#1B0500
Closest named color: Very Dark Brown (#1D0200). oklch(15.5% 0.045 44.1), rgb(27, 5, 0).
Aa
White text reads best on this color (19.65:1).
About this color
#1B0500 is a very dark, muted brown. In OKLCH its lightness is 16%, its chroma 0.045 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.013 away. White text reads best on it, at 19.65:1.
| Hue family | Browns |
| Lightness | very dark (16%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.06:1 |
| White text | 19.65:1 |
Values
| HEX | #1B0500 |
| RGB | rgb(27, 5, 0) |
| HSL | hsl(11, 100%, 5%) |
| OKLCH | oklch(15.5% 0.045 44.1) |
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 #1B0500 | 19.65:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #1B0500 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #1B0500 text on white | 19.65:1 | AAA | Lc 105.6 | Preferred for body text |
| #1B0500 text on black | 1.06:1 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EBD3CA
oklch(88.4% 0.03 41.7)
-
Step 300
300
#DFB6A5
oklch(80.8% 0.053 43.7)
-
Step 400
400
#CE9075
oklch(70.8% 0.085 44.4)
-
Step 500
500
#C07350
oklch(63.2% 0.109 44.7)
-
Step 600
600
#AB5A34
oklch(55.7% 0.118 44.6)
-
Step 700
700
#934927
oklch(49.1% 0.11 43.9)
-
Step 800
800
#773C21
oklch(42.6% 0.091 44.1)
-
Step 900
900
#603420
oklch(37.6% 0.071 44.5)
-
Step 950
950 (this color)
#1B0500
oklch(15.5% 0.045 44.1)
#1B0500 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) | #0B0800 | 0.042 |
| Deuteranopia (no green cones) | #100D00 | 0.039 |
| Tritanopia (no blue cones) | #1F0204 | 0.023 |
| Achromatopsia (no color) | #0B0B0B | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0500
#1B0500
oklch(15.5% 0.045 44.1)
- #000F15
#000F15
oklch(15.6% 0.029 221.4)
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 #1B0500, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.013
- Almost Black #070D0D ΔE 0.054
- Rich Navy #001219 ΔE 0.078
- Dark Maroon #3C0008 ΔE 0.088
- Deep Brown #410200 ΔE 0.098
- Rich Black #0D1B2A ΔE 0.100
- Dark Brown #341C02 ΔE 0.100
- Chocolate Brown #411900 ΔE 0.118
Use #1B0500 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.