#170B01
Closest named color: Very Dark Brown (#1D0200). oklch(16.4% 0.032 68.3), rgb(23, 11, 1).
Aa
White text reads best on this color (19.35:1).
About this color
#170B01 is a very dark, muted brown. In OKLCH its lightness is 16%, its chroma 0.032 and its hue 68°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.035 away. White text reads best on it, at 19.35:1.
| Hue family | Browns |
| Lightness | very dark (16%) |
| Chroma | muted (0.032) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.08:1 |
| White text | 19.35:1 |
Values
| HEX | #170B01 |
| RGB | rgb(23, 11, 1) |
| HSL | hsl(27, 92%, 5%) |
| OKLCH | oklch(16.4% 0.032 68.3) |
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 #170B01 | 19.35:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #170B01 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #170B01 text on white | 19.35:1 | AAA | Lc 105.6 | Preferred for body text |
| #170B01 text on black | 1.08:1 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE9E2
oklch(93.7% 0.011 71.9)
-
Step 200
200
#E3D7CB
oklch(88.6% 0.021 67.6)
-
Step 300
300
#D2BDA7
oklch(81% 0.038 68.5)
-
Step 400
400
#BA9A77
oklch(70.7% 0.061 69.1)
-
Step 500
500
#A98154
oklch(63.2% 0.079 68.9)
-
Step 600
600
#946938
oklch(55.5% 0.086 68)
-
Step 700
700
#7E582B
oklch(49.2% 0.079 68.7)
-
Step 800
800
#674825
oklch(42.8% 0.066 67.8)
-
Step 900
900
#543C22
oklch(37.7% 0.052 67.3)
-
Step 950
950 (this color)
#170B01
oklch(16.4% 0.032 68.3)
#170B01 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) | #0F0C00 | 0.020 |
| Deuteranopia (no green cones) | #120F01 | 0.018 |
| Tritanopia (no blue cones) | #1A0808 | 0.026 |
| Achromatopsia (no color) | #0E0E0E | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170B01
#170B01
oklch(16.4% 0.032 68.3)
- #030F1B
#030F1B
oklch(16.3% 0.032 246.6)
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 #170B01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.035
- Almost Black #070D0D ΔE 0.041
- Rich Navy #001219 ΔE 0.062
- Rich Black #0D1B2A ΔE 0.087
- Dark Brown #341C02 ΔE 0.093
- Dark Maroon #3C0008 ΔE 0.095
- Deep Brown #410200 ΔE 0.103
- Jet #212529 ΔE 0.107
Use #170B01 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.