#161F2D
Closest named color: Dark (#1B2431). oklch(23.8% 0.03 259), rgb(22, 31, 45).
Aa
White text reads best on this color (16.56:1).
About this color
#161F2D is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.030 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.020 away. White text reads best on it, at 16.56:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.26:1 |
| White text | 16.56:1 |
Values
| HEX | #161F2D |
| RGB | rgb(22, 31, 45) |
| HSL | hsl(217, 34%, 13%) |
| OKLCH | oklch(23.8% 0.03 259) |
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 #161F2D | 16.56:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #161F2D | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #161F2D text on white | 16.56:1 | AAA | Lc 103.5 | Preferred for body text |
| #161F2D text on black | 1.26:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300
#B3C2D8
oklch(81% 0.035 257.9)
-
Step 400
400
#8BA2C5
oklch(70.7% 0.058 258.7)
-
Step 500
500
#6F8BB6
oklch(63.2% 0.073 258.8)
-
Step 600
600
#5774A2
oklch(55.6% 0.08 259.4)
-
Step 700
700
#47618B
oklch(49% 0.075 259.7)
-
Step 800
800
#3A5070
oklch(42.8% 0.06 257.7)
-
Step 900
900
#32425B
oklch(37.7% 0.048 259.1)
-
Step 950
950 (this color)
#161F2D
oklch(23.8% 0.03 259)
#161F2D 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) | #1A202E | 0.008 |
| Deuteranopia (no green cones) | #171E2D | 0.004 |
| Tritanopia (no blue cones) | #0E2224 | 0.026 |
| Achromatopsia (no color) | #1F1F1F | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161F2D
#161F2D
oklch(23.8% 0.03 259)
- #261D0E
#261D0E
oklch(23.7% 0.029 79.4)
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 #161F2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.020
- Rich Black #0D1B2A ΔE 0.021
- Jet #212529 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.069
- Rich Navy #001219 ΔE 0.071
- Navy Blue #001146 ΔE 0.077
- Gunmetal #293241 ΔE 0.078
Use #161F2D 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.