#454B7D
Closest named color: Dusk (#4E5481). oklch(43.1% 0.083 277.1), rgb(69, 75, 125).
Aa
White text reads best on this color (8.21:1).
About this color
#454B7D is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.083 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.031 away. White text reads best on it, at 8.21:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #454B7D |
| RGB | rgb(69, 75, 125) |
| HSL | hsl(234, 29%, 38%) |
| OKLCH | oklch(43.1% 0.083 277.1) |
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 #454B7D | 8.21:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #454B7D | 2.55:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #454B7D text on white | 8.21:1 | AAA | Lc 88.3 | Fine for body text |
| #454B7D text on black | 2.55:1 | Fails | Lc -13.8 | 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
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B8BEE0
oklch(80.8% 0.048 277.4)
-
Step 400
400
#949DD1
oklch(70.8% 0.077 276.6)
-
Step 500
500
#7A83C5
oklch(63% 0.1 277.2)
-
Step 600
600
#646CB1
oklch(55.5% 0.107 277.3)
-
Step 700
700
#535A99
oklch(49.1% 0.101 277.2)
-
Step 800
800 (this color)
#454B7D
oklch(43.1% 0.083 277.1)
-
Step 900
900
#393E64
oklch(37.7% 0.065 277.1)
-
Step 950
950
#21243A
oklch(26.8% 0.041 277.3)
#454B7D 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) | #39517F | 0.022 |
| Deuteranopia (no green cones) | #354D7C | 0.022 |
| Tritanopia (no blue cones) | #33555E | 0.072 |
| Achromatopsia (no color) | #4F4F4F | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454B7D
#454B7D
oklch(43.1% 0.083 277.1)
- #5D500D
#5D500D
oklch(43.2% 0.083 97.3)
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 #454B7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.031
- Twilight #4E518B ΔE 0.031
- Dusk Blue #26538D ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.048
- YInMn Blue #415A77 ΔE 0.049
- Dusty Grape #545775 ΔE 0.049
- Light Navy #155084 ΔE 0.050
Use #454B7D 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.