#161A3B
Closest named color: Rich Black (#0D1B2A). oklch(23.4% 0.063 275.2), rgb(22, 26, 59).
Aa
White text reads best on this color (16.86:1).
About this color
#161A3B is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.063 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.038 away. White text reads best on it, at 16.86:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.24:1 |
| White text | 16.86:1 |
Values
| HEX | #161A3B |
| RGB | rgb(22, 26, 59) |
| HSL | hsl(234, 46%, 16%) |
| OKLCH | oklch(23.4% 0.063 275.2) |
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 #161A3B | 16.86:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #161A3B | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #161A3B text on white | 16.86:1 | AAA | Lc 103.7 | Preferred for body text |
| #161A3B text on black | 1.24:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300
#B2BDF1
oklch(80.8% 0.075 275.3)
-
Step 400
400
#8B9AEB
oklch(70.7% 0.12 274.9)
-
Step 500
500
#707EE4
oklch(63% 0.153 275.2)
-
Step 600
600
#5A65D2
oklch(55.5% 0.166 275.3)
-
Step 700
700
#4A53B6
oklch(49% 0.155 275.2)
-
Step 800
800
#3D4593
oklch(42.7% 0.127 275.3)
-
Step 900
900
#333B75
oklch(37.7% 0.099 274.8)
-
Step 950
950 (this color)
#161A3B
oklch(23.4% 0.063 275.2)
#161A3B 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) | #0A1F3C | 0.021 |
| Deuteranopia (no green cones) | #061B3A | 0.021 |
| Tritanopia (no blue cones) | #052127 | 0.055 |
| Achromatopsia (no color) | #1D1D1D | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161A3B
#161A3B
oklch(23.4% 0.063 275.2)
- #251D00
#251D00
oklch(23.3% 0.048 94.4)
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 #161A3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.038
- Oxford Blue #1B263B ΔE 0.042
- Dark #1B2431 ΔE 0.044
- Navy Blue #001146 ΔE 0.049
- Dark Indigo #1F0954 ΔE 0.061
- Jet #212529 ΔE 0.061
- Midnight Purple #280137 ΔE 0.070
- Night Blue #040348 ΔE 0.073
Use #161A3B 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.