#0F1917
Closest named color: Rich Black (#0D1B2A). oklch(20.3% 0.015 181), rgb(15, 25, 23).
Aa
White text reads best on this color (17.92:1).
About this color
#0F1917 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.037 away. White text reads best on it, at 17.92:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.92:1 |
Values
| HEX | #0F1917 |
| RGB | rgb(15, 25, 23) |
| HSL | hsl(168, 25%, 8%) |
| OKLCH | oklch(20.3% 0.015 181) |
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 #0F1917 | 17.92:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #0F1917 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #0F1917 text on white | 17.92:1 | AAA | Lc 104.7 | Preferred for body text |
| #0F1917 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBD9
oklch(88.4% 0.01 181.4)
-
Step 300
300
#B5C5C1
oklch(81% 0.018 179.2)
-
Step 400
400
#8EA7A1
oklch(70.7% 0.029 179.3)
-
Step 500
500
#72918B
oklch(63.1% 0.036 182)
-
Step 600
600
#5A7B74
oklch(55.5% 0.039 180.2)
-
Step 700
700
#496862
oklch(49.1% 0.037 181.4)
-
Step 800
800
#3C5550
oklch(42.8% 0.031 181)
-
Step 900
900
#344642
oklch(37.7% 0.024 179.8)
-
Step 950
950 (this color)
#0F1917
oklch(20.3% 0.015 181)
#0F1917 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) | #181817 | 0.016 |
| Deuteranopia (no green cones) | #161617 | 0.016 |
| Tritanopia (no blue cones) | #0C1918 | 0.005 |
| Achromatopsia (no color) | #171717 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F1917
#0F1917
oklch(20.3% 0.015 181)
- #1D1416
#1D1416
oklch(20.4% 0.015 3.7)
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 #0F1917, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.037
- Rich Navy #001219 ΔE 0.041
- Almost Black #070D0D ΔE 0.051
- Jet #212529 ΔE 0.061
- Dark #1B2431 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.079
- Dark Brown #341C02 ΔE 0.080
- Very Dark Brown #1D0200 ΔE 0.085
Use #0F1917 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.