#044566
Closest named color: Dark Grey Blue (#29465B). oklch(37.2% 0.081 238.9), rgb(4, 69, 102).
Aa
White text reads best on this color (10.25:1).
About this color
#044566 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.081 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.033 away. White text reads best on it, at 10.25:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #044566 |
| RGB | rgb(4, 69, 102) |
| HSL | hsl(200, 92%, 21%) |
| OKLCH | oklch(37.2% 0.081 238.9) |
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 #044566 | 10.25:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #044566 | 2.04:1 | Fails | Lc 10.6 | Not readable |
| #044566 text on white | 10.25:1 | AAA | Lc 93.3 | Preferred for body text |
| #044566 text on black | 2.04:1 | Fails | Lc -9.2 | Not readable |
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 900.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DDED
oklch(88.5% 0.033 238.2)
-
Step 300
300
#9DC7E4
oklch(80.9% 0.061 238.6)
-
Step 400
400
#63A9D7
oklch(70.7% 0.098 239)
-
Step 500
500
#2E93CC
oklch(63.2% 0.124 238.6)
-
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
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900 (this color)
#044566
oklch(37.2% 0.081 238.9)
-
Step 950
950
#09293D
oklch(26.9% 0.052 240.5)
#044566 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) | #354567 | 0.043 |
| Deuteranopia (no green cones) | #283D65 | 0.033 |
| Tritanopia (no blue cones) | #004D51 | 0.051 |
| Achromatopsia (no color) | #414141 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #044566
#044566
oklch(37.2% 0.081 238.9)
- #5F3409
#5F3409
oklch(37.2% 0.081 59.3)
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 #044566, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.033
- Twilight Blue #0A437A ΔE 0.037
- Charcoal #264653 ΔE 0.040
- Marine Blue #01386A ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.048
- Midnight Green #073B4C ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.052
- Dark Teal #014D4E ΔE 0.056
Use #044566 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.