#573A62
Closest named color: Purple Brown (#673A3F). oklch(39.8% 0.074 316.4), rgb(87, 58, 98).
Aa
White text reads best on this color (9.60:1).
About this color
#573A62 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.074 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.067 away. White text reads best on it, at 9.60:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.18:1 |
| White text | 9.60:1 |
Values
| HEX | #573A62 |
| RGB | rgb(87, 58, 98) |
| HSL | hsl(284, 26%, 31%) |
| OKLCH | oklch(39.8% 0.074 316.4) |
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 #573A62 | 9.60:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #573A62 | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #573A62 text on white | 9.60:1 | AAA | Lc 92.1 | Preferred for body text |
| #573A62 text on black | 2.18:1 | Fails | Lc -10.3 | 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
#E1D3E7
oklch(88.4% 0.031 315.9)
-
Step 300
300
#CFB6D9
oklch(80.9% 0.056 316.3)
-
Step 400
400
#B78FC6
oklch(70.6% 0.09 316.6)
-
Step 500
500
#A573B8
oklch(63.2% 0.114 316.4)
-
Step 600
600
#905AA3
oklch(55.6% 0.124 316.9)
-
Step 700
700
#7A4A8C
oklch(49.1% 0.115 316.3)
-
Step 800
800
#633D72
oklch(42.7% 0.095 315.9)
-
Step 900
900 (this color)
#573A62
oklch(39.8% 0.074 316.4)
-
Step 950
950
#2F1F36
oklch(27% 0.047 315.2)
#573A62 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) | #344363 | 0.061 |
| Deuteranopia (no green cones) | #3B4661 | 0.056 |
| Tritanopia (no blue cones) | #573F49 | 0.049 |
| Achromatopsia (no color) | #454545 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573A62
#573A62
oklch(39.8% 0.074 316.4)
- #345026
#345026
oklch(39.8% 0.074 136.1)
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 #573A62, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.073
- Brownish Purple #76424E ΔE 0.077
- Dusk #4E5481 ΔE 0.079
- Dark Grey Blue #29465B ΔE 0.080
- Charcoal Grey #3C4142 ΔE 0.081
- Dusty Grape #545775 ΔE 0.082
- Twilight #4E518B ΔE 0.083
Use #573A62 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.