#16304F
Closest named color: Prussian Blue (#1D3557). oklch(30.6% 0.065 254.1), rgb(22, 48, 79).
Aa
White text reads best on this color (13.37:1).
About this color
#16304F is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.065 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.023 away. White text reads best on it, at 13.37:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.56:1 |
| White text | 13.37:1 |
Values
| HEX | #16304F |
| RGB | rgb(22, 48, 79) |
| HSL | hsl(213, 56%, 20%) |
| OKLCH | oklch(30.6% 0.065 254.1) |
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 #16304F | 13.37:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #16304F | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #16304F text on white | 13.37:1 | AAA | Lc 99.6 | Preferred for body text |
| #16304F 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF5
oklch(88.4% 0.042 253.8)
-
Step 300
300
#9FC4F2
oklch(81% 0.077 254.1)
-
Step 400
400
#68A4EB
oklch(70.8% 0.122 253.5)
-
Step 500
500
#3C8BE5
oklch(63.2% 0.156 253.9)
-
Step 600
600
#1072D3
oklch(55.5% 0.17 254.1)
-
Step 700
700
#005FB6
oklch(49% 0.157 254.2)
-
Step 800
800
#074E94
oklch(42.6% 0.131 254.1)
-
Step 900
900
#134276
oklch(37.8% 0.102 254)
-
Step 950
950 (this color)
#16304F
oklch(30.6% 0.065 254.1)
#16304F 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) | #223250 | 0.017 |
| Deuteranopia (no green cones) | #1A2D4E | 0.010 |
| Tritanopia (no blue cones) | #00373B | 0.052 |
| Achromatopsia (no color) | #2F2F2F | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #16304F
#16304F
oklch(30.6% 0.065 254.1)
- #422900
#422900
oklch(30.5% 0.065 73.8)
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 #16304F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.023
- Marine #042E60 ΔE 0.035
- Space Cadet #2B2D42 ΔE 0.035
- Gunmetal #293241 ΔE 0.037
- Midnight Green #073B4C ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.041
- Oxford Blue #1B263B ΔE 0.044
- Marine Blue #01386A ΔE 0.050
Use #16304F 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.