#045493
Closest named color: Dusk Blue (#26538D). oklch(44% 0.123 250.4), rgb(4, 84, 147).
Aa
White text reads best on this color (7.79:1).
About this color
#045493 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.123 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.019 away. White text reads best on it, at 7.79:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.69:1 |
| White text | 7.79:1 |
Values
| HEX | #045493 |
| RGB | rgb(4, 84, 147) |
| HSL | hsl(206, 95%, 30%) |
| OKLCH | oklch(44% 0.123 250.4) |
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 #045493 | 7.79:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #045493 | 2.69:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #045493 text on white | 7.79:1 | AAA | Lc 86.5 | Fine for body text |
| #045493 text on black | 2.69:1 | Fails | Lc -15.6 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C6DCF3
oklch(88.5% 0.04 249.5)
-
Step 300
300
#9EC5EE
oklch(81% 0.072 250)
-
Step 400
400
#66A5E6
oklch(70.6% 0.116 250.5)
-
Step 500
500
#378DDE
oklch(63.1% 0.147 250.3)
-
Step 600
600
#0075CC
oklch(55.6% 0.16 250.6)
-
Step 700
700
#0062AC
oklch(49% 0.141 250.5)
-
Step 800
800 (this color)
#045493
oklch(44% 0.123 250.4)
-
Step 900
900
#0F4372
oklch(37.6% 0.096 250.5)
-
Step 950
950
#0B2843
oklch(27.1% 0.061 249.8)
#045493 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) | #345995 | 0.037 |
| Deuteranopia (no green cones) | #1A4D92 | 0.020 |
| Tritanopia (no blue cones) | #00636C | 0.089 |
| Achromatopsia (no color) | #525252 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045493
#045493
oklch(44% 0.123 250.4)
- #734700
#734700
oklch(43.9% 0.095 69.8)
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 #045493, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.019
- Light Navy #155084 ΔE 0.025
- Deep Sea Blue #015482 ΔE 0.029
- Cobalt #1E488F ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.047
- Peacock Blue #016795 ΔE 0.057
- Twilight Blue #0A437A ΔE 0.061
Use #045493 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.