#584E8A
Closest named color: Twilight (#4E518B). oklch(46.2% 0.096 289.8), rgb(88, 78, 138).
Aa
White text reads best on this color (7.31:1).
About this color
#584E8A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.096 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.017 away. White text reads best on it, at 7.31:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.87:1 |
| White text | 7.31:1 |
Values
| HEX | #584E8A |
| RGB | rgb(88, 78, 138) |
| HSL | hsl(250, 28%, 42%) |
| OKLCH | oklch(46.2% 0.096 289.8) |
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 #584E8A | 7.31:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #584E8A | 2.87:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #584E8A text on white | 7.31:1 | AAA | Lc 85.3 | Fine for body text |
| #584E8A text on black | 2.87:1 | Fails | Lc -16.7 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E8F2
oklch(93.5% 0.013 290.7)
-
Step 200
200
#D8D7EA
oklch(88.6% 0.026 288.3)
-
Step 300
300
#BFBCDD
oklch(80.8% 0.046 289.5)
-
Step 400
400
#9F99CC
oklch(70.6% 0.074 289.8)
-
Step 500
500
#887FBF
oklch(63% 0.095 289.8)
-
Step 600
600
#7368AB
oklch(55.6% 0.103 290.2)
-
Step 700
700 (this color)
#584E8A
oklch(46.2% 0.096 289.8)
-
Step 800
800
#4E4777
oklch(42.7% 0.078 289.3)
-
Step 900
900
#413C60
oklch(37.8% 0.061 289.5)
-
Step 950
950
#262338
oklch(27% 0.039 290.1)
#584E8A 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) | #3A578C | 0.046 |
| Deuteranopia (no green cones) | #3B5589 | 0.044 |
| Tritanopia (no blue cones) | #4B5965 | 0.080 |
| Achromatopsia (no color) | #565656 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584E8A
#584E8A
oklch(46.2% 0.096 289.8)
- #5C5C0B
#5C5C0B
oklch(46% 0.095 109.6)
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 #584E8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.017
- Dusk #4E5481 ΔE 0.029
- Dusty Grape #545775 ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.050
- Blueberry #464196 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.056
- YInMn Blue #415A77 ΔE 0.061
Use #584E8A 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.