#053C5C
Closest named color: Prussian Blue (#1D3557). oklch(34.1% 0.077 241.6), rgb(5, 60, 92).
Aa
White text reads best on this color (11.61:1).
About this color
#053C5C is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.077 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.025 away. White text reads best on it, at 11.61:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.80:1 |
| White text | 11.61:1 |
Values
| HEX | #053C5C |
| RGB | rgb(5, 60, 92) |
| HSL | hsl(202, 90%, 19%) |
| OKLCH | oklch(34.1% 0.077 241.6) |
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 #053C5C | 11.61:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #053C5C | 1.80:1 | Fails | Lc 7.6 | Not readable |
| #053C5C text on white | 11.61:1 | AAA | Lc 96.3 | Preferred for body text |
| #053C5C text on black | 1.80:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF4
oklch(93.7% 0.016 239.1)
-
Step 200
200
#C7DCED
oklch(88.4% 0.033 242.4)
-
Step 300
300
#A0C6E3
oklch(80.9% 0.058 241.3)
-
Step 400
400
#6AA8D5
oklch(70.7% 0.092 241.3)
-
Step 500
500
#3D91CA
oklch(63.1% 0.118 241.8)
-
Step 600
600
#0B7AB7
oklch(55.5% 0.129 241.9)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#055480
oklch(42.7% 0.099 241.9)
-
Step 900
900 (this color)
#053C5C
oklch(34.1% 0.077 241.6)
-
Step 950
950
#0D293C
oklch(27% 0.049 241.5)
#053C5C 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) | #2D3D5D | 0.037 |
| Deuteranopia (no green cones) | #21355B | 0.028 |
| Tritanopia (no blue cones) | #004447 | 0.052 |
| Achromatopsia (no color) | #393939 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #053C5C
#053C5C
oklch(34.1% 0.077 241.6)
- #542D02
#542D02
oklch(34.1% 0.077 61.2)
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 #053C5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.025
- Midnight Green #073B4C ΔE 0.028
- Marine Blue #01386A ΔE 0.030
- Dark Blue Grey #1F3B4D ΔE 0.030
- Marine #042E60 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.048
- Charcoal #264653 ΔE 0.050
- Twilight Blue #0A437A ΔE 0.054
Use #053C5C 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.