#57375A
Closest named color: Purple Brown (#673A3F). oklch(38.9% 0.07 323.8), rgb(87, 55, 90).
Aa
White text reads best on this color (10.00:1).
About this color
#57375A is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.070 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.059 away. White text reads best on it, at 10.00:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.070) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #57375A |
| RGB | rgb(87, 55, 90) |
| HSL | hsl(295, 24%, 28%) |
| OKLCH | oklch(38.9% 0.07 323.8) |
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 #57375A | 10.00:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #57375A | 2.09:1 | Fails | Lc 10.8 | Not readable |
| #57375A text on white | 10.00:1 | AAA | Lc 93.1 | Preferred for body text |
| #57375A text on black | 2.09:1 | Fails | Lc -9.4 | 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
#E3D3E4
oklch(88.5% 0.029 324)
-
Step 300
300
#D2B6D4
oklch(81% 0.052 324)
-
Step 400
400
#BB8FBF
oklch(70.8% 0.084 323.7)
-
Step 500
500
#A972AF
oklch(63% 0.108 323.3)
-
Step 600
600
#945A9A
oklch(55.6% 0.116 323.6)
-
Step 700
700
#7E4984
oklch(49% 0.11 323.3)
-
Step 800
800
#673C6B
oklch(42.7% 0.091 323.9)
-
Step 900
900 (this color)
#57375A
oklch(38.9% 0.07 323.8)
-
Step 950
950
#311F33
oklch(27.1% 0.044 323.2)
#57375A 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) | #34405B | 0.063 |
| Deuteranopia (no green cones) | #3C4459 | 0.058 |
| Tritanopia (no blue cones) | #583B44 | 0.043 |
| Achromatopsia (no color) | #424242 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57375A
#57375A
oklch(38.9% 0.07 323.8)
- #2C4E2B
#2C4E2B
oklch(38.8% 0.07 143.5)
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 #57375A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.076
- Brownish Purple #76424E ΔE 0.077
- Onyx #343A40 ΔE 0.081
- Dark Grey Blue #29465B ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.085
- Charcoal #264653 ΔE 0.089
Use #57375A 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.