#053873
Closest named color: Marine Blue (#01386A). oklch(34.8% 0.113 256.2), rgb(5, 56, 115).
Aa
White text reads best on this color (11.54:1).
About this color
#053873 is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.113 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.016 away. White text reads best on it, at 11.54:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.81:1 |
| White text | 11.54:1 |
Values
| HEX | #053873 |
| RGB | rgb(5, 56, 115) |
| HSL | hsl(212, 92%, 24%) |
| OKLCH | oklch(34.8% 0.113 256.2) |
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 #053873 | 11.54:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #053873 | 1.81:1 | Fails | Lc 7.9 | Not readable |
| #053873 text on white | 11.54:1 | AAA | Lc 96.0 | Preferred for body text |
| #053873 text on black | 1.81:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C5DBF9
oklch(88.5% 0.048 256.2)
-
Step 300
300
#9DC3F7
oklch(80.8% 0.085 256.3)
-
Step 400
400
#65A2F4
oklch(70.6% 0.137 256.2)
-
Step 500
500
#3788F0
oklch(63.1% 0.175 256.3)
-
Step 600
600
#046FDE
oklch(55.5% 0.189 256.2)
-
Step 700
700
#005DBD
oklch(49.1% 0.169 256.1)
-
Step 800
800
#014C9C
oklch(42.7% 0.146 256.1)
-
Step 900
900 (this color)
#053873
oklch(34.8% 0.113 256.2)
-
Step 950
950
#0B2649
oklch(27% 0.073 256.3)
#053873 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) | #133E75 | 0.021 |
| Deuteranopia (no green cones) | #003572 | 0.010 |
| Tritanopia (no blue cones) | #004650 | 0.084 |
| Achromatopsia (no color) | #393939 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #053873
#053873
oklch(34.8% 0.113 256.2)
- #4F3400
#4F3400
oklch(34.8% 0.073 76.9)
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 #053873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.016
- Twilight Blue #0A437A ΔE 0.034
- Marine #042E60 ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.050
- Cobalt #1E488F ΔE 0.068
- Dark Blue Grey #1F3B4D ΔE 0.071
- Midnight Green #073B4C ΔE 0.072
- Dark Grey Blue #29465B ΔE 0.074
Use #053873 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.