#574D78
Closest named color: Dusk (#4E5481). oklch(44.9% 0.07 294.1), rgb(87, 77, 120).
Aa
White text reads best on this color (7.66:1).
About this color
#574D78 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.070 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.024 away. White text reads best on it, at 7.66:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.070) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #574D78 |
| RGB | rgb(87, 77, 120) |
| HSL | hsl(254, 22%, 39%) |
| OKLCH | oklch(44.9% 0.07 294.1) |
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 #574D78 | 7.66:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #574D78 | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #574D78 text on white | 7.66:1 | AAA | Lc 86.6 | Fine for body text |
| #574D78 text on black | 2.73:1 | Fails | Lc -15.5 | Dividers and decoration only |
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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#D9D7E7
oklch(88.6% 0.022 291.7)
-
Step 300
300
#C1BCD9
oklch(80.9% 0.041 293.4)
-
Step 400
400
#A299C6
oklch(70.6% 0.066 293.8)
-
Step 500
500
#8C80B7
oklch(63.1% 0.082 293.9)
-
Step 600
600
#7668A3
oklch(55.5% 0.091 294.1)
-
Step 700
700
#63578C
oklch(49.1% 0.084 293.5)
-
Step 800
800 (this color)
#574D78
oklch(44.9% 0.07 294.1)
-
Step 900
900
#433C5C
oklch(37.7% 0.054 293.7)
-
Step 950
950
#272336
oklch(27% 0.035 293.6)
#574D78 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) | #42547A | 0.035 |
| Deuteranopia (no green cones) | #435377 | 0.034 |
| Tritanopia (no blue cones) | #50545D | 0.057 |
| Achromatopsia (no color) | #535353 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #574D78
#574D78
oklch(44.9% 0.07 294.1)
- #545929
#545929
oklch(44.8% 0.07 114.1)
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 #574D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.024
- Dusty Grape #545775 ΔE 0.031
- Twilight #4E518B ΔE 0.033
- YInMn Blue #415A77 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.060
- Dusky Blue #475F94 ΔE 0.062
- Light Navy Blue #2E5A88 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.066
Use #574D78 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.