#131B00
Closest named color: Dark Forest Green (#002D04). oklch(20.7% 0.051 123.4), rgb(19, 27, 0).
Aa
White text reads best on this color (17.72:1).
About this color
#131B00 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.051 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.065 away. White text reads best on it, at 17.72:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.18:1 |
| White text | 17.72:1 |
Values
| HEX | #131B00 |
| RGB | rgb(19, 27, 0) |
| HSL | hsl(78, 100%, 5%) |
| OKLCH | oklch(20.7% 0.051 123.4) |
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 #131B00 | 17.72:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #131B00 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #131B00 text on white | 17.72:1 | AAA | Lc 104.5 | Preferred for body text |
| #131B00 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECDF
oklch(93.6% 0.018 124)
-
Step 200
200
#D4DDC5
oklch(88.4% 0.034 123.9)
-
Step 300
300
#B9C89D
oklch(81% 0.061 123.4)
-
Step 400
400
#95AB66
oklch(70.8% 0.097 123.3)
-
Step 500
500
#7B9539
oklch(63% 0.123 123.3)
-
Step 600
600
#647F09
oklch(55.5% 0.134 123.4)
-
Step 700
700
#536B00
oklch(49% 0.121 123.6)
-
Step 800
800
#445804
oklch(42.8% 0.104 123.7)
-
Step 900
900
#394811
oklch(37.6% 0.08 123.5)
-
Step 950
950 (this color)
#131B00
oklch(20.7% 0.051 123.4)
#131B00 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) | #1D1800 | 0.021 |
| Deuteranopia (no green cones) | #1C1801 | 0.021 |
| Tritanopia (no blue cones) | #151915 | 0.042 |
| Achromatopsia (no color) | #181818 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #131B00
#131B00
oklch(20.7% 0.051 123.4)
- #1C112A
#1C112A
oklch(20.6% 0.05 302.6)
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 #131B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.065
- Very Dark Green #062E03 ΔE 0.068
- Dark Brown #341C02 ΔE 0.070
- Almost Black #070D0D ΔE 0.073
- Rich Navy #001219 ΔE 0.074
- Rich Black #0D1B2A ΔE 0.079
- Jet #212529 ΔE 0.080
- Dark #1B2431 ΔE 0.089
Use #131B00 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.