#57456F
Closest named color: Dusk (#4E5481). oklch(42.7% 0.071 303.2), rgb(87, 69, 111).
Aa
White text reads best on this color (8.44:1).
About this color
#57456F is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.071 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.047 away. White text reads best on it, at 8.44:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #57456F |
| RGB | rgb(87, 69, 111) |
| HSL | hsl(266, 23%, 35%) |
| OKLCH | oklch(42.7% 0.071 303.2) |
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 #57456F | 8.44:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #57456F | 2.48:1 | Fails | Lc 14.9 | Not readable |
| #57456F text on white | 8.44:1 | AAA | Lc 89.0 | Fine for body text |
| #57456F text on black | 2.48:1 | Fails | Lc -13.2 | 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 800.
-
Step 50
50
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DCD6E6
oklch(88.6% 0.023 302.9)
-
Step 300
300
#C6BBD7
oklch(81% 0.041 303.3)
-
Step 400
400
#A997C3
oklch(70.7% 0.066 303.4)
-
Step 500
500
#947DB4
oklch(63.1% 0.085 303.2)
-
Step 600
600
#7E65A0
oklch(55.5% 0.093 303)
-
Step 700
700
#6B5489
oklch(49.1% 0.086 303.3)
-
Step 800
800 (this color)
#57456F
oklch(42.7% 0.071 303.2)
-
Step 900
900
#483A5A
oklch(37.7% 0.056 303.9)
-
Step 950
950
#2A2235
oklch(27% 0.036 303.4)
#57456F 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) | #3C4D71 | 0.046 |
| Deuteranopia (no green cones) | #3F4D6E | 0.043 |
| Tritanopia (no blue cones) | #534C55 | 0.055 |
| Achromatopsia (no color) | #4D4D4D | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57456F
#57456F
oklch(42.7% 0.071 303.2)
- #475527
#475527
oklch(42.6% 0.071 123.4)
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 #57456F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.047
- Dusty Grape #545775 ΔE 0.051
- Twilight #4E518B ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.062
- YInMn Blue #415A77 ΔE 0.065
- Blueberry #464196 ΔE 0.074
- Brownish Purple #76424E ΔE 0.077
- Light Navy Blue #2E5A88 ΔE 0.079
Use #57456F 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.