#053057
Closest named color: Marine (#042E60). oklch(30.5% 0.083 251.1), rgb(5, 48, 87).
Aa
White text reads best on this color (13.40:1).
About this color
#053057 is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.083 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.018 away. White text reads best on it, at 13.40:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.56:1 |
| White text | 13.40:1 |
Values
| HEX | #053057 |
| RGB | rgb(5, 48, 87) |
| HSL | hsl(209, 89%, 18%) |
| OKLCH | oklch(30.5% 0.083 251.1) |
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 #053057 | 13.40:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #053057 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #053057 text on white | 13.40:1 | AAA | Lc 99.5 | Preferred for body text |
| #053057 text on black | 1.56:1 | 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 950.
-
Step 50
50
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DCECFD
oklch(93.6% 0.029 249.8)
-
Step 200
200
#BFDCFD
oklch(88.4% 0.055 251.8)
-
Step 300
300
#91C5FF
oklch(80.9% 0.099 251.8)
-
Step 400
400
#4BA4FF
oklch(70.6% 0.158 251.5)
-
Step 500
500
#008BF3
oklch(63.1% 0.184 251.1)
-
Step 600
600
#0075CE
oklch(55.7% 0.162 251.1)
-
Step 700
700
#0062AE
oklch(49.1% 0.143 251.1)
-
Step 800
800
#005090
oklch(42.7% 0.125 251.1)
-
Step 900
900
#004279
oklch(37.6% 0.11 251.3)
-
Step 950
950 (this color)
#053057
oklch(30.5% 0.083 251.1)
#053057 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) | #1C3359 | 0.024 |
| Deuteranopia (no green cones) | #0E2C56 | 0.013 |
| Tritanopia (no blue cones) | #00393F | 0.060 |
| Achromatopsia (no color) | #2F2F2F | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #053057
#053057
oklch(30.5% 0.083 251.1)
- #432800
#432800
oklch(30.4% 0.065 70.9)
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 #053057, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.018
- Prussian Blue #1D3557 ΔE 0.028
- Marine Blue #01386A ΔE 0.039
- Midnight Green #073B4C ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.053
- Gunmetal #293241 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.056
Use #053057 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.