#131B05
Closest named color: Rich Navy (#001219). oklch(20.8% 0.041 126), rgb(19, 27, 5).
Aa
White text reads best on this color (17.69:1).
About this color
#131B05 is a very dark, muted green. In OKLCH its lightness is 21%, its chroma 0.041 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.067 away. White text reads best on it, at 17.69:1.
| Hue family | Greens |
| Lightness | very dark (21%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.18:1 |
| White text | 17.69:1 |
Values
| HEX | #131B05 |
| RGB | rgb(19, 27, 5) |
| HSL | hsl(82, 69%, 6%) |
| OKLCH | oklch(20.8% 0.041 126) |
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 #131B05 | 17.69:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #131B05 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #131B05 text on white | 17.69:1 | AAA | Lc 104.5 | Preferred for body text |
| #131B05 text on black | 1.18:1 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D4DDCA
oklch(88.5% 0.027 127.8)
-
Step 300
300
#B9C7A5
oklch(81% 0.049 125.7)
-
Step 400
400
#94AA74
oklch(70.7% 0.079 126.3)
-
Step 500
500
#7A944F
oklch(63% 0.1 126)
-
Step 600
600
#637E31
oklch(55.5% 0.109 126)
-
Step 700
700
#526B24
oklch(49.2% 0.102 126.4)
-
Step 800
800
#43571F
oklch(42.7% 0.085 126.3)
-
Step 900
900
#39481F
oklch(37.8% 0.066 126)
-
Step 950
950 (this color)
#131B05
oklch(20.8% 0.041 126)
#131B05 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) | #1D1903 | 0.019 |
| Deuteranopia (no green cones) | #1C1806 | 0.020 |
| Tritanopia (no blue cones) | #141916 | 0.034 |
| Achromatopsia (no color) | #181818 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #131B05
#131B05
oklch(20.8% 0.041 126)
- #1C1227
#1C1227
oklch(20.6% 0.043 304.9)
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 #131B05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.067
- Almost Black #070D0D ΔE 0.068
- Dark Brown #341C02 ΔE 0.068
- Dark Forest Green #002D04 ΔE 0.068
- Rich Black #0D1B2A ΔE 0.069
- Very Dark Green #062E03 ΔE 0.071
- Jet #212529 ΔE 0.072
- Dark #1B2431 ΔE 0.081
Use #131B05 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.