#04446D
Closest named color: Twilight Blue (#0A437A). oklch(37.3% 0.091 244.8), rgb(4, 68, 109).
Aa
White text reads best on this color (10.22:1).
About this color
#04446D is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.091 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.024 away. White text reads best on it, at 10.22:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.05:1 |
| White text | 10.22:1 |
Values
| HEX | #04446D |
| RGB | rgb(4, 68, 109) |
| HSL | hsl(203, 93%, 22%) |
| OKLCH | oklch(37.3% 0.091 244.8) |
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 #04446D | 10.22:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #04446D | 2.05:1 | Fails | Lc 10.7 | Not readable |
| #04446D text on white | 10.22:1 | AAA | Lc 93.3 | Preferred for body text |
| #04446D text on black | 2.05:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C5DCF1
oklch(88.4% 0.038 245.8)
-
Step 300
300
#9CC6EA
oklch(80.9% 0.068 244.6)
-
Step 400
400
#62A7E0
oklch(70.6% 0.109 245.1)
-
Step 500
500
#2C90D7
oklch(63.1% 0.139 244.7)
-
Step 600
600
#0079BE
oklch(55.6% 0.139 244.6)
-
Step 700
700
#0065A1
oklch(49% 0.124 245.1)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900 (this color)
#04446D
oklch(37.3% 0.091 244.8)
-
Step 950
950
#082940
oklch(27% 0.057 243.6)
#04446D 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) | #30466F | 0.037 |
| Deuteranopia (no green cones) | #213D6C | 0.026 |
| Tritanopia (no blue cones) | #004E53 | 0.063 |
| Achromatopsia (no color) | #414141 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04446D
#04446D
oklch(37.3% 0.091 244.8)
- #5E3500
#5E3500
oklch(37.2% 0.084 64.5)
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 #04446D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.024
- Marine Blue #01386A ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.042
- Charcoal #264653 ΔE 0.051
- Light Navy #155084 ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.057
Use #04446D 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.