#574F81
Closest named color: Dusk (#4E5481). oklch(45.8% 0.08 290.2), rgb(87, 79, 129).
Aa
White text reads best on this color (7.39:1).
About this color
#574F81 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.080 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.019 away. White text reads best on it, at 7.39:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.84:1 |
| White text | 7.39:1 |
Values
| HEX | #574F81 |
| RGB | rgb(87, 79, 129) |
| HSL | hsl(250, 24%, 41%) |
| OKLCH | oklch(45.8% 0.08 290.2) |
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 #574F81 | 7.39:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #574F81 | 2.84:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #574F81 text on white | 7.39:1 | AAA | Lc 85.6 | Fine for body text |
| #574F81 text on black | 2.84:1 | Fails | Lc -16.4 | 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
#E9E8F3
oklch(93.5% 0.015 290.3)
-
Step 200
200
#D8D7EA
oklch(88.6% 0.026 288.3)
-
Step 300
300
#C0BCDE
oklch(80.9% 0.048 290.7)
-
Step 400
400
#A099CD
oklch(70.8% 0.075 290.5)
-
Step 500
500
#897FC0
oklch(63.1% 0.097 290.4)
-
Step 600
600
#7368AC
oklch(55.7% 0.104 290)
-
Step 700
700
#615694
oklch(49.2% 0.098 290.5)
-
Step 800
800 (this color)
#574F81
oklch(45.8% 0.08 290.2)
-
Step 900
900
#413B61
oklch(37.6% 0.064 290.2)
-
Step 950
950
#262339
oklch(27% 0.04 289.7)
#574F81 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) | #405683 | 0.037 |
| Deuteranopia (no green cones) | #415480 | 0.034 |
| Tritanopia (no blue cones) | #4D5862 | 0.067 |
| Achromatopsia (no color) | #565656 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #574F81
#574F81
oklch(45.8% 0.08 290.2)
- #5A5B20
#5A5B20
oklch(45.7% 0.08 110.1)
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 #574F81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.019
- Twilight #4E518B ΔE 0.021
- Dusty Grape #545775 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.051
- Dusky Blue #475F94 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.062
Use #574F81 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.