#044779
Closest named color: Twilight Blue (#0A437A). oklch(38.9% 0.104 248.6), rgb(4, 71, 121).
Aa
White text reads best on this color (9.62:1).
About this color
#044779 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.104 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.012 away. White text reads best on it, at 9.62:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.18:1 |
| White text | 9.62:1 |
Values
| HEX | #044779 |
| RGB | rgb(4, 71, 121) |
| HSL | hsl(206, 94%, 25%) |
| OKLCH | oklch(38.9% 0.104 248.6) |
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 #044779 | 9.62:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #044779 | 2.18:1 | Fails | Lc 12.2 | Not readable |
| #044779 text on white | 9.62:1 | AAA | Lc 91.8 | Preferred for body text |
| #044779 text on black | 2.18:1 | Fails | Lc -10.6 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF9
oklch(93.7% 0.022 248.1)
-
Step 200
200
#C4DCF5
oklch(88.5% 0.043 249.4)
-
Step 300
300
#99C5F1
oklch(80.8% 0.078 248.8)
-
Step 400
400
#5DA6EA
oklch(70.6% 0.124 248.4)
-
Step 500
500
#228EE4
oklch(63.1% 0.159 248.5)
-
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
#00518B
oklch(42.6% 0.117 248.8)
-
Step 900
900 (this color)
#044779
oklch(38.9% 0.104 248.6)
-
Step 950
950
#062845
oklch(27% 0.066 248.8)
#044779 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) | #2E4A7B | 0.034 |
| Deuteranopia (no green cones) | #1B4078 | 0.022 |
| Tritanopia (no blue cones) | #00535A | 0.074 |
| Achromatopsia (no color) | #454545 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #044779
#044779
oklch(38.9% 0.104 248.6)
- #623B00
#623B00
oklch(39% 0.085 68.8)
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 #044779, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.012
- Light Navy #155084 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.040
- Cobalt #1E488F ΔE 0.041
- Marine Blue #01386A ΔE 0.050
- Dusk Blue #26538D ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.055
- Charcoal #264653 ΔE 0.067
Use #044779 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.