#583B56
Closest named color: Purple Brown (#673A3F). oklch(39.6% 0.058 329), rgb(88, 59, 86).
Aa
White text reads best on this color (9.65:1).
About this color
#583B56 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.058 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.047 away. White text reads best on it, at 9.65:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #583B56 |
| RGB | rgb(88, 59, 86) |
| HSL | hsl(304, 20%, 29%) |
| OKLCH | oklch(39.6% 0.058 329) |
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 #583B56 | 9.65:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #583B56 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #583B56 text on white | 9.65:1 | AAA | Lc 92.3 | Preferred for body text |
| #583B56 text on black | 2.17:1 | Fails | Lc -10.1 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E3D4E1
oklch(88.6% 0.024 330)
-
Step 300
300
#D1B7CF
oklch(80.9% 0.044 328.4)
-
Step 400
400
#BA91B6
oklch(70.7% 0.071 329.6)
-
Step 500
500
#A876A4
oklch(63.2% 0.089 329.3)
-
Step 600
600
#935E8F
oklch(55.7% 0.097 329.4)
-
Step 700
700
#7D4D7A
oklch(49.1% 0.091 329.1)
-
Step 800
800
#653F63
oklch(42.6% 0.075 328.6)
-
Step 900
900 (this color)
#583B56
oklch(39.6% 0.058 329)
-
Step 950
950
#31202F
oklch(27.1% 0.037 330.6)
#583B56 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) | #3A4257 | 0.054 |
| Deuteranopia (no green cones) | #414655 | 0.050 |
| Tritanopia (no blue cones) | #5A3D45 | 0.032 |
| Achromatopsia (no color) | #454545 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583B56
#583B56
oklch(39.6% 0.058 329)
- #2F4F35
#2F4F35
oklch(39.5% 0.058 149.1)
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 #583B56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.047
- Brownish Purple #76424E ΔE 0.066
- Charcoal Grey #3C4142 ΔE 0.067
- Onyx #343A40 ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.077
- Charcoal #264653 ΔE 0.083
- Dusty Grape #545775 ΔE 0.084
- Dusk #4E5481 ΔE 0.088
Use #583B56 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.