#044B66
Closest named color: Dark Grey Blue (#29465B). oklch(38.8% 0.077 231.5), rgb(4, 75, 102).
Aa
White text reads best on this color (9.53:1).
About this color
#044B66 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.077 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.029 away. White text reads best on it, at 9.53:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #044B66 |
| RGB | rgb(4, 75, 102) |
| HSL | hsl(197, 92%, 21%) |
| OKLCH | oklch(38.8% 0.077 231.5) |
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 #044B66 | 9.53:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #044B66 | 2.20:1 | Fails | Lc 12.3 | Not readable |
| #044B66 text on white | 9.53:1 | AAA | Lc 91.6 | Preferred for body text |
| #044B66 text on black | 2.20:1 | Fails | Lc -10.8 | 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
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DDEB
oklch(88.4% 0.032 233.3)
-
Step 300
300
#9BC8E0
oklch(80.9% 0.058 231.7)
-
Step 400
400
#60ABD0
oklch(70.7% 0.092 231.5)
-
Step 500
500
#2495C4
oklch(63.1% 0.118 231.7)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900 (this color)
#044B66
oklch(38.8% 0.077 231.5)
-
Step 950
950
#072A3A
oklch(26.9% 0.049 232.7)
#044B66 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) | #3D4A67 | 0.050 |
| Deuteranopia (no green cones) | #314266 | 0.042 |
| Tritanopia (no blue cones) | #005254 | 0.044 |
| Achromatopsia (no color) | #454545 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #044B66
#044B66
oklch(38.8% 0.077 231.5)
- #64371A
#64371A
oklch(38.7% 0.077 51.4)
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 #044B66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Charcoal #264653 ΔE 0.036
- Deep Teal #00555A ΔE 0.044
- Dark Teal #014D4E ΔE 0.045
- Twilight Blue #0A437A ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.050
- Light Navy #155084 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.053
Use #044B66 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.