#545581
Closest named color: Dusk (#4E5481). oklch(46.8% 0.071 282.3), rgb(84, 85, 129).
Aa
White text reads best on this color (7.01:1).
About this color
#545581 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.071 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.010 away. White text reads best on it, at 7.01:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #545581 |
| RGB | rgb(84, 85, 129) |
| HSL | hsl(239, 21%, 42%) |
| OKLCH | oklch(46.8% 0.071 282.3) |
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 #545581 | 7.01:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #545581 | 2.99:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #545581 text on white | 7.01:1 | AAA | Lc 84.3 | Fine for body text |
| #545581 text on black | 2.99:1 | Fails | Lc -17.7 | 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 700.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D7D8E6
oklch(88.6% 0.019 282.7)
-
Step 300
300
#BDBED7
oklch(80.9% 0.035 283.8)
-
Step 400
400
#9B9DC3
oklch(70.8% 0.055 282.5)
-
Step 500
500
#8284B3
oklch(62.9% 0.07 282.3)
-
Step 600
600
#6C6E9F
oklch(55.6% 0.076 281.8)
-
Step 700
700 (this color)
#545581
oklch(46.8% 0.071 282.3)
-
Step 800
800
#4A4B6E
oklch(42.7% 0.058 282.4)
-
Step 900
900
#3E3F59
oklch(37.8% 0.044 282.4)
-
Step 950
950
#242534
oklch(27% 0.028 281.4)
#545581 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) | #485A83 | 0.021 |
| Deuteranopia (no green cones) | #465780 | 0.021 |
| Tritanopia (no blue cones) | #485D65 | 0.061 |
| Achromatopsia (no color) | #595959 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #545581
#545581
oklch(46.8% 0.071 282.3)
- #625C29
#625C29
oklch(46.9% 0.071 102.6)
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 #545581, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.010
- Dusty Grape #545775 ΔE 0.022
- Twilight #4E518B ΔE 0.024
- YInMn Blue #415A77 ΔE 0.036
- Dusky Blue #475F94 ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.041
- Denim #3B638C ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.048
Use #545581 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.