#055774
Closest named color: Deep Sea Blue (#015482). oklch(42.8% 0.083 230), rgb(5, 87, 116).
Aa
White text reads best on this color (8.00:1).
About this color
#055774 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.083 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.028 away. White text reads best on it, at 8.00:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #055774 |
| RGB | rgb(5, 87, 116) |
| HSL | hsl(196, 92%, 24%) |
| OKLCH | oklch(42.8% 0.083 230) |
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 #055774 | 8.00:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #055774 | 2.62:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #055774 text on white | 8.00:1 | AAA | Lc 87.3 | Fine for body text |
| #055774 text on black | 2.62:1 | Fails | Lc -14.8 | 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 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
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A1C7DA
oklch(80.8% 0.049 229.7)
-
Step 400
400
#6BAAC8
oklch(70.7% 0.078 229.8)
-
Step 500
500
#3E94BA
oklch(63% 0.1 230.3)
-
Step 600
600
#0B7EA6
oklch(55.6% 0.108 229.9)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800 (this color)
#055774
oklch(42.8% 0.083 230)
-
Step 900
900
#13485D
oklch(37.8% 0.065 228.9)
-
Step 950
950
#0E2A37
oklch(27% 0.041 231.2)
#055774 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) | #485675 | 0.057 |
| Deuteranopia (no green cones) | #3A4C74 | 0.049 |
| Tritanopia (no blue cones) | #005F61 | 0.047 |
| Achromatopsia (no color) | #505050 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #055774
#055774
oklch(42.8% 0.083 230)
- #734022
#734022
oklch(42.8% 0.083 49.6)
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 #055774, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.028
- Petrol #005F6A ΔE 0.035
- Light Navy #155084 ΔE 0.039
- Deep Teal #00555A ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.050
- Dusk Blue #26538D ΔE 0.051
- Dark Grey Blue #29465B ΔE 0.059
Use #055774 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.