#045489
Closest named color: Deep Sea Blue (#015482). oklch(43.3% 0.11 246.5), rgb(4, 84, 137).
Aa
White text reads best on this color (7.97:1).
About this color
#045489 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.110 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.012 away. White text reads best on it, at 7.97:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #045489 |
| RGB | rgb(4, 84, 137) |
| HSL | hsl(204, 94%, 28%) |
| OKLCH | oklch(43.3% 0.11 246.5) |
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 #045489 | 7.97:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #045489 | 2.63:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #045489 text on white | 7.97:1 | AAA | Lc 87.1 | Fine for body text |
| #045489 text on black | 2.63:1 | Fails | Lc -15.0 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCF0
oklch(88.5% 0.036 246.9)
-
Step 300
300
#9FC5E8
oklch(80.8% 0.064 246.5)
-
Step 400
400
#68A7DD
oklch(70.7% 0.103 245.8)
-
Step 500
500
#3A8FD4
oklch(63% 0.132 246.6)
-
Step 600
600
#0378C1
oklch(55.6% 0.143 246.3)
-
Step 700
700
#0065A4
oklch(49.2% 0.127 246.3)
-
Step 800
800 (this color)
#045489
oklch(43.3% 0.11 246.5)
-
Step 900
900
#11456C
oklch(37.8% 0.085 246)
-
Step 950
950
#0C283F
oklch(26.8% 0.055 246.6)
#045489 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) | #3A578B | 0.041 |
| Deuteranopia (no green cones) | #264C88 | 0.027 |
| Tritanopia (no blue cones) | #006168 | 0.077 |
| Achromatopsia (no color) | #515151 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045489
#045489
oklch(43.3% 0.11 246.5)
- #734400
#734400
oklch(43.3% 0.096 66.6)
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 #045489, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.012
- Light Navy #155084 ΔE 0.013
- Dusk Blue #26538D ΔE 0.020
- Light Navy Blue #2E5A88 ΔE 0.034
- Cobalt #1E488F ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.050
- Twilight Blue #0A437A ΔE 0.053
- Peacock Blue #016795 ΔE 0.057
Use #045489 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.