#045595
Closest named color: Dusk Blue (#26538D). oklch(44.3% 0.125 250.5), rgb(4, 85, 149).
Aa
White text reads best on this color (7.66:1).
About this color
#045595 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.125 and its hue 250°. 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 7.66:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #045595 |
| RGB | rgb(4, 85, 149) |
| HSL | hsl(206, 95%, 30%) |
| OKLCH | oklch(44.3% 0.125 250.5) |
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 #045595 | 7.66:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #045595 | 2.73:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #045595 text on white | 7.66:1 | AAA | Lc 86.0 | Fine for body text |
| #045595 text on black | 2.73:1 | Fails | Lc -16.0 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C6DCF4
oklch(88.6% 0.041 250.6)
-
Step 300
300
#9EC5EF
oklch(81% 0.073 250.6)
-
Step 400
400
#66A5E7
oklch(70.7% 0.117 250.8)
-
Step 500
500
#368DE0
oklch(63.1% 0.15 250.7)
-
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)
#045595
oklch(44.3% 0.125 250.5)
-
Step 900
900
#0E4373
oklch(37.7% 0.098 250.8)
-
Step 950
950
#0B2843
oklch(27.1% 0.061 249.8)
#045595 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) | #345A98 | 0.037 |
| Deuteranopia (no green cones) | #1A4E94 | 0.020 |
| Tritanopia (no blue cones) | #00656D | 0.092 |
| Achromatopsia (no color) | #535353 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045595
#045595
oklch(44.3% 0.125 250.5)
- #744800
#744800
oklch(44.2% 0.096 70.1)
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 #045595, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.020
- Light Navy #155084 ΔE 0.029
- Deep Sea Blue #015482 ΔE 0.032
- Cobalt #1E488F ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.045
- Peacock Blue #016795 ΔE 0.054
- Denim #3B638C ΔE 0.064
Use #045595 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.