#170B02
Closest named color: Very Dark Brown (#1D0200). oklch(16.4% 0.03 64.2), rgb(23, 11, 2).
Aa
White text reads best on this color (19.35:1).
About this color
#170B02 is a very dark, muted brown. In OKLCH its lightness is 16%, its chroma 0.030 and its hue 64°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.034 away. White text reads best on it, at 19.35:1.
| Hue family | Browns |
| Lightness | very dark (16%) |
| Chroma | muted (0.030) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.08:1 |
| White text | 19.35:1 |
Values
| HEX | #170B02 |
| RGB | rgb(23, 11, 2) |
| HSL | hsl(26, 84%, 5%) |
| OKLCH | oklch(16.4% 0.03 64.2) |
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 #170B02 | 19.35:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #170B02 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #170B02 text on white | 19.35:1 | AAA | Lc 105.6 | Preferred for body text |
| #170B02 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
#EFE9E3
oklch(93.7% 0.01 67.7)
-
Step 200
200
#E3D7CC
oklch(88.6% 0.02 65.1)
-
Step 300
300
#D2BCA9
oklch(80.9% 0.036 63.1)
-
Step 400
400
#BA9A7C
oklch(70.8% 0.057 64.9)
-
Step 500
500
#A9805A
oklch(63.1% 0.073 63.7)
-
Step 600
600
#94693F
oklch(55.6% 0.08 64.2)
-
Step 700
700
#7E5731
oklch(49% 0.074 63.9)
-
Step 800
800
#66482A
oklch(42.7% 0.06 65)
-
Step 900
900
#533C26
oklch(37.6% 0.047 64.3)
-
Step 950
950 (this color)
#170B02
oklch(16.4% 0.03 64.2)
#170B02 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) | #0F0C01 | 0.020 |
| Deuteranopia (no green cones) | #120F02 | 0.018 |
| Tritanopia (no blue cones) | #1A0808 | 0.023 |
| Achromatopsia (no color) | #0E0E0E | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170B02
#170B02
oklch(16.4% 0.03 64.2)
- #030F1A
#030F1A
oklch(16.3% 0.031 244.4)
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 #170B02, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.034
- Almost Black #070D0D ΔE 0.039
- Rich Navy #001219 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.085
- Dark Brown #341C02 ΔE 0.093
- Dark Maroon #3C0008 ΔE 0.094
- Deep Brown #410200 ΔE 0.103
- Jet #212529 ΔE 0.106
Use #170B02 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.