#584687
Closest named color: Twilight (#4E518B). oklch(44.4% 0.105 294.5), rgb(88, 70, 135).
Aa
White text reads best on this color (7.95:1).
About this color
#584687 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.105 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.032 away. White text reads best on it, at 7.95:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.64:1 |
| White text | 7.95:1 |
Values
| HEX | #584687 |
| RGB | rgb(88, 70, 135) |
| HSL | hsl(257, 32%, 40%) |
| OKLCH | oklch(44.4% 0.105 294.5) |
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 #584687 | 7.95:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #584687 | 2.64:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #584687 text on white | 7.95:1 | AAA | Lc 87.4 | Fine for body text |
| #584687 text on black | 2.64:1 | Fails | Lc -14.7 | Not readable |
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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EE
oklch(88.5% 0.034 294.9)
-
Step 300
300
#C2B9E5
oklch(80.8% 0.062 294.3)
-
Step 400
400
#A495D8
oklch(70.8% 0.098 294)
-
Step 500
500
#8F79CD
oklch(63.1% 0.125 294.6)
-
Step 600
600
#7960BA
oklch(55.5% 0.137 294.3)
-
Step 700
700
#664FA0
oklch(49% 0.126 294.3)
-
Step 800
800 (this color)
#584687
oklch(44.4% 0.105 294.5)
-
Step 900
900
#453868
oklch(37.8% 0.081 294.7)
-
Step 950
950
#28213D
oklch(27% 0.052 294.2)
#584687 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) | #305289 | 0.062 |
| Deuteranopia (no green cones) | #335085 | 0.058 |
| Tritanopia (no blue cones) | #4D5260 | 0.084 |
| Achromatopsia (no color) | #515151 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584687
#584687
oklch(44.4% 0.105 294.5)
- #535900
#535900
oklch(44.3% 0.1 114.2)
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 #584687, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.032
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.043
- Dusk #4E5481 ΔE 0.044
- Rebecca Purple #663399 ΔE 0.059
- Dusty Grape #545775 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.066
- Dusky Blue #475F94 ΔE 0.070
Use #584687 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.