#57404E
Closest named color: Purple Brown (#673A3F). oklch(40.2% 0.039 341.9), rgb(87, 64, 78).
Aa
White text reads best on this color (9.33:1).
About this color
#57404E is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.039 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.037 away. White text reads best on it, at 9.33:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #57404E |
| RGB | rgb(87, 64, 78) |
| HSL | hsl(323, 15%, 30%) |
| OKLCH | oklch(40.2% 0.039 341.9) |
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 #57404E | 9.33:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #57404E | 2.24:1 | Fails | Lc 12.4 | Not readable |
| #57404E text on white | 9.33:1 | AAA | Lc 91.5 | Preferred for body text |
| #57404E text on black | 2.24:1 | 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 900.
-
Step 50
50
#F7F4F6
oklch(97% 0.004 337.4)
-
Step 100
100
#EEE8EB
oklch(93.7% 0.008 345.4)
-
Step 200
200
#E1D5DC
oklch(88.5% 0.016 341.4)
-
Step 300
300
#CFBAC6
oklch(81% 0.029 342.4)
-
Step 400
400
#B696A9
oklch(70.8% 0.046 342)
-
Step 500
500
#A37C94
oklch(63.2% 0.059 341.5)
-
Step 600
600
#8E647E
oklch(55.5% 0.065 341.8)
-
Step 700
700
#79536A
oklch(49.1% 0.06 342.6)
-
Step 800
800
#624457
oklch(42.7% 0.05 341.1)
-
Step 900
900 (this color)
#57404E
oklch(40.2% 0.039 341.9)
-
Step 950
950
#2F222A
oklch(27.1% 0.024 341.4)
#57404E 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) | #41454F | 0.039 |
| Deuteranopia (no green cones) | #46484D | 0.037 |
| Tritanopia (no blue cones) | #5A4045 | 0.016 |
| Achromatopsia (no color) | #474747 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57404E
#57404E
oklch(40.2% 0.039 341.9)
- #354F42
#354F42
oklch(40.2% 0.039 162.3)
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 #57404E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.053
- Brownish Purple #76424E ΔE 0.060
- Onyx #343A40 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.072
- Dark Slate Gray #2F4F4F ΔE 0.073
- Charcoal #264653 ΔE 0.075
- Dusty Grape #545775 ΔE 0.079
Use #57404E 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.