#584D9E
Closest named color: Twilight (#4E518B). oklch(47.2% 0.127 286.7), rgb(88, 77, 158).
Aa
White text reads best on this color (7.07:1).
About this color
#584D9E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.127 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.038 away. White text reads best on it, at 7.07:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.97:1 |
| White text | 7.07:1 |
Values
| HEX | #584D9E |
| RGB | rgb(88, 77, 158) |
| HSL | hsl(248, 34%, 46%) |
| OKLCH | oklch(47.2% 0.127 286.7) |
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 #584D9E | 7.07:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #584D9E | 2.97:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #584D9E text on white | 7.07:1 | AAA | Lc 84.3 | Fine for body text |
| #584D9E text on black | 2.97:1 | Fails | Lc -17.7 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6EF
oklch(88.5% 0.034 287.5)
-
Step 300
300
#BDBBE7
oklch(80.8% 0.062 287)
-
Step 400
400
#9C97DB
oklch(70.7% 0.098 287)
-
Step 500
500
#857CD1
oklch(63.1% 0.126 287.1)
-
Step 600
600
#6F64BE
oklch(55.6% 0.136 286.7)
-
Step 700
700 (this color)
#584D9E
oklch(47.2% 0.127 286.7)
-
Step 800
800
#4C4485
oklch(42.7% 0.105 286.7)
-
Step 900
900
#3F3A6A
oklch(37.7% 0.08 286.6)
-
Step 950
950
#25223E
oklch(27% 0.051 287.4)
#584D9E 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) | #2A5BA1 | 0.063 |
| Deuteranopia (no green cones) | #29569C | 0.061 |
| Tritanopia (no blue cones) | #435E6E | 0.106 |
| Achromatopsia (no color) | #585858 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584D9E
#584D9E
oklch(47.2% 0.127 286.7)
- #635E00
#635E00
oklch(47.1% 0.101 106.1)
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 #584D9E, closest first.
No curated palette has a color within ΔE 0.04 of #584D9E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.038
- Blueberry #464196 ΔE 0.046
- Dusk #4E5481 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.058
- Rebecca Purple #663399 ΔE 0.062
- Iris #6258C4 ΔE 0.066
Use #584D9E 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.