#0A161F
Closest named color: Rich Black (#0D1B2A). oklch(19.4% 0.025 242.1), rgb(10, 22, 31).
Aa
White text reads best on this color (18.30:1).
About this color
#0A161F is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.027 away. White text reads best on it, at 18.30:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.30:1 |
Values
| HEX | #0A161F |
| RGB | rgb(10, 22, 31) |
| HSL | hsl(206, 51%, 8%) |
| OKLCH | oklch(19.4% 0.025 242.1) |
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 #0A161F | 18.30:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #0A161F | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #0A161F text on white | 18.30:1 | AAA | Lc 104.9 | Preferred for body text |
| #0A161F text on black | 1.14:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE3
oklch(88.5% 0.016 239.1)
-
Step 300
300
#B1C3D3
oklch(80.9% 0.03 245)
-
Step 400
400
#87A5BC
oklch(70.7% 0.047 241.4)
-
Step 500
500
#698EAC
oklch(63.1% 0.061 243.4)
-
Step 600
600
#507897
oklch(55.6% 0.066 242.7)
-
Step 700
700
#406581
oklch(49.1% 0.062 242.2)
-
Step 800
800
#355369
oklch(42.8% 0.051 241.2)
-
Step 900
900
#2F4455
oklch(37.6% 0.039 243.5)
-
Step 950
950 (this color)
#0A161F
oklch(19.4% 0.025 242.1)
#0A161F 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) | #12161F | 0.013 |
| Deuteranopia (no green cones) | #0F141F | 0.010 |
| Tritanopia (no blue cones) | #021819 | 0.021 |
| Achromatopsia (no color) | #151515 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A161F
#0A161F
oklch(19.4% 0.025 242.1)
- #1D1209
#1D1209
oklch(19.4% 0.025 60)
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 #0A161F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.027
- Rich Navy #001219 ΔE 0.027
- Almost Black #070D0D ΔE 0.046
- Dark #1B2431 ΔE 0.065
- Jet #212529 ΔE 0.070
- Oxford Blue #1B263B ΔE 0.078
- Dark Navy #000435 ΔE 0.080
- Navy Blue #001146 ΔE 0.081
Use #0A161F 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.