#171904
Closest named color: Dark Brown (#341C02). oklch(20.5% 0.038 114), rgb(23, 25, 4).
Aa
White text reads best on this color (17.83:1).
About this color
#171904 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 0.064 away. White text reads best on it, at 17.83:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.17:1 |
| White text | 17.83:1 |
Values
| HEX | #171904 |
| RGB | rgb(23, 25, 4) |
| HSL | hsl(66, 72%, 6%) |
| OKLCH | oklch(20.5% 0.038 114) |
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 #171904 | 17.83:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #171904 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #171904 text on white | 17.83:1 | AAA | Lc 104.6 | Preferred for body text |
| #171904 text on black | 1.17:1 | 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
#C0C4A4
oklch(80.9% 0.044 113.2)
-
Step 400
400
#A0A672
oklch(70.7% 0.071 113.6)
-
Step 500
500
#89904C
oklch(63.2% 0.092 113.9)
-
Step 600
600
#737A2E
oklch(55.7% 0.1 114.1)
-
Step 700
700
#606621
oklch(49% 0.092 114)
-
Step 800
800
#4F531D
oklch(42.6% 0.076 113.1)
-
Step 900
900
#41451E
oklch(37.7% 0.059 114.1)
-
Step 950
950 (this color)
#171904
oklch(20.5% 0.038 114)
#171904 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) | #1C1703 | 0.011 |
| Deuteranopia (no green cones) | #1B1805 | 0.009 |
| Tritanopia (no blue cones) | #191714 | 0.033 |
| Achromatopsia (no color) | #181818 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171904
#171904
oklch(20.5% 0.038 114)
- #181427
#181427
oklch(20.6% 0.037 292.5)
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 #171904, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.064
- Almost Black #070D0D ΔE 0.065
- Rich Navy #001219 ΔE 0.067
- Rich Black #0D1B2A ΔE 0.069
- Jet #212529 ΔE 0.072
- Dark Forest Green #002D04 ΔE 0.076
- Very Dark Green #062E03 ΔE 0.078
- Very Dark Brown #1D0200 ΔE 0.081
Use #171904 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.