#584D89
Closest named color: Twilight (#4E518B). oklch(45.9% 0.096 290.5), rgb(88, 77, 137).
Aa
White text reads best on this color (7.40:1).
About this color
#584D89 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.096 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.018 away. White text reads best on it, at 7.40:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.83:1 |
| White text | 7.40:1 |
Values
| HEX | #584D89 |
| RGB | rgb(88, 77, 137) |
| HSL | hsl(251, 28%, 42%) |
| OKLCH | oklch(45.9% 0.096 290.5) |
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 #584D89 | 7.40:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #584D89 | 2.83:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #584D89 text on white | 7.40:1 | AAA | Lc 85.6 | Fine for body text |
| #584D89 text on black | 2.83:1 | Fails | Lc -16.4 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6ED
oklch(88.5% 0.031 289.7)
-
Step 300
300
#C0BBE3
oklch(80.9% 0.056 290.8)
-
Step 400
400
#A097D5
oklch(70.7% 0.09 290.6)
-
Step 500
500
#897CCA
oklch(63% 0.116 290.3)
-
Step 600
600
#7464B6
oklch(55.5% 0.125 290.7)
-
Step 700
700
#61539D
oklch(49.1% 0.116 290.2)
-
Step 800
800 (this color)
#584D89
oklch(45.9% 0.096 290.5)
-
Step 900
900
#423A66
oklch(37.8% 0.074 290.8)
-
Step 950
950
#26223C
oklch(27% 0.048 289.9)
#584D89 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) | #3A578B | 0.047 |
| Deuteranopia (no green cones) | #3A5488 | 0.045 |
| Tritanopia (no blue cones) | #4C5864 | 0.079 |
| Achromatopsia (no color) | #555555 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584D89
#584D89
oklch(45.9% 0.096 290.5)
- #5B5C0B
#5B5C0B
oklch(45.9% 0.096 110.4)
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 #584D89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.018
- Dusk #4E5481 ΔE 0.030
- Dusty Grape #545775 ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.052
- Dusky Blue #475F94 ΔE 0.053
- Blueberry #464196 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.054
- YInMn Blue #415A77 ΔE 0.062
Use #584D89 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.