#171B08
Closest named color: Dark Brown (#341C02). oklch(21.2% 0.034 119.2), rgb(23, 27, 8).
Aa
White text reads best on this color (17.54:1).
About this color
#171B08 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.034 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.061 away. White text reads best on it, at 17.54:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.19:1 |
| White text | 17.54:1 |
Values
| HEX | #171B08 |
| RGB | rgb(23, 27, 8) |
| HSL | hsl(73, 54%, 7%) |
| OKLCH | oklch(21.2% 0.034 119.2) |
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 #171B08 | 17.54:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #171B08 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #171B08 text on white | 17.54:1 | AAA | Lc 104.4 | Preferred for body text |
| #171B08 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E9EBE2
oklch(93.6% 0.012 116.8)
-
Step 200
200
#D7DBCB
oklch(88.4% 0.022 118.3)
-
Step 300
300
#BDC5A8
oklch(80.9% 0.041 119.8)
-
Step 400
400
#9CA779
oklch(70.8% 0.065 119)
-
Step 500
500
#849156
oklch(63.2% 0.083 119)
-
Step 600
600
#6D7B3B
oklch(55.6% 0.09 119.6)
-
Step 700
700
#5B672D
oklch(49% 0.083 119.3)
-
Step 800
800
#4B5426
oklch(42.6% 0.069 118.6)
-
Step 900
900
#3E4624
oklch(37.8% 0.054 119.9)
-
Step 950
950 (this color)
#171B08
oklch(21.2% 0.034 119.2)
#171B08 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) | #1D1907 | 0.013 |
| Deuteranopia (no green cones) | #1D1909 | 0.014 |
| Tritanopia (no blue cones) | #191917 | 0.030 |
| Achromatopsia (no color) | #191919 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171B08
#171B08
oklch(21.2% 0.034 119.2)
- #1B1526
#1B1526
oklch(21.2% 0.034 299.7)
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 #171B08, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.064
- Jet #212529 ΔE 0.064
- Rich Navy #001219 ΔE 0.067
- Almost Black #070D0D ΔE 0.069
- Dark Forest Green #002D04 ΔE 0.071
- Very Dark Green #062E03 ΔE 0.073
- Dark #1B2431 ΔE 0.074
Use #171B08 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.