#16305E
Closest named color: Marine (#042E60). oklch(31.6% 0.088 260.9), rgb(22, 48, 94).
Aa
White text reads best on this color (12.97:1).
About this color
#16305E is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.088 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.017 away. White text reads best on it, at 12.97:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.61:1 |
| White text | 12.97:1 |
Values
| HEX | #16305E |
| RGB | rgb(22, 48, 94) |
| HSL | hsl(218, 62%, 23%) |
| OKLCH | oklch(31.6% 0.088 260.9) |
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 #16305E | 12.97:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #16305E | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #16305E text on white | 12.97:1 | AAA | Lc 98.9 | Preferred for body text |
| #16305E text on black | 1.61:1 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFF
oklch(93.7% 0.03 260.7)
-
Step 200
200
#C4DAFF
oklch(88.4% 0.057 260.8)
-
Step 300
300
#9DC2FF
oklch(81% 0.096 260.2)
-
Step 400
400
#689FFF
oklch(70.7% 0.153 260.8)
-
Step 500
500
#3C83FF
oklch(63.2% 0.198 260.7)
-
Step 600
600
#0865F7
oklch(55.5% 0.232 260.8)
-
Step 700
700
#0054D5
oklch(49.2% 0.21 260.8)
-
Step 800
800
#0345AE
oklch(42.7% 0.178 260.7)
-
Step 900
900
#0F3C8A
oklch(37.8% 0.139 260.8)
-
Step 950
950 (this color)
#16305E
oklch(31.6% 0.088 260.9)
#16305E 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) | #183560 | 0.016 |
| Deuteranopia (no green cones) | #092E5D | 0.014 |
| Tritanopia (no blue cones) | #003B42 | 0.071 |
| Achromatopsia (no color) | #313131 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #16305E
#16305E
oklch(31.6% 0.088 260.9)
- #432E00
#432E00
oklch(31.8% 0.066 81.2)
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 #16305E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.017
- Prussian Blue #1D3557 ΔE 0.024
- Marine Blue #01386A ΔE 0.030
- Dark Blue Grey #1F3B4D ΔE 0.053
- Midnight Green #073B4C ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.055
- Gunmetal #293241 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.066
Use #16305E 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.