#574B73
Closest named color: Dusk (#4E5481). oklch(44.2% 0.066 297.4), rgb(87, 75, 115).
Aa
White text reads best on this color (7.89:1).
About this color
#574B73 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.066 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.032 away. White text reads best on it, at 7.89:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.65:1 |
| White text | 7.89:1 |
Values
| HEX | #574B73 |
| RGB | rgb(87, 75, 115) |
| HSL | hsl(258, 21%, 37%) |
| OKLCH | oklch(44.2% 0.066 297.4) |
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 #574B73 | 7.89:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #574B73 | 2.65:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #574B73 text on white | 7.89:1 | AAA | Lc 87.4 | Fine for body text |
| #574B73 text on black | 2.65:1 | Fails | Lc -14.8 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#DAD6E6
oklch(88.4% 0.022 297.4)
-
Step 300
300
#C3BCD7
oklch(80.9% 0.038 297.4)
-
Step 400
400
#A499C3
oklch(70.7% 0.062 296.8)
-
Step 500
500
#8F7FB4
oklch(63.1% 0.08 297.9)
-
Step 600
600
#79689F
oklch(55.5% 0.086 297.8)
-
Step 700
700
#665788
oklch(49.2% 0.079 297.5)
-
Step 800
800 (this color)
#574B73
oklch(44.2% 0.066 297.4)
-
Step 900
900
#453C5A
oklch(37.8% 0.051 297.7)
-
Step 950
950
#282334
oklch(26.9% 0.032 297.7)
#574B73 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) | #415175 | 0.036 |
| Deuteranopia (no green cones) | #435172 | 0.034 |
| Tritanopia (no blue cones) | #52515A | 0.051 |
| Achromatopsia (no color) | #515151 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #574B73
#574B73
oklch(44.2% 0.066 297.4)
- #50582C
#50582C
oklch(44.2% 0.066 117.7)
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 #574B73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.032
- Dusty Grape #545775 ΔE 0.035
- Twilight #4E518B ΔE 0.041
- YInMn Blue #415A77 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.067
- Denim Blue #3B5B92 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.067
- Dusky Blue #475F94 ΔE 0.070
Use #574B73 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.