#055476
Closest named color: Deep Sea Blue (#015482). oklch(42.1% 0.087 235.1), rgb(5, 84, 118).
Aa
White text reads best on this color (8.28:1).
About this color
#055476 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.087 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.020 away. White text reads best on it, at 8.28:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #055476 |
| RGB | rgb(5, 84, 118) |
| HSL | hsl(198, 92%, 24%) |
| OKLCH | oklch(42.1% 0.087 235.1) |
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 #055476 | 8.28:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #055476 | 2.53:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #055476 text on white | 8.28:1 | AAA | Lc 88.1 | Fine for body text |
| #055476 text on black | 2.53:1 | Fails | Lc -14.0 | 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 800.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDEA
oklch(88.6% 0.029 234.9)
-
Step 300
300
#A1C7DD
oklch(80.9% 0.051 233.6)
-
Step 400
400
#6CA9CD
oklch(70.7% 0.082 235.5)
-
Step 500
500
#3F93BF
oklch(63.1% 0.104 234.7)
-
Step 600
600
#127DAC
oklch(55.7% 0.113 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800 (this color)
#055476
oklch(42.1% 0.087 235.1)
-
Step 900
900
#144760
oklch(37.7% 0.068 234.3)
-
Step 950
950
#0E2A38
oklch(27.1% 0.042 233.2)
#055476 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) | #435478 | 0.052 |
| Deuteranopia (no green cones) | #354A75 | 0.043 |
| Tritanopia (no blue cones) | #005D60 | 0.054 |
| Achromatopsia (no color) | #4E4E4E | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #055476
#055476
oklch(42.1% 0.087 235.1)
- #713F17
#713F17
oklch(42.1% 0.087 55.6)
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 #055476, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.020
- Light Navy #155084 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.045
- Dusk Blue #26538D ΔE 0.045
- Petrol #005F6A ΔE 0.045
- Deep Teal #00555A ΔE 0.050
- YInMn Blue #415A77 ΔE 0.054
- Twilight Blue #0A437A ΔE 0.054
Use #055476 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.