#583F56
Closest named color: Purple Brown (#673A3F). oklch(40.4% 0.05 329.2), rgb(88, 63, 86).
Aa
White text reads best on this color (9.29:1).
About this color
#583F56 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.050 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 0.045 away. White text reads best on it, at 9.29:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.26:1 |
| White text | 9.29:1 |
Values
| HEX | #583F56 |
| RGB | rgb(88, 63, 86) |
| HSL | hsl(305, 17%, 30%) |
| OKLCH | oklch(40.4% 0.05 329.2) |
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 #583F56 | 9.29:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #583F56 | 2.26:1 | Fails | Lc 12.6 | Not readable |
| #583F56 text on white | 9.29:1 | AAA | Lc 91.4 | Preferred for body text |
| #583F56 text on black | 2.26:1 | Fails | Lc -11.0 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#DFD5DE
oklch(88.4% 0.016 328.8)
-
Step 300
300
#CCBACA
oklch(80.9% 0.03 329.4)
-
Step 400
400
#B297AF
oklch(70.8% 0.046 329.7)
-
Step 500
500
#9E7D9B
oklch(63.1% 0.059 329.3)
-
Step 600
600
#896686
oklch(55.7% 0.064 329.3)
-
Step 700
700
#745472
oklch(49% 0.061 328.6)
-
Step 800
800 (this color)
#583F56
oklch(40.4% 0.05 329.2)
-
Step 900
900
#4D3A4C
oklch(37.6% 0.039 328)
-
Step 950
950
#2D222C
oklch(26.9% 0.024 329.2)
#583F56 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) | #3E4557 | 0.046 |
| Deuteranopia (no green cones) | #444855 | 0.042 |
| Tritanopia (no blue cones) | #5A4147 | 0.028 |
| Achromatopsia (no color) | #474747 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583F56
#583F56
oklch(40.4% 0.05 329.2)
- #35503A
#35503A
oklch(40.3% 0.049 149.5)
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 #583F56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.045
- Brownish Purple #76424E ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.073
- Dusty Grape #545775 ΔE 0.075
- Onyx #343A40 ΔE 0.077
- Charcoal #264653 ΔE 0.079
- Dark Slate Gray #2F4F4F ΔE 0.081
Use #583F56 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.