#16335B
Closest named color: Prussian Blue (#1D3557). oklch(32.2% 0.08 257), rgb(22, 51, 91).
Aa
White text reads best on this color (12.66:1).
About this color
#16335B is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.080 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.013 away. White text reads best on it, at 12.66:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.66:1 |
Values
| HEX | #16335B |
| RGB | rgb(22, 51, 91) |
| HSL | hsl(215, 61%, 22%) |
| OKLCH | oklch(32.2% 0.08 257) |
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 #16335B | 12.66:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #16335B | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #16335B text on white | 12.66:1 | AAA | Lc 98.5 | Preferred for body text |
| #16335B text on black | 1.65:1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C4DBFC
oklch(88.5% 0.052 257.4)
-
Step 300
300
#9AC3FD
oklch(80.9% 0.094 257.1)
-
Step 400
400
#60A1FD
oklch(70.7% 0.151 257.3)
-
Step 500
500
#2D86FB
oklch(63.1% 0.193 257.1)
-
Step 600
600
#006EE3
oklch(55.7% 0.197 256.9)
-
Step 700
700
#005CC1
oklch(49.2% 0.175 257.1)
-
Step 800
800
#004BA0
oklch(42.8% 0.152 257.1)
-
Step 900
900
#083F82
oklch(37.7% 0.125 257)
-
Step 950
950 (this color)
#16335B
oklch(32.2% 0.08 257)
#16335B 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) | #20365D | 0.016 |
| Deuteranopia (no green cones) | #15305A | 0.010 |
| Tritanopia (no blue cones) | #003C42 | 0.062 |
| Achromatopsia (no color) | #333333 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #16335B
#16335B
oklch(32.2% 0.08 257)
- #462E00
#462E00
oklch(32.2% 0.067 77.5)
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 #16335B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.013
- Marine #042E60 ΔE 0.025
- Marine Blue #01386A ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.042
- Midnight Green #073B4C ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.050
- Gunmetal #293241 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.065
Use #16335B 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.