#0F231B
Closest named color: Jet (#212529). oklch(23.6% 0.031 166), rgb(15, 35, 27).
Aa
White text reads best on this color (16.45:1).
About this color
#0F231B is a very dark, muted green. In OKLCH its lightness is 24%, its chroma 0.031 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.040 away. White text reads best on it, at 16.45:1.
| Hue family | Greens |
| Lightness | very dark (24%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.27:1 |
| White text | 16.45:1 |
Values
| HEX | #0F231B |
| RGB | rgb(15, 35, 27) |
| HSL | hsl(156, 40%, 10%) |
| OKLCH | oklch(23.6% 0.031 166) |
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 #0F231B | 16.45:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #0F231B | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #0F231B text on white | 16.45:1 | AAA | Lc 103.3 | Preferred for body text |
| #0F231B text on black | 1.27:1 | 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
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#ACC8BB
oklch(80.8% 0.035 165.8)
-
Step 400
400
#7EAD98
oklch(70.8% 0.059 165.4)
-
Step 500
500
#5B987F
oklch(63.1% 0.075 166)
-
Step 600
600
#3F8268
oklch(55.5% 0.08 165.9)
-
Step 700
700
#306E57
oklch(49% 0.075 166.4)
-
Step 800
800
#295A47
oklch(42.7% 0.063 165.9)
-
Step 900
900
#264A3C
oklch(37.7% 0.049 166.7)
-
Step 950
950 (this color)
#0F231B
oklch(23.6% 0.031 166)
#0F231B 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) | #22211B | 0.030 |
| Deuteranopia (no green cones) | #1F1E1C | 0.030 |
| Tritanopia (no blue cones) | #092321 | 0.012 |
| Achromatopsia (no color) | #1F1F1F | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F231B
#0F231B
oklch(23.6% 0.031 166)
- #291821
#291821
oklch(23.5% 0.031 346.8)
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 #0F231B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.040
- Dark #1B2431 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.049
- Dark Forest Green #002D04 ΔE 0.060
- Very Dark Green #062E03 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.064
- Dark Brown #341C02 ΔE 0.069
- Rich Navy #001219 ΔE 0.073
Use #0F231B 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.