#151B05
Closest named color: Dark Brown (#341C02). oklch(21% 0.04 122.3), rgb(21, 27, 5).
Aa
White text reads best on this color (17.63:1).
About this color
#151B05 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.040 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.064 away. White text reads best on it, at 17.63:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.19:1 |
| White text | 17.63:1 |
Values
| HEX | #151B05 |
| RGB | rgb(21, 27, 5) |
| HSL | hsl(76, 69%, 6%) |
| OKLCH | oklch(21% 0.04 122.3) |
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 #151B05 | 17.63:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #151B05 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #151B05 text on white | 17.63:1 | AAA | Lc 104.4 | Preferred for body text |
| #151B05 text on black | 1.19:1 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E8EBE1
oklch(93.5% 0.014 120.3)
-
Step 200
200
#D6DCC9
oklch(88.5% 0.026 121.2)
-
Step 300
300
#BBC6A4
oklch(80.9% 0.048 122)
-
Step 400
400
#98A973
oklch(70.8% 0.077 122.6)
-
Step 500
500
#7F934E
oklch(63.1% 0.097 122.5)
-
Step 600
600
#697D30
oklch(55.7% 0.106 122.2)
-
Step 700
700
#576922
oklch(49% 0.098 122.2)
-
Step 800
800
#47561E
oklch(42.7% 0.082 122.6)
-
Step 900
900
#3C471E
oklch(37.8% 0.064 122)
-
Step 950
950 (this color)
#151B05
oklch(21% 0.04 122.3)
#151B05 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 | 0.016 |
| Deuteranopia (no green cones) | #1C1906 | 0.015 |
| Tritanopia (no blue cones) | #171916 | 0.034 |
| Achromatopsia (no color) | #191919 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151B05
#151B05
oklch(21% 0.04 122.3)
- #1C1327
#1C1327
oklch(20.9% 0.04 303.8)
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 #151B05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.064
- Dark Forest Green #002D04 ΔE 0.068
- Rich Navy #001219 ΔE 0.069
- Rich Black #0D1B2A ΔE 0.069
- Almost Black #070D0D ΔE 0.069
- Jet #212529 ΔE 0.070
- Very Dark Green #062E03 ΔE 0.071
- Dark #1B2431 ΔE 0.079
Use #151B05 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.