#161B2C
Closest named color: Rich Black (#0D1B2A). oklch(22.6% 0.034 271), rgb(22, 27, 44).
Aa
White text reads best on this color (17.11:1).
About this color
#161B2C is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.034 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.015 away. White text reads best on it, at 17.11:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.11:1 |
Values
| HEX | #161B2C |
| RGB | rgb(22, 27, 44) |
| HSL | hsl(226, 33%, 13%) |
| OKLCH | oklch(22.6% 0.034 271) |
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 #161B2C | 17.11:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #161B2C | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #161B2C text on white | 17.11:1 | AAA | Lc 104.0 | Preferred for body text |
| #161B2C 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E8
oklch(88.5% 0.022 268.4)
-
Step 300
300
#B7C0DB
oklch(80.9% 0.039 270.9)
-
Step 400
400
#919FCA
oklch(70.7% 0.065 270.6)
-
Step 500
500
#7787BC
oklch(63.2% 0.082 271)
-
Step 600
600
#6070A8
oklch(55.6% 0.089 271.1)
-
Step 700
700
#4F5E90
oklch(49.2% 0.083 270.4)
-
Step 800
800
#414D75
oklch(42.8% 0.068 270.6)
-
Step 900
900
#37405E
oklch(37.7% 0.053 270.9)
-
Step 950
950 (this color)
#161B2C
oklch(22.6% 0.034 271)
#161B2C 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) | #151D2D | 0.007 |
| Deuteranopia (no green cones) | #131B2C | 0.005 |
| Tritanopia (no blue cones) | #0F1E21 | 0.030 |
| Achromatopsia (no color) | #1C1C1C | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161B2C
#161B2C
oklch(22.6% 0.034 271)
- #221B08
#221B08
oklch(22.5% 0.034 89.4)
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 #161B2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.015
- Dark #1B2431 ΔE 0.033
- Jet #212529 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.044
- Rich Navy #001219 ΔE 0.063
- Navy Blue #001146 ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.079
- Almost Black #070D0D ΔE 0.081
Use #161B2C 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.