#161A31
Closest named color: Rich Black (#0D1B2A). oklch(22.7% 0.045 274.8), rgb(22, 26, 49).
Aa
White text reads best on this color (17.12:1).
About this color
#161A31 is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.045 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.021 away. White text reads best on it, at 17.12:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.12:1 |
Values
| HEX | #161A31 |
| RGB | rgb(22, 26, 49) |
| HSL | hsl(231, 38%, 14%) |
| OKLCH | oklch(22.7% 0.045 274.8) |
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 #161A31 | 17.12:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #161A31 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #161A31 text on white | 17.12:1 | AAA | Lc 104.0 | Preferred for body text |
| #161A31 text on black | 1.22:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F4
oklch(93.5% 0.015 273.8)
-
Step 200
200
#D3D8ED
oklch(88.5% 0.029 275.1)
-
Step 300
300
#B6BFE4
oklch(81% 0.053 274.4)
-
Step 400
400
#919DD6
oklch(70.8% 0.085 274.9)
-
Step 500
500
#7683CB
oklch(63% 0.109 275)
-
Step 600
600
#5F6CB8
oklch(55.6% 0.119 274.6)
-
Step 700
700
#4F5A9E
oklch(49.1% 0.109 274.7)
-
Step 800
800
#414A80
oklch(42.8% 0.09 274.8)
-
Step 900
900
#373E67
oklch(37.8% 0.071 275.1)
-
Step 950
950 (this color)
#161A31
oklch(22.7% 0.045 274.8)
#161A31 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) | #111D32 | 0.012 |
| Deuteranopia (no green cones) | #0F1B30 | 0.011 |
| Tritanopia (no blue cones) | #0C1F23 | 0.040 |
| Achromatopsia (no color) | #1C1C1C | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161A31
#161A31
oklch(22.7% 0.045 274.8)
- #231C01
#231C01
oklch(22.8% 0.045 95.4)
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 #161A31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.021
- Dark #1B2431 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.044
- Jet #212529 ΔE 0.051
- Navy Blue #001146 ΔE 0.061
- Rich Navy #001219 ΔE 0.068
- Midnight Purple #280137 ΔE 0.074
- Very Dark Purple #2A0134 ΔE 0.075
Use #161A31 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.