#573E58
Closest named color: Purple Brown (#673A3F). oklch(40.2% 0.053 325.2), rgb(87, 62, 88).
Aa
White text reads best on this color (9.39:1).
About this color
#573E58 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.053 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.049 away. White text reads best on it, at 9.39:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #573E58 |
| RGB | rgb(87, 62, 88) |
| HSL | hsl(298, 17%, 29%) |
| OKLCH | oklch(40.2% 0.053 325.2) |
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 #573E58 | 9.39:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #573E58 | 2.23:1 | Fails | Lc 12.3 | Not readable |
| #573E58 text on white | 9.39:1 | AAA | Lc 91.7 | Preferred for body text |
| #573E58 text on black | 2.23:1 | Fails | Lc -10.7 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EEE7EE
oklch(93.5% 0.012 325.7)
-
Step 200
200
#E1D4E1
oklch(88.4% 0.023 325.8)
-
Step 300
300
#CFB8CF
oklch(80.9% 0.041 325.9)
-
Step 400
400
#B693B7
oklch(70.7% 0.065 325.4)
-
Step 500
500
#A378A5
oklch(63.1% 0.083 325)
-
Step 600
600
#8E6190
oklch(55.7% 0.088 325.2)
-
Step 700
700
#79507A
oklch(49.2% 0.082 325.9)
-
Step 800
800
#624164
oklch(42.6% 0.07 324.8)
-
Step 900
900 (this color)
#573E58
oklch(40.2% 0.053 325.2)
-
Step 950
950
#2F2130
oklch(27.1% 0.034 324.2)
#573E58 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) | #3C4459 | 0.047 |
| Deuteranopia (no green cones) | #424757 | 0.043 |
| Tritanopia (no blue cones) | #584047 | 0.032 |
| Achromatopsia (no color) | #464646 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573E58
#573E58
oklch(40.2% 0.053 325.2)
- #355036
#355036
oklch(40.2% 0.054 145.4)
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 #573E58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.064
- Brownish Purple #76424E ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.072
- Dusty Grape #545775 ΔE 0.076
- Onyx #343A40 ΔE 0.077
- Charcoal #264653 ΔE 0.079
- Dusk #4E5481 ΔE 0.081
Use #573E58 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.