#584787
Closest named color: Twilight (#4E518B). oklch(44.6% 0.103 294.1), rgb(88, 71, 135).
Aa
White text reads best on this color (7.87:1).
About this color
#584787 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.103 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.030 away. White text reads best on it, at 7.87:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #584787 |
| RGB | rgb(88, 71, 135) |
| HSL | hsl(256, 31%, 40%) |
| OKLCH | oklch(44.6% 0.103 294.1) |
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 #584787 | 7.87:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #584787 | 2.66:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #584787 text on white | 7.87:1 | AAA | Lc 87.2 | Fine for body text |
| #584787 text on black | 2.66:1 | Fails | Lc -14.9 | 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
#F5F4FA
oklch(97% 0.008 293.9)
-
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
#C2BAE4
oklch(80.9% 0.059 293.8)
-
Step 400
400
#A495D7
oklch(70.7% 0.096 294.2)
-
Step 500
500
#8E79CC
oklch(63% 0.123 294.2)
-
Step 600
600
#7961B9
oklch(55.6% 0.134 294.2)
-
Step 700
700
#66509F
oklch(49.1% 0.123 294.2)
-
Step 800
800 (this color)
#584787
oklch(44.6% 0.103 294.1)
-
Step 900
900
#443868
oklch(37.7% 0.081 293.7)
-
Step 950
950
#28213D
oklch(27% 0.052 294.2)
#584787 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) | #325289 | 0.058 |
| Deuteranopia (no green cones) | #345085 | 0.056 |
| Tritanopia (no blue cones) | #4D5360 | 0.084 |
| Achromatopsia (no color) | #515151 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584787
#584787
oklch(44.6% 0.103 294.1)
- #545A00
#545A00
oklch(44.7% 0.101 114.2)
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 #584787, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.030
- Dark Slate Blue #483D8B ΔE 0.042
- Dusk #4E5481 ΔE 0.042
- Blueberry #464196 ΔE 0.044
- Dusty Grape #545775 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.064
- Dusky Blue #475F94 ΔE 0.067
Use #584787 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.