#0F1822
Closest named color: Rich Black (#0D1B2A). oklch(20.5% 0.024 251.6), rgb(15, 24, 34).
Aa
White text reads best on this color (17.88:1).
About this color
#0F1822 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.017 away. White text reads best on it, at 17.88:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.88:1 |
Values
| HEX | #0F1822 |
| RGB | rgb(15, 24, 34) |
| HSL | hsl(212, 39%, 10%) |
| OKLCH | oklch(20.5% 0.024 251.6) |
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 #0F1822 | 17.88:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #0F1822 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #0F1822 text on white | 17.88:1 | AAA | Lc 104.6 | Preferred for body text |
| #0F1822 text on black | 1.17:1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B4C2D3
oklch(80.9% 0.029 253.3)
-
Step 400
400
#8CA3BD
oklch(70.7% 0.046 251.6)
-
Step 500
500
#708CAC
oklch(63.1% 0.058 252.1)
-
Step 600
600
#587698
oklch(55.6% 0.064 252.1)
-
Step 700
700
#486382
oklch(49.1% 0.06 252.4)
-
Step 800
800
#3B5169
oklch(42.7% 0.048 251.1)
-
Step 900
900
#334355
oklch(37.7% 0.037 251.8)
-
Step 950
950 (this color)
#0F1822
oklch(20.5% 0.024 251.6)
#0F1822 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) | #141822 | 0.008 |
| Deuteranopia (no green cones) | #121622 | 0.008 |
| Tritanopia (no blue cones) | #081A1B | 0.021 |
| Achromatopsia (no color) | #171717 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F1822
#0F1822
oklch(20.5% 0.024 251.6)
- #1E150B
#1E150B
oklch(20.4% 0.023 68.8)
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 #0F1822, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.017
- Rich Navy #001219 ΔE 0.040
- Dark #1B2431 ΔE 0.053
- Almost Black #070D0D ΔE 0.057
- Jet #212529 ΔE 0.059
- Oxford Blue #1B263B ΔE 0.067
- Navy Blue #001146 ΔE 0.079
- Dark Navy #000435 ΔE 0.085
Use #0F1822 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.