#584E87
Closest named color: Twilight (#4E518B). oklch(46% 0.091 290.4), rgb(88, 78, 135).
Aa
White text reads best on this color (7.35:1).
About this color
#584E87 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.091 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.017 away. White text reads best on it, at 7.35:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #584E87 |
| RGB | rgb(88, 78, 135) |
| HSL | hsl(251, 27%, 42%) |
| OKLCH | oklch(46% 0.091 290.4) |
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 #584E87 | 7.35:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #584E87 | 2.85:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #584E87 text on white | 7.35:1 | AAA | Lc 85.5 | Fine for body text |
| #584E87 text on black | 2.85:1 | Fails | Lc -16.6 | 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 700.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D8D7E9
oklch(88.5% 0.025 288.4)
-
Step 300
300
#C0BCDC
oklch(80.9% 0.045 291.1)
-
Step 400
400
#A099CA
oklch(70.6% 0.071 291)
-
Step 500
500
#8980BC
oklch(63.1% 0.089 290.5)
-
Step 600
600
#7369A9
oklch(55.7% 0.098 290)
-
Step 700
700 (this color)
#584E87
oklch(46% 0.091 290.4)
-
Step 800
800
#4F4775
oklch(42.7% 0.075 290.8)
-
Step 900
900
#413C5F
oklch(37.7% 0.059 289.8)
-
Step 950
950
#262337
oklch(26.9% 0.037 290.6)
#584E87 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) | #3C5789 | 0.044 |
| Deuteranopia (no green cones) | #3D5586 | 0.042 |
| Tritanopia (no blue cones) | #4D5964 | 0.076 |
| Achromatopsia (no color) | #565656 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584E87
#584E87
oklch(46% 0.091 290.4)
- #5B5C13
#5B5C13
oklch(46% 0.091 110.3)
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 #584E87, 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 0.026
- Dusty Grape #545775 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.051
- Dusky Blue #475F94 ΔE 0.051
- Blueberry #464196 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.057
- YInMn Blue #415A77 ΔE 0.058
Use #584E87 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.