#57375E
Closest named color: Purple Brown (#673A3F). oklch(39.1% 0.075 320.2), rgb(87, 55, 94).
Aa
White text reads best on this color (9.93:1).
About this color
#57375E is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.075 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.065 away. White text reads best on it, at 9.93:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.11:1 |
| White text | 9.93:1 |
Values
| HEX | #57375E |
| RGB | rgb(87, 55, 94) |
| HSL | hsl(289, 26%, 29%) |
| OKLCH | oklch(39.1% 0.075 320.2) |
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 #57375E | 9.93:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #57375E | 2.11:1 | Fails | Lc 11.0 | Not readable |
| #57375E text on white | 9.93:1 | AAA | Lc 92.9 | Preferred for body text |
| #57375E text on black | 2.11:1 | Fails | Lc -9.5 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F1
oklch(93.5% 0.018 320.1)
-
Step 200
200
#E3D3E6
oklch(88.5% 0.031 320.9)
-
Step 300
300
#D1B5D8
oklch(80.8% 0.057 319.5)
-
Step 400
400
#BA8EC4
oklch(70.7% 0.091 320)
-
Step 500
500
#A871B4
oklch(63% 0.115 320.3)
-
Step 600
600
#9358A0
oklch(55.5% 0.126 320.2)
-
Step 700
700
#7D4889
oklch(49% 0.117 320)
-
Step 800
800
#663C6F
oklch(42.7% 0.095 320.4)
-
Step 900
900 (this color)
#57375E
oklch(39.1% 0.075 320.2)
-
Step 950
950
#311E35
oklch(27% 0.049 320.5)
#57375E 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) | #32405F | 0.065 |
| Deuteranopia (no green cones) | #3A445D | 0.060 |
| Tritanopia (no blue cones) | #583C46 | 0.048 |
| Achromatopsia (no color) | #434343 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57375E
#57375E
oklch(39.1% 0.075 320.2)
- #2E4F27
#2E4F27
oklch(39.1% 0.075 140.1)
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 #57375E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.065
- Grape Purple #5D1451 ΔE 0.076
- Dark Slate Blue #483D8B ΔE 0.079
- Brownish Purple #76424E ΔE 0.079
- Charcoal Grey #3C4142 ΔE 0.080
- Dark Grey Blue #29465B ΔE 0.083
- Onyx #343A40 ΔE 0.085
- Dusk #4E5481 ΔE 0.089
Use #57375E 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.