#454573
Closest named color: Dusk (#4E5481). oklch(41.2% 0.076 282.5), rgb(69, 69, 115).
Aa
White text reads best on this color (8.92:1).
About this color
#454573 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.076 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.049 away. White text reads best on it, at 8.92:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #454573 |
| RGB | rgb(69, 69, 115) |
| HSL | hsl(240, 25%, 36%) |
| OKLCH | oklch(41.2% 0.076 282.5) |
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 #454573 | 8.92:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #454573 | 2.35:1 | Fails | Lc 13.6 | Not readable |
| #454573 text on white | 8.92:1 | AAA | Lc 90.4 | Preferred for body text |
| #454573 text on black | 2.35:1 | Fails | Lc -11.9 | Not readable |
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
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D6D7EA
oklch(88.4% 0.026 283.4)
-
Step 300
300
#BCBEDD
oklch(81% 0.044 282.5)
-
Step 400
400
#999BCC
oklch(70.6% 0.071 282.6)
-
Step 500
500
#8182BF
oklch(63% 0.091 282.7)
-
Step 600
600
#6B6BAB
oklch(55.5% 0.098 282.7)
-
Step 700
700
#595993
oklch(49% 0.092 282.5)
-
Step 800
800 (this color)
#454573
oklch(41.2% 0.076 282.5)
-
Step 900
900
#3D3D60
oklch(37.6% 0.059 283.2)
-
Step 950
950
#242438
oklch(27% 0.037 283.7)
#454573 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) | #364B75 | 0.026 |
| Deuteranopia (no green cones) | #344872 | 0.025 |
| Tritanopia (no blue cones) | #384E56 | 0.067 |
| Achromatopsia (no color) | #4A4A4A | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454573
#454573
oklch(41.2% 0.076 282.5)
- #534C12
#534C12
oklch(41.2% 0.076 102.3)
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 #454573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.049
- Twilight #4E518B ΔE 0.051
- Light Navy #155084 ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.060
- Dusk Blue #26538D ΔE 0.060
- Dusty Grape #545775 ΔE 0.061
- Blueberry #464196 ΔE 0.061
Use #454573 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.