#0F211B
Closest named color: Jet (#212529). oklch(23% 0.027 170.5), rgb(15, 33, 27).
Aa
White text reads best on this color (16.75:1).
About this color
#0F211B is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.042 away. White text reads best on it, at 16.75:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.25:1 |
| White text | 16.75:1 |
Values
| HEX | #0F211B |
| RGB | rgb(15, 33, 27) |
| HSL | hsl(160, 38%, 9%) |
| OKLCH | oklch(23% 0.027 170.5) |
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 #0F211B | 16.75:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #0F211B | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #0F211B text on white | 16.75:1 | AAA | Lc 103.6 | Preferred for body text |
| #0F211B text on black | 1.25:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD7
oklch(88.5% 0.018 170)
-
Step 300
300
#ADC8BE
oklch(81% 0.032 171.1)
-
Step 400
400
#81AB9C
oklch(70.6% 0.05 170.9)
-
Step 500
500
#609784
oklch(63.2% 0.065 170.3)
-
Step 600
600
#45816D
oklch(55.6% 0.071 170)
-
Step 700
700
#366D5B
oklch(49.1% 0.066 170)
-
Step 800
800
#2D594B
oklch(42.8% 0.055 170.8)
-
Step 900
900
#29493E
oklch(37.7% 0.043 170)
-
Step 950
950 (this color)
#0F211B
oklch(23% 0.027 170.5)
#0F211B 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) | #201F1B | 0.028 |
| Deuteranopia (no green cones) | #1D1D1B | 0.025 |
| Tritanopia (no blue cones) | #09211F | 0.009 |
| Achromatopsia (no color) | #1E1E1E | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F211B
#0F211B
oklch(23% 0.027 170.5)
- #27181E
#27181E
oklch(23.1% 0.026 353.6)
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 #0F211B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.042
- Rich Black #0D1B2A ΔE 0.043
- Dark #1B2431 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.064
- Rich Navy #001219 ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.066
- Very Dark Green #062E03 ΔE 0.069
- Dark Brown #341C02 ΔE 0.071
Use #0F211B 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.