#57375D
Closest named color: Purple Brown (#673A3F). oklch(39% 0.074 321.1), rgb(87, 55, 93).
Aa
White text reads best on this color (9.95:1).
About this color
#57375D is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.074 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.063 away. White text reads best on it, at 9.95:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.10:1 |
| White text | 9.95:1 |
Values
| HEX | #57375D |
| RGB | rgb(87, 55, 93) |
| HSL | hsl(291, 26%, 29%) |
| OKLCH | oklch(39% 0.074 321.1) |
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 #57375D | 9.95:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #57375D | 2.10:1 | Fails | Lc 11.0 | Not readable |
| #57375D text on white | 9.95:1 | AAA | Lc 93.0 | Preferred for body text |
| #57375D text on black | 2.10:1 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E3D3E6
oklch(88.5% 0.031 320.9)
-
Step 300
300
#D2B5D7
oklch(80.9% 0.057 321.3)
-
Step 400
400
#BA8EC2
oklch(70.6% 0.089 321.2)
-
Step 500
500
#A971B3
oklch(63.1% 0.115 321.3)
-
Step 600
600
#94599F
oklch(55.7% 0.124 321.1)
-
Step 700
700
#7E4888
oklch(49.1% 0.116 321.2)
-
Step 800
800
#663C6E
oklch(42.7% 0.094 321)
-
Step 900
900 (this color)
#57375D
oklch(39% 0.074 321.1)
-
Step 950
950
#311E34
oklch(26.9% 0.048 321.9)
#57375D 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) | #32405E | 0.065 |
| Deuteranopia (no green cones) | #3A445C | 0.060 |
| Tritanopia (no blue cones) | #583B45 | 0.046 |
| Achromatopsia (no color) | #434343 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57375D
#57375D
oklch(39% 0.074 321.1)
- #2D4F28
#2D4F28
oklch(39.1% 0.075 141.2)
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 #57375D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.063
- Grape Purple #5D1451 ΔE 0.076
- Brownish Purple #76424E ΔE 0.079
- Charcoal Grey #3C4142 ΔE 0.079
- Dark Slate Blue #483D8B ΔE 0.081
- Dark Grey Blue #29465B ΔE 0.082
- Onyx #343A40 ΔE 0.084
- Dusk #4E5481 ΔE 0.089
Use #57375D 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.