#045881
Closest named color: Deep Sea Blue (#015482). oklch(43.8% 0.097 238.9), rgb(4, 88, 129).
Aa
White text reads best on this color (7.72:1).
About this color
#045881 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.097 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.013 away. White text reads best on it, at 7.72:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.71:1 |
| White text | 7.72:1 |
Values
| HEX | #045881 |
| RGB | rgb(4, 88, 129) |
| HSL | hsl(200, 94%, 26%) |
| OKLCH | oklch(43.8% 0.097 238.9) |
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 #045881 | 7.72:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #045881 | 2.71:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #045881 text on white | 7.72:1 | AAA | Lc 86.3 | Fine for body text |
| #045881 text on black | 2.71:1 | Fails | Lc -15.8 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C7DDEC
oklch(88.6% 0.031 237.6)
-
Step 300
300
#A0C6E2
oklch(80.8% 0.057 240.3)
-
Step 400
400
#69A9D3
oklch(70.8% 0.09 238.6)
-
Step 500
500
#3992C7
oklch(63% 0.115 238.8)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800 (this color)
#045881
oklch(43.8% 0.097 238.9)
-
Step 900
900
#104665
oklch(37.6% 0.076 239.3)
-
Step 950
950
#0C293B
oklch(26.9% 0.048 239.4)
#045881 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) | #445883 | 0.051 |
| Deuteranopia (no green cones) | #344E80 | 0.040 |
| Tritanopia (no blue cones) | #006266 | 0.063 |
| Achromatopsia (no color) | #535353 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045881
#045881
oklch(43.8% 0.097 238.9)
- #78430D
#78430D
oklch(43.9% 0.096 59.5)
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 #045881, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.013
- Light Navy #155084 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.030
- Dusk Blue #26538D ΔE 0.032
- YInMn Blue #415A77 ΔE 0.049
- Petrol #005F6A ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.051
- Peacock Blue #016795 ΔE 0.051
Use #045881 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.