#583763
Closest named color: Purple Brown (#673A3F). oklch(39.4% 0.082 317.3), rgb(88, 55, 99).
Aa
White text reads best on this color (9.80:1).
About this color
#583763 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.082 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.071 away. White text reads best on it, at 9.80:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.14:1 |
| White text | 9.80:1 |
Values
| HEX | #583763 |
| RGB | rgb(88, 55, 99) |
| HSL | hsl(285, 29%, 30%) |
| OKLCH | oklch(39.4% 0.082 317.3) |
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 #583763 | 9.80:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #583763 | 2.14:1 | Fails | Lc 11.4 | Not readable |
| #583763 text on white | 9.80:1 | AAA | Lc 92.6 | Preferred for body text |
| #583763 text on black | 2.14:1 | Fails | Lc -9.9 | 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 900.
-
Step 50
50
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F2
oklch(93.5% 0.019 317.7)
-
Step 200
200
#E3D3E8
oklch(88.6% 0.033 318.1)
-
Step 300
300
#D1B5DB
oklch(80.9% 0.061 317.1)
-
Step 400
400
#BA8DC9
oklch(70.7% 0.099 317.5)
-
Step 500
500
#A870BB
oklch(63.1% 0.125 317.2)
-
Step 600
600
#9356A7
oklch(55.5% 0.137 317.3)
-
Step 700
700
#7D468F
oklch(49% 0.127 317.3)
-
Step 800
800
#663A74
oklch(42.7% 0.105 317.6)
-
Step 900
900 (this color)
#583763
oklch(39.4% 0.082 317.3)
-
Step 950
950
#311E37
oklch(27.1% 0.052 317.8)
#583763 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) | #304165 | 0.070 |
| Deuteranopia (no green cones) | #394562 | 0.064 |
| Tritanopia (no blue cones) | #583D48 | 0.054 |
| Achromatopsia (no color) | #444444 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583763
#583763
oklch(39.4% 0.082 317.3)
- #2F5022
#2F5022
oklch(39.4% 0.082 137.6)
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 #583763, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.072
- Grape Purple #5D1451 ΔE 0.077
- Brownish Purple #76424E ΔE 0.082
- Dusk #4E5481 ΔE 0.085
- Dark Grey Blue #29465B ΔE 0.086
- Twilight #4E518B ΔE 0.087
- Charcoal Grey #3C4142 ΔE 0.088
Use #583763 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.