#573E4A
Closest named color: Purple Brown (#673A3F). oklch(39.6% 0.039 348.7), rgb(87, 62, 74).
Aa
White text reads best on this color (9.57:1).
About this color
#573E4A is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.039 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.034 away. White text reads best on it, at 9.57:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.19:1 |
| White text | 9.57:1 |
Values
| HEX | #573E4A |
| RGB | rgb(87, 62, 74) |
| HSL | hsl(331, 17%, 29%) |
| OKLCH | oklch(39.6% 0.039 348.7) |
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 #573E4A | 9.57:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #573E4A | 2.19:1 | Fails | Lc 11.8 | Not readable |
| #573E4A text on white | 9.57:1 | AAA | Lc 92.1 | Preferred for body text |
| #573E4A text on black | 2.19:1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE8EB
oklch(93.7% 0.009 349.3)
-
Step 200
200
#E2D5DB
oklch(88.5% 0.016 347.7)
-
Step 300
300
#D0B9C4
oklch(80.8% 0.03 347.3)
-
Step 400
400
#B895A5
oklch(70.7% 0.047 349.2)
-
Step 500
500
#A67B8F
oklch(63.1% 0.06 349.4)
-
Step 600
600
#91647A
oklch(55.7% 0.065 348.6)
-
Step 700
700
#7B5266
oklch(49% 0.061 348.9)
-
Step 800
800
#644453
oklch(42.7% 0.049 349.7)
-
Step 900
900 (this color)
#573E4A
oklch(39.6% 0.039 348.7)
-
Step 950
950
#302228
oklch(27.1% 0.024 351.3)
#573E4A 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) | #40434A | 0.042 |
| Deuteranopia (no green cones) | #464749 | 0.039 |
| Tritanopia (no blue cones) | #5B3E42 | 0.015 |
| Achromatopsia (no color) | #454545 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573E4A
#573E4A
oklch(39.6% 0.039 348.7)
- #314E43
#314E43
oklch(39.7% 0.04 168.5)
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 #573E4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.034
- Charcoal Grey #3C4142 ΔE 0.051
- Brownish Purple #76424E ΔE 0.062
- Onyx #343A40 ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.074
- Dark Slate Gray #2F4F4F ΔE 0.075
- Charcoal #264653 ΔE 0.076
- Dusty Grape #545775 ΔE 0.087
Use #573E4A 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.