#0F1924
Closest named color: Rich Black (#0D1B2A). oklch(20.9% 0.026 251.5), rgb(15, 25, 36).
Aa
White text reads best on this color (17.72:1).
About this color
#0F1924 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.012 away. White text reads best on it, at 17.72:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.72:1 |
Values
| HEX | #0F1924 |
| RGB | rgb(15, 25, 36) |
| HSL | hsl(211, 41%, 10%) |
| OKLCH | oklch(20.9% 0.026 251.5) |
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 #0F1924 | 17.72:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #0F1924 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #0F1924 text on white | 17.72:1 | AAA | Lc 104.5 | Preferred for body text |
| #0F1924 text on black | 1.18:1 | 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
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B2C2D5
oklch(80.8% 0.032 252.7)
-
Step 400
400
#8AA3BF
oklch(70.6% 0.05 251.4)
-
Step 500
500
#6D8CAF
oklch(63% 0.064 251.9)
-
Step 600
600
#55769B
oklch(55.6% 0.069 251.9)
-
Step 700
700
#456385
oklch(49.1% 0.065 252.2)
-
Step 800
800
#39516C
oklch(42.7% 0.054 252)
-
Step 900
900
#314357
oklch(37.6% 0.041 251.6)
-
Step 950
950 (this color)
#0F1924
oklch(20.9% 0.026 251.5)
#0F1924 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) | #151925 | 0.010 |
| Deuteranopia (no green cones) | #121724 | 0.008 |
| Tritanopia (no blue cones) | #071B1D | 0.021 |
| Achromatopsia (no color) | #181818 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F1924
#0F1924
oklch(20.9% 0.026 251.5)
- #20160A
#20160A
oklch(20.9% 0.027 70.6)
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 #0F1924, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.012
- Rich Navy #001219 ΔE 0.043
- Dark #1B2431 ΔE 0.049
- Jet #212529 ΔE 0.055
- Almost Black #070D0D ΔE 0.061
- Oxford Blue #1B263B ΔE 0.062
- Navy Blue #001146 ΔE 0.076
- Dark Navy #000435 ΔE 0.086
Use #0F1924 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.