#57406F
Closest named color: Dark Slate Blue (#483D8B). oklch(41.7% 0.08 305.7), rgb(87, 64, 111).
Aa
White text reads best on this color (8.86:1).
About this color
#57406F is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.080 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.056 away. White text reads best on it, at 8.86:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.36:1 |
| White text | 8.86:1 |
Values
| HEX | #57406F |
| RGB | rgb(87, 64, 111) |
| HSL | hsl(269, 27%, 34%) |
| OKLCH | oklch(41.7% 0.08 305.7) |
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 #57406F | 8.86:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #57406F | 2.36:1 | Fails | Lc 13.8 | Not readable |
| #57406F text on white | 8.86:1 | AAA | Lc 90.2 | Preferred for body text |
| #57406F text on black | 2.36:1 | Fails | Lc -12.1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E7
oklch(88.5% 0.026 305.8)
-
Step 300
300
#C8B9D9
oklch(80.8% 0.047 306.5)
-
Step 400
400
#AC95C6
oklch(70.7% 0.075 305.9)
-
Step 500
500
#987AB8
oklch(63.1% 0.097 306)
-
Step 600
600
#8262A4
oklch(55.5% 0.105 305.6)
-
Step 700
700
#6E518C
oklch(49% 0.097 305.8)
-
Step 800
800 (this color)
#57406F
oklch(41.7% 0.08 305.7)
-
Step 900
900
#4A395C
oklch(37.8% 0.062 305.9)
-
Step 950
950
#2B2136
oklch(26.9% 0.04 305.7)
#57406F 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) | #354971 | 0.057 |
| Deuteranopia (no green cones) | #3A4A6E | 0.052 |
| Tritanopia (no blue cones) | #534752 | 0.059 |
| Achromatopsia (no color) | #4A4A4A | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57406F
#57406F
oklch(41.7% 0.08 305.7)
- #42541F
#42541F
oklch(41.8% 0.08 125.5)
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 #57406F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.056
- Dusk #4E5481 ΔE 0.058
- Twilight #4E518B ΔE 0.059
- Dusty Grape #545775 ΔE 0.065
- Blueberry #464196 ΔE 0.071
- YInMn Blue #415A77 ΔE 0.078
- Brownish Purple #76424E ΔE 0.082
- Purple Brown #673A3F ΔE 0.082
Use #57406F 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.