#574D7B
Closest named color: Dusk (#4E5481). oklch(45% 0.075 293.1), rgb(87, 77, 123).
Aa
White text reads best on this color (7.62:1).
About this color
#574D7B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.075 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.023 away. White text reads best on it, at 7.62:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #574D7B |
| RGB | rgb(87, 77, 123) |
| HSL | hsl(253, 23%, 39%) |
| OKLCH | oklch(45% 0.075 293.1) |
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 #574D7B | 7.62:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #574D7B | 2.75:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #574D7B text on white | 7.62:1 | AAA | Lc 86.5 | Fine for body text |
| #574D7B text on black | 2.75:1 | Fails | Lc -15.6 | 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
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#D9D6E8
oklch(88.4% 0.025 293.5)
-
Step 300
300
#C1BCDB
oklch(80.9% 0.044 292.8)
-
Step 400
400
#A299C9
oklch(70.8% 0.07 293.1)
-
Step 500
500
#8B7FBB
oklch(63% 0.09 292.8)
-
Step 600
600
#7668A7
oklch(55.7% 0.097 293.2)
-
Step 700
700
#63568F
oklch(49.1% 0.09 293.3)
-
Step 800
800 (this color)
#574D7B
oklch(45% 0.075 293.1)
-
Step 900
900
#433B5E
oklch(37.6% 0.06 293.8)
-
Step 950
950
#272337
oklch(27% 0.037 292.9)
#574D7B 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) | #40547D | 0.037 |
| Deuteranopia (no green cones) | #42537A | 0.035 |
| Tritanopia (no blue cones) | #4F555E | 0.062 |
| Achromatopsia (no color) | #545454 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #574D7B
#574D7B
oklch(45% 0.075 293.1)
- #555A25
#555A25
oklch(45.1% 0.075 113.9)
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 #574D7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.023
- Twilight #4E518B ΔE 0.029
- Dusty Grape #545775 ΔE 0.034
- YInMn Blue #415A77 ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.058
- Dusky Blue #475F94 ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.063
Use #574D7B 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.