#1B1001
Closest named color: Very Dark Brown (#1D0200). oklch(18.4% 0.036 77.6), rgb(27, 16, 1).
Aa
White text reads best on this color (18.73:1).
About this color
#1B1001 is a very dark, muted brown. In OKLCH its lightness is 18%, its chroma 0.036 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.049 away. White text reads best on it, at 18.73:1.
| Hue family | Browns |
| Lightness | very dark (18%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.12:1 |
| White text | 18.73:1 |
Values
| HEX | #1B1001 |
| RGB | rgb(27, 16, 1) |
| HSL | hsl(35, 93%, 5%) |
| OKLCH | oklch(18.4% 0.036 77.6) |
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 #1B1001 | 18.73:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #1B1001 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #1B1001 text on white | 18.73:1 | AAA | Lc 105.2 | Preferred for body text |
| #1B1001 text on black | 1.12:1 | 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
#EEE9E1
oklch(93.6% 0.012 79.8)
-
Step 200
200
#E2D8C8
oklch(88.6% 0.024 79.7)
-
Step 300
300
#D0BEA3
oklch(80.9% 0.042 78)
-
Step 400
400
#B89C70
oklch(70.7% 0.068 78.6)
-
Step 500
500
#A7834A
oklch(63.2% 0.087 77.6)
-
Step 600
600
#926C2B
oklch(55.7% 0.095 77.9)
-
Step 700
700
#7C5A1E
oklch(49.2% 0.087 78)
-
Step 800
800
#65491B
oklch(42.6% 0.072 76.8)
-
Step 900
900
#523E1C
oklch(37.8% 0.057 78.9)
-
Step 950
950 (this color)
#1B1001
oklch(18.4% 0.036 77.6)
#1B1001 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 | 0.017 |
| Deuteranopia (no green cones) | #171301 | 0.014 |
| Tritanopia (no blue cones) | #1E0D0C | 0.030 |
| Achromatopsia (no color) | #121212 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B1001
#1B1001
oklch(18.4% 0.036 77.6)
- #081222
#081222
oklch(18.2% 0.036 259.2)
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 #1B1001, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.049
- Almost Black #070D0D ΔE 0.052
- Rich Navy #001219 ΔE 0.066
- Dark Brown #341C02 ΔE 0.073
- Rich Black #0D1B2A ΔE 0.079
- Dark Maroon #3C0008 ΔE 0.088
- Jet #212529 ΔE 0.091
- Deep Brown #410200 ΔE 0.093
Use #1B1001 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.