#170B00
Closest named color: Very Dark Brown (#1D0200). oklch(16.3% 0.035 72.1), rgb(23, 11, 0).
Aa
White text reads best on this color (19.36:1).
About this color
#170B00 is a very dark, muted brown. In OKLCH its lightness is 16%, its chroma 0.035 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.036 away. White text reads best on it, at 19.36:1.
| Hue family | Browns |
| Lightness | very dark (16%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.08:1 |
| White text | 19.36:1 |
Values
| HEX | #170B00 |
| RGB | rgb(23, 11, 0) |
| HSL | hsl(29, 100%, 5%) |
| OKLCH | oklch(16.3% 0.035 72.1) |
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 #170B00 | 19.36:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #170B00 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #170B00 text on white | 19.36:1 | AAA | Lc 105.6 | Preferred for body text |
| #170B00 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E1
oklch(93.7% 0.013 75.4)
-
Step 200
200
#E3D7C9
oklch(88.5% 0.023 71.8)
-
Step 300
300
#D2BDA4
oklch(80.9% 0.042 72)
-
Step 400
400
#BB9A73
oklch(70.7% 0.066 71.1)
-
Step 500
500
#A9814E
oklch(63.1% 0.084 72)
-
Step 600
600
#946A30
oklch(55.6% 0.092 72.6)
-
Step 700
700
#7E5823
oklch(49.1% 0.085 72.3)
-
Step 800
800
#67481E
oklch(42.7% 0.071 72)
-
Step 900
900
#543D1E
oklch(37.8% 0.056 72.9)
-
Step 950
950 (this color)
#170B00
oklch(16.3% 0.035 72.1)
#170B00 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 | 0.019 |
| Deuteranopia (no green cones) | #120F00 | 0.018 |
| Tritanopia (no blue cones) | #1A0808 | 0.029 |
| Achromatopsia (no color) | #0E0E0E | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170B00
#170B00
oklch(16.3% 0.035 72.1)
- #030E1C
#030E1C
oklch(16.1% 0.035 251.7)
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 #170B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.036
- Almost Black #070D0D ΔE 0.043
- Rich Navy #001219 ΔE 0.064
- Rich Black #0D1B2A ΔE 0.089
- Dark Brown #341C02 ΔE 0.093
- Dark Maroon #3C0008 ΔE 0.097
- Deep Brown #410200 ΔE 0.104
- Jet #212529 ΔE 0.108
Use #170B00 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.