#163445
Closest named color: Midnight Green (#073B4C). oklch(31% 0.047 235.9), rgb(22, 52, 69).
Aa
White text reads best on this color (13.03:1).
About this color
#163445 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.047 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.024 away. White text reads best on it, at 13.03:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.61:1 |
| White text | 13.03:1 |
Values
| HEX | #163445 |
| RGB | rgb(22, 52, 69) |
| HSL | hsl(202, 52%, 18%) |
| OKLCH | oklch(31% 0.047 235.9) |
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 #163445 | 13.03:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #163445 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #163445 text on white | 13.03:1 | AAA | Lc 99.2 | Preferred for body text |
| #163445 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEB
oklch(88.6% 0.03 235.7)
-
Step 300
300
#9FC7E0
oklch(80.9% 0.055 235.8)
-
Step 400
400
#67A9D1
oklch(70.6% 0.089 236.5)
-
Step 500
500
#3593C5
oklch(63% 0.114 236.2)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#0D4763
oklch(37.7% 0.074 235.5)
-
Step 950
950 (this color)
#163445
oklch(31% 0.047 235.9)
#163445 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) | #2C3446 | 0.029 |
| Deuteranopia (no green cones) | #252F45 | 0.023 |
| Tritanopia (no blue cones) | #00383A | 0.032 |
| Achromatopsia (no color) | #313131 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #163445
#163445
oklch(31% 0.047 235.9)
- #432A18
#432A18
oklch(31.1% 0.047 55.7)
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 #163445, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.024
- Gunmetal #293241 ΔE 0.024
- Dark Blue Grey #1F3B4D ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.046
- Onyx #343A40 ΔE 0.049
- Dark #1B2431 ΔE 0.058
Use #163445 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.