#583B59
Closest named color: Purple Brown (#673A3F). oklch(39.7% 0.062 325.5), rgb(88, 59, 89).
Aa
White text reads best on this color (9.61:1).
About this color
#583B59 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.062 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.051 away. White text reads best on it, at 9.61:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.18:1 |
| White text | 9.61:1 |
Values
| HEX | #583B59 |
| RGB | rgb(88, 59, 89) |
| HSL | hsl(298, 20%, 29%) |
| OKLCH | oklch(39.7% 0.062 325.5) |
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 #583B59 | 9.61:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #583B59 | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #583B59 text on white | 9.61:1 | AAA | Lc 92.2 | Preferred for body text |
| #583B59 text on black | 2.18:1 | Fails | Lc -10.2 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7EF
oklch(93.7% 0.014 325.7)
-
Step 200
200
#E2D4E3
oklch(88.6% 0.025 323.8)
-
Step 300
300
#D1B7D1
oklch(81% 0.046 326)
-
Step 400
400
#B991BA
oklch(70.7% 0.074 325.5)
-
Step 500
500
#A775A9
oklch(63.1% 0.095 325.3)
-
Step 600
600
#925D94
oklch(55.6% 0.103 325.6)
-
Step 700
700
#7C4C7E
oklch(49% 0.096 325.5)
-
Step 800
800
#653F66
oklch(42.7% 0.078 326)
-
Step 900
900 (this color)
#583B59
oklch(39.7% 0.062 325.5)
-
Step 950
950
#302031
oklch(27.1% 0.038 324.6)
#583B59 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) | #39435A | 0.056 |
| Deuteranopia (no green cones) | #404658 | 0.051 |
| Tritanopia (no blue cones) | #5A3E46 | 0.037 |
| Achromatopsia (no color) | #454545 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583B59
#583B59
oklch(39.7% 0.062 325.5)
- #305032
#305032
oklch(39.7% 0.063 145.7)
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 #583B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.051
- Brownish Purple #76424E ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.077
- Onyx #343A40 ΔE 0.080
- Dusty Grape #545775 ΔE 0.082
- Charcoal #264653 ΔE 0.084
- Dusk #4E5481 ΔE 0.085
Use #583B59 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.