#573B60
Closest named color: Purple Brown (#673A3F). oklch(39.9% 0.07 317.7), rgb(87, 59, 96).
Aa
White text reads best on this color (9.54:1).
About this color
#573B60 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.070 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.063 away. White text reads best on it, at 9.54:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.19:1 |
| White text | 9.54:1 |
Values
| HEX | #573B60 |
| RGB | rgb(87, 59, 96) |
| HSL | hsl(285, 24%, 30%) |
| OKLCH | oklch(39.9% 0.07 317.7) |
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 #573B60 | 9.54:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #573B60 | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #573B60 text on white | 9.54:1 | AAA | Lc 92.0 | Preferred for body text |
| #573B60 text on black | 2.19:1 | Fails | Lc -10.4 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E1D3E6
oklch(88.4% 0.03 317.2)
-
Step 300
300
#CFB7D7
oklch(81% 0.051 317.7)
-
Step 400
400
#B690C3
oklch(70.6% 0.084 317.4)
-
Step 500
500
#A474B4
oklch(63.1% 0.108 317.4)
-
Step 600
600
#8F5C9F
oklch(55.6% 0.115 317.8)
-
Step 700
700
#7A4B88
oklch(49.1% 0.108 318.2)
-
Step 800
800
#633E6F
oklch(42.7% 0.09 317.5)
-
Step 900
900 (this color)
#573B60
oklch(39.9% 0.07 317.7)
-
Step 950
950
#2F1F35
oklch(26.9% 0.045 316.5)
#573B60 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) | #364361 | 0.058 |
| Deuteranopia (no green cones) | #3D465F | 0.052 |
| Tritanopia (no blue cones) | #574049 | 0.046 |
| Achromatopsia (no color) | #454545 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573B60
#573B60
oklch(39.9% 0.07 317.7)
- #34502A
#34502A
oklch(39.8% 0.07 137.9)
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 #573B60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.063
- Brownish Purple #76424E ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.078
- Dusk #4E5481 ΔE 0.079
- Dusty Grape #545775 ΔE 0.080
- Twilight #4E518B ΔE 0.084
Use #573B60 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.