#57374B
Closest named color: Purple Brown (#673A3F). oklch(38.2% 0.055 342), rgb(87, 55, 75).
Aa
White text reads best on this color (10.22:1).
About this color
#57374B is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.055 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.040 away. White text reads best on it, at 10.22:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.05:1 |
| White text | 10.22:1 |
Values
| HEX | #57374B |
| RGB | rgb(87, 55, 75) |
| HSL | hsl(323, 23%, 28%) |
| OKLCH | oklch(38.2% 0.055 342) |
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 #57374B | 10.22:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #57374B | 2.05:1 | Fails | Lc 10.3 | Not readable |
| #57374B text on white | 10.22:1 | AAA | Lc 93.6 | Preferred for body text |
| #57374B text on black | 2.05:1 | Fails | Lc -8.9 | 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
#F0E7EC
oklch(93.6% 0.012 342.6)
-
Step 200
200
#E4D4DD
oklch(88.5% 0.021 342.6)
-
Step 300
300
#D4B7C8
oklch(80.9% 0.04 342)
-
Step 400
400
#BE91AC
oklch(70.7% 0.065 342.2)
-
Step 500
500
#AD7598
oklch(63.1% 0.084 341.8)
-
Step 600
600
#985D82
oklch(55.6% 0.091 342.3)
-
Step 700
700
#814D6E
oklch(49.1% 0.083 342)
-
Step 800
800
#693F5A
oklch(42.7% 0.07 341.5)
-
Step 900
900 (this color)
#57374B
oklch(38.2% 0.055 342)
-
Step 950
950
#32202B
oklch(27% 0.033 342.3)
#57374B 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) | #393E4C | 0.055 |
| Deuteranopia (no green cones) | #40434A | 0.053 |
| Tritanopia (no blue cones) | #5B373E | 0.023 |
| Achromatopsia (no color) | #414141 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57374B
#57374B
oklch(38.2% 0.055 342)
- #254C3A
#254C3A
oklch(38.2% 0.055 162.3)
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 #57374B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.060
- Onyx #343A40 ΔE 0.068
- Brownish Purple #76424E ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.081
- Grape Purple #5D1451 ΔE 0.083
- Charcoal #264653 ΔE 0.084
- Gunmetal #293241 ΔE 0.088
Use #57374B 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.