#171900
Closest named color: Dark Brown (#341C02). oklch(20.4% 0.046 113.7), rgb(23, 25, 0).
Aa
White text reads best on this color (17.86:1).
About this color
#171900 is a very dark, muted brown. In OKLCH its lightness is 20%, its chroma 0.046 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 0.065 away. White text reads best on it, at 17.86:1.
| Hue family | Browns |
| Lightness | very dark (20%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.17:1 |
| White text | 17.86:1 |
Values
| HEX | #171900 |
| RGB | rgb(23, 25, 0) |
| HSL | hsl(65, 100%, 5%) |
| OKLCH | oklch(20.4% 0.046 113.7) |
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 #171900 | 17.86:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #171900 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #171900 text on white | 17.86:1 | AAA | Lc 104.6 | Preferred for body text |
| #171900 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
#E9EBDF
oklch(93.5% 0.016 114.4)
-
Step 200
200
#D8DCC5
oklch(88.5% 0.031 115)
-
Step 300
300
#C0C59D
oklch(80.9% 0.054 113.4)
-
Step 400
400
#A0A766
oklch(70.7% 0.088 113.7)
-
Step 500
500
#89913A
oklch(63.2% 0.111 114)
-
Step 600
600
#737A0D
oklch(55.5% 0.12 113.8)
-
Step 700
700
#616700
oklch(49.2% 0.11 113.7)
-
Step 800
800
#4F5406
oklch(42.7% 0.093 113.7)
-
Step 900
900
#414612
oklch(37.8% 0.073 114.6)
-
Step 950
950 (this color)
#171900
oklch(20.4% 0.046 113.7)
#171900 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) | #1C1700 | 0.012 |
| Deuteranopia (no green cones) | #1C1801 | 0.011 |
| Tritanopia (no blue cones) | #191714 | 0.041 |
| Achromatopsia (no color) | #171717 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171900
#171900
oklch(20.4% 0.046 113.7)
- #18122A
#18122A
oklch(20.4% 0.047 293.3)
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 #171900, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.065
- Almost Black #070D0D ΔE 0.069
- Rich Navy #001219 ΔE 0.073
- Dark Forest Green #002D04 ΔE 0.073
- Very Dark Green #062E03 ΔE 0.076
- Rich Black #0D1B2A ΔE 0.077
- Jet #212529 ΔE 0.078
- Very Dark Brown #1D0200 ΔE 0.083
Use #171900 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.