#045793
Closest named color: Dusk Blue (#26538D). oklch(44.7% 0.12 248.6), rgb(4, 87, 147).
Aa
White text reads best on this color (7.52:1).
About this color
#045793 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.120 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.020 away. White text reads best on it, at 7.52:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.78:1 |
| White text | 7.52:1 |
Values
| HEX | #045793 |
| RGB | rgb(4, 87, 147) |
| HSL | hsl(205, 95%, 30%) |
| OKLCH | oklch(44.7% 0.12 248.6) |
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 #045793 | 7.52:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #045793 | 2.78:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #045793 text on white | 7.52:1 | AAA | Lc 85.6 | Fine for body text |
| #045793 text on black | 2.78:1 | Fails | Lc -16.5 | 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
#358EDB
oklch(63.1% 0.143 248.5)
-
Step 600
600
#0077C7
oklch(55.7% 0.152 248.5)
-
Step 700
700
#0064A8
oklch(49.2% 0.133 248.3)
-
Step 800
800 (this color)
#045793
oklch(44.7% 0.12 248.6)
-
Step 900
900
#0D4470
oklch(37.7% 0.093 248.2)
-
Step 950
950
#0B2842
oklch(27% 0.059 248.9)
#045793 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) | #395B95 | 0.040 |
| Deuteranopia (no green cones) | #224F92 | 0.024 |
| Tritanopia (no blue cones) | #00666E | 0.086 |
| Achromatopsia (no color) | #545454 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045793
#045793
oklch(44.7% 0.12 248.6)
- #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 #045793, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.020
- Deep Sea Blue #015482 ΔE 0.029
- Light Navy #155084 ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.042
- Cobalt #1E488F ΔE 0.042
- Peacock Blue #016795 ΔE 0.048
- Denim #3B638C ΔE 0.058
Use #045793 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.