#454778
Closest named color: Dusk (#4E5481). oklch(41.9% 0.081 280.5), rgb(69, 71, 120).
Aa
White text reads best on this color (8.65:1).
About this color
#454778 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.081 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.042 away. White text reads best on it, at 8.65:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #454778 |
| RGB | rgb(69, 71, 120) |
| HSL | hsl(238, 27%, 37%) |
| OKLCH | oklch(41.9% 0.081 280.5) |
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 #454778 | 8.65:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #454778 | 2.42:1 | Fails | Lc 14.3 | Not readable |
| #454778 text on white | 8.65:1 | AAA | Lc 89.6 | Fine for body text |
| #454778 text on black | 2.42:1 | Fails | Lc -12.6 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D8EB
oklch(88.6% 0.026 278.7)
-
Step 300
300
#BABEDF
oklch(80.9% 0.047 279.8)
-
Step 400
400
#979CCF
oklch(70.7% 0.075 280)
-
Step 500
500
#7E82C3
oklch(63% 0.097 280.5)
-
Step 600
600
#686BAF
oklch(55.5% 0.105 280.5)
-
Step 700
700
#575997
oklch(49.1% 0.098 280.7)
-
Step 800
800 (this color)
#454778
oklch(41.9% 0.081 280.5)
-
Step 900
900
#3B3D62
oklch(37.6% 0.063 280.5)
-
Step 950
950
#23243A
oklch(27% 0.041 281.3)
#454778 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) | #364D7A | 0.025 |
| Deuteranopia (no green cones) | #334A77 | 0.026 |
| Tritanopia (no blue cones) | #365159 | 0.072 |
| Achromatopsia (no color) | #4B4B4B | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454778
#454778
oklch(41.9% 0.081 280.5)
- #574E0D
#574E0D
oklch(42% 0.081 100.9)
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 #454778, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.042
- Twilight #4E518B ΔE 0.042
- Dark Slate Blue #483D8B ΔE 0.045
- Dusk Blue #26538D ΔE 0.053
- Light Navy #155084 ΔE 0.054
- Blueberry #464196 ΔE 0.055
- Dusty Grape #545775 ΔE 0.057
- YInMn Blue #415A77 ΔE 0.057
Use #454778 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.