#161A23
Closest named color: Rich Black (#0D1B2A). oklch(21.8% 0.019 266.1), rgb(22, 26, 35).
Aa
White text reads best on this color (17.41:1).
About this color
#161A23 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.018 away. White text reads best on it, at 17.41:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.41:1 |
Values
| HEX | #161A23 |
| RGB | rgb(22, 26, 35) |
| HSL | hsl(222, 23%, 11%) |
| OKLCH | oklch(21.8% 0.019 266.1) |
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 #161A23 | 17.41:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #161A23 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #161A23 text on white | 17.41:1 | AAA | Lc 104.3 | Preferred for body text |
| #161A23 text on black | 1.20:1 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E2
oklch(88.5% 0.013 266.7)
-
Step 300
300
#BAC1CF
oklch(81% 0.021 264.4)
-
Step 400
400
#96A1B8
oklch(70.8% 0.036 265.1)
-
Step 500
500
#7D89A6
oklch(63.1% 0.046 267.4)
-
Step 600
600
#667391
oklch(55.6% 0.049 266.5)
-
Step 700
700
#54607B
oklch(49% 0.046 266)
-
Step 800
800
#454F64
oklch(42.7% 0.037 264.9)
-
Step 900
900
#3A4152
oklch(37.6% 0.031 267.4)
-
Step 950
950 (this color)
#161A23
oklch(21.8% 0.019 266.1)
#161A23 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) | #171B23 | 0.004 |
| Deuteranopia (no green cones) | #161923 | 0.004 |
| Tritanopia (no blue cones) | #121C1D | 0.018 |
| Achromatopsia (no color) | #1A1A1A | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161A23
#161A23
oklch(21.8% 0.019 266.1)
- #1E1A10
#1E1A10
oklch(21.9% 0.019 88.7)
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 #161A23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.018
- Dark #1B2431 ΔE 0.041
- Jet #212529 ΔE 0.045
- Rich Navy #001219 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.056
- Almost Black #070D0D ΔE 0.068
- Dark Brown #341C02 ΔE 0.080
- Navy Blue #001146 ΔE 0.084
Use #161A23 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.