#573E59
Closest named color: Purple Brown (#673A3F). oklch(40.2% 0.055 324), rgb(87, 62, 89).
Aa
White text reads best on this color (9.38:1).
About this color
#573E59 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.055 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.050 away. White text reads best on it, at 9.38:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.23:1 |
| White text | 9.38:1 |
Values
| HEX | #573E59 |
| RGB | rgb(87, 62, 89) |
| HSL | hsl(296, 18%, 30%) |
| OKLCH | oklch(40.2% 0.055 324) |
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 #573E59 | 9.38:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #573E59 | 2.23:1 | Fails | Lc 12.3 | Not readable |
| #573E59 text on white | 9.38:1 | AAA | Lc 91.6 | Preferred for body text |
| #573E59 text on black | 2.23:1 | Fails | Lc -10.8 | 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 800.
-
Step 50
50
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#DFD5E0
oklch(88.4% 0.018 323)
-
Step 300
300
#CBBACC
oklch(80.9% 0.031 324.2)
-
Step 400
400
#B196B3
oklch(70.7% 0.052 323.9)
-
Step 500
500
#9E7CA0
oklch(63.1% 0.066 324.5)
-
Step 600
600
#88658B
oklch(55.6% 0.071 323.8)
-
Step 700
700
#735476
oklch(49.1% 0.065 323.5)
-
Step 800
800 (this color)
#573E59
oklch(40.2% 0.055 324)
-
Step 900
900
#4D3A4E
oklch(37.7% 0.042 324.7)
-
Step 950
950
#2D222E
oklch(27% 0.027 323.6)
#573E59 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) | #3C455A | 0.048 |
| Deuteranopia (no green cones) | #424758 | 0.043 |
| Tritanopia (no blue cones) | #584148 | 0.033 |
| Achromatopsia (no color) | #464646 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573E59
#573E59
oklch(40.2% 0.055 324)
- #365035
#365035
oklch(40.2% 0.055 143.6)
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 #573E59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.050
- Brownish Purple #76424E ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.073
- Dusty Grape #545775 ΔE 0.075
- Onyx #343A40 ΔE 0.078
- Charcoal #264653 ΔE 0.079
- Dusk #4E5481 ΔE 0.079
Use #573E59 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.