#171100
Closest named color: Almost Black (#070D0D). oklch(18% 0.037 93.8), rgb(23, 17, 0).
Aa
White text reads best on this color (18.80:1).
About this color
#171100 is a very dark, muted brown. In OKLCH its lightness is 18%, its chroma 0.037 and its hue 94°. Its hue sits on the warm side of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.049 away. White text reads best on it, at 18.80:1.
| Hue family | Browns |
| Lightness | very dark (18%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.11:1 |
| White text | 18.80:1 |
Values
| HEX | #171100 |
| RGB | rgb(23, 17, 0) |
| HSL | hsl(44, 100%, 5%) |
| OKLCH | oklch(18% 0.037 93.8) |
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 #171100 | 18.80:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #171100 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #171100 text on white | 18.80:1 | AAA | Lc 105.3 | Preferred for body text |
| #171100 text on black | 1.11:1 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DED9C8
oklch(88.5% 0.024 93.4)
-
Step 300
300
#CAC1A1
oklch(81% 0.044 94.1)
-
Step 400
400
#AFA06E
oklch(70.7% 0.07 93.4)
-
Step 500
500
#9B8846
oklch(63% 0.089 93.6)
-
Step 600
600
#867226
oklch(55.6% 0.097 94.1)
-
Step 700
700
#725F18
oklch(49.1% 0.09 93.3)
-
Step 800
800
#5D4E17
oklch(42.8% 0.075 93.5)
-
Step 900
900
#4C411A
oklch(37.8% 0.058 93.7)
-
Step 950
950 (this color)
#171100
oklch(18% 0.037 93.8)
#171100 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) | #141000 | 0.008 |
| Deuteranopia (no green cones) | #161200 | 0.004 |
| Tritanopia (no blue cones) | #1A0E0D | 0.035 |
| Achromatopsia (no color) | #121212 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171100
#171100
oklch(18% 0.037 93.8)
- #0D1022
#0D1022
oklch(18.1% 0.037 274.9)
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 #171100, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.049
- Very Dark Brown #1D0200 ΔE 0.055
- Rich Navy #001219 ΔE 0.063
- Dark Brown #341C02 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.080
- Jet #212529 ΔE 0.094
- Dark Maroon #3C0008 ΔE 0.098
- Dark #1B2431 ΔE 0.101
Use #171100 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.