#574F78
Closest named color: Dusk (#4E5481). oklch(45.3% 0.067 292.5), rgb(87, 79, 120).
Aa
White text reads best on this color (7.51:1).
About this color
#574F78 is a medium-dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.067 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.021 away. White text reads best on it, at 7.51:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.79:1 |
| White text | 7.51:1 |
Values
| HEX | #574F78 |
| RGB | rgb(87, 79, 120) |
| HSL | hsl(252, 21%, 39%) |
| OKLCH | oklch(45.3% 0.067 292.5) |
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 #574F78 | 7.51:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #574F78 | 2.79:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #574F78 text on white | 7.51:1 | AAA | Lc 86.1 | Fine for body text |
| #574F78 text on black | 2.79:1 | Fails | Lc -16.0 | 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
#EAE9F1
oklch(93.7% 0.011 291.9)
-
Step 200
200
#D9D7E7
oklch(88.6% 0.022 291.7)
-
Step 300
300
#C1BDD8
oklch(81% 0.038 292.3)
-
Step 400
400
#A19AC5
oklch(70.7% 0.063 292.2)
-
Step 500
500
#8B81B6
oklch(63.2% 0.079 292.6)
-
Step 600
600
#756AA2
oklch(55.7% 0.086 292.4)
-
Step 700
700
#62588A
oklch(49.1% 0.079 292.4)
-
Step 800
800 (this color)
#574F78
oklch(45.3% 0.067 292.5)
-
Step 900
900
#423C5B
oklch(37.6% 0.053 292.6)
-
Step 950
950
#272335
oklch(26.9% 0.033 294.2)
#574F78 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) | #44557A | 0.031 |
| Deuteranopia (no green cones) | #455477 | 0.030 |
| Tritanopia (no blue cones) | #50565E | 0.055 |
| Achromatopsia (no color) | #545454 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #574F78
#574F78
oklch(45.3% 0.067 292.5)
- #565A2C
#565A2C
oklch(45.3% 0.067 113.2)
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 #574F78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.021
- Dusty Grape #545775 ΔE 0.026
- Twilight #4E518B ΔE 0.033
- YInMn Blue #415A77 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.058
- Dusky Blue #475F94 ΔE 0.058
- Light Navy Blue #2E5A88 ΔE 0.060
- Denim #3B638C ΔE 0.065
Use #574F78 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.