#584991
Closest named color: Twilight (#4E518B). oklch(45.6% 0.114 290.7), rgb(88, 73, 145).
Aa
White text reads best on this color (7.56:1).
About this color
#584991 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.114 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.029 away. White text reads best on it, at 7.56:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.77:1 |
| White text | 7.56:1 |
Values
| HEX | #584991 |
| RGB | rgb(88, 73, 145) |
| HSL | hsl(252, 33%, 43%) |
| OKLCH | oklch(45.6% 0.114 290.7) |
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 #584991 | 7.56:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #584991 | 2.77:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #584991 text on white | 7.56:1 | AAA | Lc 86.1 | Fine for body text |
| #584991 text on black | 2.77:1 | Fails | Lc -15.9 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D5F1
oklch(88.4% 0.038 290.5)
-
Step 300
300
#C0BAE9
oklch(81% 0.066 290.7)
-
Step 400
400
#A095DE
oklch(70.7% 0.106 290.3)
-
Step 500
500
#8A79D5
oklch(63.1% 0.136 290.5)
-
Step 600
600
#7560C2
oklch(55.6% 0.147 290.7)
-
Step 700
700
#624EA8
oklch(49% 0.139 290.6)
-
Step 800
800 (this color)
#584991
oklch(45.6% 0.114 290.7)
-
Step 900
900
#42376D
oklch(37.6% 0.09 290.8)
-
Step 950
950
#272140
oklch(27.1% 0.057 291)
#584991 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) | #2E5594 | 0.061 |
| Deuteranopia (no green cones) | #2F538F | 0.060 |
| Tritanopia (no blue cones) | #495766 | 0.093 |
| Achromatopsia (no color) | #545454 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584991
#584991
oklch(45.6% 0.114 290.7)
- #5A5B00
#5A5B00
oklch(45.5% 0.1 110.5)
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 #584991, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.029
- Blueberry #464196 ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.044
- Dusk #4E5481 ΔE 0.046
- Rebecca Purple #663399 ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.060
- Dusky Blue #475F94 ΔE 0.062
- Dusty Grape #545775 ΔE 0.068
Use #584991 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.