#0B2015
Closest named color: Rich Black (#0D1B2A). oklch(22.2% 0.035 158.8), rgb(11, 32, 21).
Aa
White text reads best on this color (17.05:1).
About this color
#0B2015 is a very dark, muted green. In OKLCH its lightness is 22%, its chroma 0.035 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.051 away. White text reads best on it, at 17.05:1.
| Hue family | Greens |
| Lightness | very dark (22%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 17.05:1 |
Values
| HEX | #0B2015 |
| RGB | rgb(11, 32, 21) |
| HSL | hsl(149, 49%, 8%) |
| OKLCH | oklch(22.2% 0.035 158.8) |
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 #0B2015 | 17.05:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #0B2015 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #0B2015 text on white | 17.05:1 | AAA | Lc 103.9 | Preferred for body text |
| #0B2015 text on black | 1.23:1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#ABC9B7
oklch(80.9% 0.041 159)
-
Step 400
400
#7DAE92
oklch(70.8% 0.066 159.1)
-
Step 500
500
#5A9977
oklch(63.1% 0.084 159.2)
-
Step 600
600
#3D845F
oklch(55.7% 0.093 158.5)
-
Step 700
700
#2E6F4F
oklch(49% 0.085 159.4)
-
Step 800
800
#285B41
oklch(42.8% 0.071 159.1)
-
Step 900
900
#254B37
oklch(37.8% 0.056 159.1)
-
Step 950
950 (this color)
#0B2015
oklch(22.2% 0.035 158.8)
#0B2015 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) | #201D14 | 0.034 |
| Deuteranopia (no green cones) | #1D1B16 | 0.033 |
| Tritanopia (no blue cones) | #06201D | 0.015 |
| Achromatopsia (no color) | #1C1C1C | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B2015
#0B2015
oklch(22.2% 0.035 158.8)
- #261420
#261420
oklch(22.1% 0.036 340.3)
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 #0B2015, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.051
- Jet #212529 ΔE 0.054
- Dark #1B2431 ΔE 0.060
- Dark Forest Green #002D04 ΔE 0.062
- Rich Navy #001219 ΔE 0.064
- Very Dark Green #062E03 ΔE 0.065
- Dark Brown #341C02 ΔE 0.074
- Almost Black #070D0D ΔE 0.075
Use #0B2015 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.