#045792
Closest named color: Dusk Blue (#26538D). oklch(44.6% 0.119 248.2), rgb(4, 87, 146).
Aa
White text reads best on this color (7.54:1).
About this color
#045792 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.119 and its hue 248°. 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 7.54:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.78:1 |
| White text | 7.54:1 |
Values
| HEX | #045792 |
| RGB | rgb(4, 87, 146) |
| HSL | hsl(205, 95%, 29%) |
| OKLCH | oklch(44.6% 0.119 248.2) |
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 #045792 | 7.54:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #045792 | 2.78:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #045792 text on white | 7.54:1 | AAA | Lc 85.6 | Fine for body text |
| #045792 text on black | 2.78:1 | Fails | Lc -16.4 | 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
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C6DCF2
oklch(88.5% 0.038 248.3)
-
Step 300
300
#9EC5EC
oklch(80.9% 0.069 248.7)
-
Step 400
400
#66A6E3
oklch(70.7% 0.112 248.6)
-
Step 500
500
#358EDA
oklch(63% 0.142 248.2)
-
Step 600
600
#0077C6
oklch(55.6% 0.15 248.2)
-
Step 700
700
#0064A7
oklch(49.1% 0.132 247.9)
-
Step 800
800 (this color)
#045792
oklch(44.6% 0.119 248.2)
-
Step 900
900
#0D4470
oklch(37.7% 0.093 248.2)
-
Step 950
950
#0B2841
oklch(26.9% 0.058 248)
#045792 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) | #3A5B94 | 0.041 |
| Deuteranopia (no green cones) | #234F91 | 0.025 |
| Tritanopia (no blue cones) | #00656D | 0.084 |
| Achromatopsia (no color) | #545454 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045792
#045792
oklch(44.6% 0.119 248.2)
- #774800
#774800
oklch(44.6% 0.098 68.1)
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 #045792, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.019
- Deep Sea Blue #015482 ΔE 0.027
- Light Navy #155084 ΔE 0.028
- Light Navy Blue #2E5A88 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.042
- Cobalt #1E488F ΔE 0.042
- Peacock Blue #016795 ΔE 0.048
- Denim #3B638C ΔE 0.057
Use #045792 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.