#583B60
Closest named color: Purple Brown (#673A3F). oklch(40.1% 0.07 318.8), rgb(88, 59, 96).
Aa
White text reads best on this color (9.50:1).
About this color
#583B60 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.070 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.062 away. White text reads best on it, at 9.50:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.070) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.20:1 |
| White text | 9.50:1 |
Values
| HEX | #583B60 |
| RGB | rgb(88, 59, 96) |
| HSL | hsl(287, 24%, 30%) |
| OKLCH | oklch(40.1% 0.07 318.8) |
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 #583B60 | 9.50:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #583B60 | 2.20:1 | Fails | Lc 12.1 | Not readable |
| #583B60 text on white | 9.50:1 | AAA | Lc 91.9 | Preferred for body text |
| #583B60 text on black | 2.20:1 | Fails | Lc -10.5 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E2D3E6
oklch(88.5% 0.03 319.1)
-
Step 300
300
#D0B6D7
oklch(80.9% 0.054 319)
-
Step 400
400
#B790C2
oklch(70.7% 0.083 318.7)
-
Step 500
500
#A574B3
oklch(63.1% 0.107 318.6)
-
Step 600
600
#905B9F
oklch(55.6% 0.118 318.6)
-
Step 700
700
#7B4B88
oklch(49.2% 0.109 318.9)
-
Step 800
800
#643E6E
oklch(42.8% 0.089 319.1)
-
Step 900
900 (this color)
#583B60
oklch(40.1% 0.07 318.8)
-
Step 950
950
#301F34
oklch(27% 0.045 319.8)
#583B60 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) | #364461 | 0.060 |
| Deuteranopia (no green cones) | #3D475F | 0.055 |
| Tritanopia (no blue cones) | #583F49 | 0.045 |
| Achromatopsia (no color) | #464646 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583B60
#583B60
oklch(40.1% 0.07 318.8)
- #34512B
#34512B
oklch(40.1% 0.07 138.6)
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 #583B60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.062
- Brownish Purple #76424E ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.077
- Charcoal Grey #3C4142 ΔE 0.079
- Dusk #4E5481 ΔE 0.079
- Dusty Grape #545775 ΔE 0.079
- Dark Grey Blue #29465B ΔE 0.080
- Twilight #4E518B ΔE 0.084
Use #583B60 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.