#171C0C
Closest named color: Jet (#212529). oklch(21.6% 0.03 123.1), rgb(23, 28, 12).
Aa
White text reads best on this color (17.38:1).
About this color
#171C0C is a very dark, muted brown. In OKLCH its lightness is 22%, its chroma 0.030 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.059 away. White text reads best on it, at 17.38:1.
| Hue family | Browns |
| Lightness | very dark (22%) |
| Chroma | muted (0.030) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.20:1 |
| White text | 17.38:1 |
Values
| HEX | #171C0C |
| RGB | rgb(23, 28, 12) |
| HSL | hsl(79, 40%, 8%) |
| OKLCH | oklch(21.6% 0.03 123.1) |
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 #171C0C | 17.38:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #171C0C | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #171C0C text on white | 17.38:1 | AAA | Lc 104.2 | Preferred for body text |
| #171C0C 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E8EBE4
oklch(93.6% 0.01 125.7)
-
Step 200
200
#D6DBCD
oklch(88.4% 0.02 122.9)
-
Step 300
300
#BCC5AC
oklch(81% 0.036 123.3)
-
Step 400
400
#9AA780
oklch(70.8% 0.057 122.8)
-
Step 500
500
#81915F
oklch(63.1% 0.073 122.9)
-
Step 600
600
#6A7B46
oklch(55.6% 0.079 123.5)
-
Step 700
700
#596837
oklch(49.2% 0.074 123.1)
-
Step 800
800
#49552E
oklch(42.9% 0.061 123)
-
Step 900
900
#3D4629
oklch(37.8% 0.048 122.7)
-
Step 950
950 (this color)
#171C0C
oklch(21.6% 0.03 123.1)
#171C0C 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) | #1E1A0B | 0.014 |
| Deuteranopia (no green cones) | #1D1A0D | 0.014 |
| Tritanopia (no blue cones) | #181B18 | 0.023 |
| Achromatopsia (no color) | #1A1A1A | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171C0C
#171C0C
oklch(21.6% 0.03 123.1)
- #1C1625
#1C1625
oklch(21.5% 0.03 302.3)
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 #171C0C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.059
- Rich Black #0D1B2A ΔE 0.059
- Dark Brown #341C02 ΔE 0.059
- Rich Navy #001219 ΔE 0.066
- Dark #1B2431 ΔE 0.068
- Almost Black #070D0D ΔE 0.070
- Dark Forest Green #002D04 ΔE 0.070
- Very Dark Green #062E03 ΔE 0.072
Use #171C0C 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.