#0F2124
Closest named color: Rich Black (#0D1B2A). oklch(23.4% 0.024 209.3), rgb(15, 33, 36).
Aa
White text reads best on this color (16.62:1).
About this color
#0F2124 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.029 away. White text reads best on it, at 16.62:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.26:1 |
| White text | 16.62:1 |
Values
| HEX | #0F2124 |
| RGB | rgb(15, 33, 36) |
| HSL | hsl(189, 41%, 10%) |
| OKLCH | oklch(23.4% 0.024 209.3) |
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 #0F2124 | 16.62:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #0F2124 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #0F2124 text on white | 16.62:1 | AAA | Lc 103.5 | Preferred for body text |
| #0F2124 text on black | 1.26:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCDF
oklch(88.5% 0.016 212)
-
Step 300
300
#ACC6CB
oklch(80.9% 0.029 210.5)
-
Step 400
400
#7FA9B0
oklch(70.7% 0.046 208.8)
-
Step 500
500
#5D949D
oklch(63.2% 0.06 208.9)
-
Step 600
600
#417E88
oklch(55.6% 0.065 209.3)
-
Step 700
700
#336A73
oklch(49.1% 0.06 209.4)
-
Step 800
800
#2B575E
oklch(42.8% 0.05 208.9)
-
Step 900
900
#27474D
oklch(37.6% 0.039 210.9)
-
Step 950
950 (this color)
#0F2124
oklch(23.4% 0.024 209.3)
#0F2124 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) | #1E2024 | 0.023 |
| Deuteranopia (no green cones) | #1B1D24 | 0.022 |
| Tritanopia (no blue cones) | #062222 | 0.012 |
| Achromatopsia (no color) | #1E1E1E | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F2124
#0F2124
oklch(23.4% 0.024 209.3)
- #281917
#281917
oklch(23.2% 0.025 27.6)
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 #0F2124, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.029
- Dark #1B2431 ΔE 0.032
- Jet #212529 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.049
- Rich Navy #001219 ΔE 0.065
- Dark Brown #341C02 ΔE 0.078
- Dark Forest Green #002D04 ΔE 0.080
- Space Cadet #2B2D42 ΔE 0.081
Use #0F2124 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.