#161D2B
Closest named color: Rich Black (#0D1B2A). oklch(23.1% 0.029 263.7), rgb(22, 29, 43).
Aa
White text reads best on this color (16.87:1).
About this color
#161D2B is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.016 away. White text reads best on it, at 16.87:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.24:1 |
| White text | 16.87:1 |
Values
| HEX | #161D2B |
| RGB | rgb(22, 29, 43) |
| HSL | hsl(220, 32%, 13%) |
| OKLCH | oklch(23.1% 0.029 263.7) |
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 #161D2B | 16.87:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #161D2B | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #161D2B text on white | 16.87:1 | AAA | Lc 103.8 | Preferred for body text |
| #161D2B 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300
#B5C1D8
oklch(80.9% 0.035 263.5)
-
Step 400
400
#8FA1C4
oklch(70.7% 0.055 263.6)
-
Step 500
500
#7389B5
oklch(63% 0.071 263.9)
-
Step 600
600
#5C73A1
oklch(55.6% 0.077 263.6)
-
Step 700
700
#4C608A
oklch(49.1% 0.072 264.4)
-
Step 800
800
#3E4F70
oklch(42.8% 0.059 263.1)
-
Step 900
900
#35415A
oklch(37.6% 0.046 264.5)
-
Step 950
950 (this color)
#161D2B
oklch(23.1% 0.029 263.7)
#161D2B 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) | #181E2C | 0.005 |
| Deuteranopia (no green cones) | #161C2B | 0.004 |
| Tritanopia (no blue cones) | #0F2022 | 0.026 |
| Achromatopsia (no color) | #1D1D1D | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161D2B
#161D2B
oklch(23.1% 0.029 263.7)
- #241C0C
#241C0C
oklch(23.1% 0.03 83.5)
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 #161D2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.016
- Dark #1B2431 ΔE 0.027
- Jet #212529 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.040
- Rich Navy #001219 ΔE 0.065
- Space Cadet #2B2D42 ΔE 0.075
- Navy Blue #001146 ΔE 0.076
- Almost Black #070D0D ΔE 0.083
Use #161D2B 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.