#073350
Closest named color: Prussian Blue (#1D3557). oklch(30.9% 0.069 243.5), rgb(7, 51, 80).
Aa
White text reads best on this color (13.13:1).
About this color
#073350 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.069 and its hue 244°. 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 13.13:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.59:1 |
| White text | 13.13:1 |
Values
| HEX | #073350 |
| RGB | rgb(7, 51, 80) |
| HSL | hsl(204, 84%, 17%) |
| OKLCH | oklch(30.9% 0.069 243.5) |
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 #073350 | 13.13:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #073350 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #073350 text on white | 13.13:1 | AAA | Lc 99.1 | Preferred for body text |
| #073350 text on black | 1.59:1 | 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
#EFF6FC
oklch(97% 0.011 243.7)
-
Step 100
100
#DDECF9
oklch(93.6% 0.024 244.1)
-
Step 200
200
#C0DDF5
oklch(88.4% 0.045 243.2)
-
Step 300
300
#93C7F2
oklch(80.9% 0.082 244)
-
Step 400
400
#4EA9EC
oklch(70.8% 0.131 243.5)
-
Step 500
500
#0091DE
oklch(63.1% 0.153 243.2)
-
Step 600
600
#007ABC
oklch(55.7% 0.136 243.3)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005383
oklch(42.6% 0.105 243.8)
-
Step 900
900
#00456E
oklch(37.6% 0.092 243.7)
-
Step 950
950 (this color)
#073350
oklch(30.9% 0.069 243.5)
#073350 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) | #253451 | 0.030 |
| Deuteranopia (no green cones) | #1B2D4F | 0.024 |
| Tritanopia (no blue cones) | #003A3D | 0.048 |
| Achromatopsia (no color) | #303030 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #073350
#073350
oklch(30.9% 0.069 243.5)
- #482701
#482701
oklch(30.9% 0.069 63.4)
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 #073350, 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 0.030
- Marine #042E60 ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.038
- Gunmetal #293241 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.045
- Marine Blue #01386A ΔE 0.046
- Oxford Blue #1B263B ΔE 0.051
Use #073350 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.