#191B05
Closest named color: Dark Brown (#341C02). oklch(21.4% 0.038 113.8), rgb(25, 27, 5).
Aa
White text reads best on this color (17.49:1).
About this color
#191B05 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.038 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.057 away. White text reads best on it, at 17.49:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.20:1 |
| White text | 17.49:1 |
Values
| HEX | #191B05 |
| RGB | rgb(25, 27, 5) |
| HSL | hsl(65, 69%, 6%) |
| OKLCH | oklch(21.4% 0.038 113.8) |
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 #191B05 | 17.49:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #191B05 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #191B05 text on white | 17.49:1 | AAA | Lc 104.3 | Preferred for body text |
| #191B05 text on black | 1.20:1 | 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
#E9EBE1
oklch(93.6% 0.013 115.8)
-
Step 200
200
#D8DBC9
oklch(88.4% 0.024 114.6)
-
Step 300
300
#C0C4A3
oklch(80.8% 0.045 113)
-
Step 400
400
#A0A671
oklch(70.7% 0.073 113.5)
-
Step 500
500
#89904B
oklch(63.2% 0.093 113.8)
-
Step 600
600
#737A2C
oklch(55.7% 0.102 114)
-
Step 700
700
#60661F
oklch(49% 0.093 114)
-
Step 800
800
#4F531C
oklch(42.6% 0.077 113.1)
-
Step 900
900
#41451D
oklch(37.7% 0.06 114)
-
Step 950
950 (this color)
#191B05
oklch(21.4% 0.038 113.8)
#191B05 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) | #1E1903 | 0.011 |
| Deuteranopia (no green cones) | #1E1A06 | 0.011 |
| Tritanopia (no blue cones) | #1B1916 | 0.033 |
| Achromatopsia (no color) | #191919 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191B05
#191B05
oklch(21.4% 0.038 113.8)
- #1A1529
#1A1529
oklch(21.3% 0.039 294.3)
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 #191B05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.057
- Jet #212529 ΔE 0.066
- Rich Black #0D1B2A ΔE 0.069
- Dark Forest Green #002D04 ΔE 0.070
- Very Dark Green #062E03 ΔE 0.072
- Rich Navy #001219 ΔE 0.072
- Almost Black #070D0D ΔE 0.072
- Dark #1B2431 ΔE 0.077
Use #191B05 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.