121) |
| HSL | hsl(254, 22%, 39%) |
| OKLCH | oklch(45.2% 0.07 294.1) |
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 #584E79 | 7.55:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #584E79 | 2.78:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #584E79 text on white | 7.55:1 | AAA | Lc 86.2 | Fine for body text |
| #584E79 text on black | 2.78:1 | Fails | Lc -15.9 | 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
#D9D7E7
oklch(88.6% 0.022 291.7)
-
Step 300
300
#C2BCD9
oklch(80.9% 0.041 295)
-
Step 400
400
#A299C6
oklch(70.6% 0.066 293.8)
-
Step 500
500
#8C80B7
oklch(63.1% 0.082 293.9)
-
Step 600
600
#7668A3
oklch(55.5% 0.091 294.1)
-
Step 700
700
#63578C
oklch(49.1% 0.084 293.5)
-
Step 800
800 (this color)
#584E79
oklch(45.2% 0.07 294.1)
-
Step 900
900
#433C5C
oklch(37.7% 0.054 293.7)
-
Step 950
950
#272336
oklch(27% 0.035 293.6)
#584E79 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) | #43557B | 0.035 |
| Deuteranopia (no green cones) | #445478 | 0.034 |
| Tritanopia (no blue cones) | #51555E | 0.057 |
| Achromatopsia (no color) | #545454 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584E79
#584E79
oklch(45.2% 0.07 294.1)
- #555A2A
#555A2A
oklch(45.1% 0.07 114.1)
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 #584E79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.023
- Dusty Grape #545775 ΔE 0.029
- Twilight #4E518B ΔE 0.032
- YInMn Blue #415A77 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.059
- Dusky Blue #475F94 ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.062
- Denim #3B638C ΔE 0.068
Use #584E79 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.