#011B0A
Closest named color: Rich Navy (#001219). oklch(19.6% 0.048 153.1), rgb(1, 27, 10).
Aa
White text reads best on this color (18.06:1).
About this color
#011B0A is a very dark, muted green. In OKLCH its lightness is 20%, its chroma 0.048 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.054 away. White text reads best on it, at 18.06:1.
| Hue family | Greens |
| Lightness | very dark (20%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.16:1 |
| White text | 18.06:1 |
Values
| HEX | #011B0A |
| RGB | rgb(1, 27, 10) |
| HSL | hsl(141, 93%, 5%) |
| OKLCH | oklch(19.6% 0.048 153.1) |
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 #011B0A | 18.06:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #011B0A | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #011B0A text on white | 18.06:1 | AAA | Lc 104.6 | Preferred for body text |
| #011B0A text on black | 1.16:1 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A5CCAF
oklch(80.9% 0.058 152.8)
-
Step 400
400
#73B186
oklch(70.6% 0.09 153.3)
-
Step 500
500
#4A9E67
oklch(63.2% 0.117 152.9)
-
Step 600
600
#25884E
oklch(55.6% 0.127 153)
-
Step 700
700
#15733F
oklch(49% 0.117 153.2)
-
Step 800
800
#165E34
oklch(42.7% 0.098 153)
-
Step 900
900
#1B4D2E
oklch(37.7% 0.076 153.4)
-
Step 950
950 (this color)
#011B0A
oklch(19.6% 0.048 153.1)
#011B0A 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) | #1B1809 | 0.041 |
| Deuteranopia (no green cones) | #18150B | 0.042 |
| Tritanopia (no blue cones) | #001A17 | 0.026 |
| Achromatopsia (no color) | #161616 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #011B0A
#011B0A
oklch(19.6% 0.048 153.1)
- #210C1E
#210C1E
oklch(19.5% 0.047 332.8)
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 #011B0A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.054
- Almost Black #070D0D ΔE 0.060
- Rich Black #0D1B2A ΔE 0.068
- Dark Forest Green #002D04 ΔE 0.072
- Very Dark Green #062E03 ΔE 0.077
- Jet #212529 ΔE 0.083
- Dark #1B2431 ΔE 0.087
- Dark Brown #341C02 ΔE 0.092
Use #011B0A 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.