#1B2005
Closest named color: Dark Brown (#341C02). oklch(23.1% 0.045 118.8), rgb(27, 32, 5).
Aa
White text reads best on this color (16.72:1).
About this color
#1B2005 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.045 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.051 away. White text reads best on it, at 16.72:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.25:1 |
| White text | 16.72:1 |
Values
| HEX | #1B2005 |
| RGB | rgb(27, 32, 5) |
| HSL | hsl(71, 73%, 7%) |
| OKLCH | oklch(23.1% 0.045 118.8) |
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 #1B2005 | 16.72:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #1B2005 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #1B2005 text on white | 16.72:1 | AAA | Lc 103.6 | Preferred for body text |
| #1B2005 text on black | 1.25:1 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E8EBE0
oklch(93.5% 0.015 119.1)
-
Step 200
200
#D7DCC6
oklch(88.5% 0.03 117.4)
-
Step 300
300
#BCC69F
oklch(80.9% 0.054 119.3)
-
Step 400
400
#9BA86A
oklch(70.6% 0.085 118.3)
-
Step 500
500
#839340
oklch(63.2% 0.11 118.8)
-
Step 600
600
#6C7C1A
oklch(55.5% 0.12 118.8)
-
Step 700
700
#5B6909
oklch(49.2% 0.112 118.6)
-
Step 800
800
#4A560F
oklch(42.8% 0.093 119.1)
-
Step 900
900
#3E4715
oklch(37.8% 0.073 118.7)
-
Step 950
950 (this color)
#1B2005
oklch(23.1% 0.045 118.8)
#1B2005 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) | #231E03 | 0.016 |
| Deuteranopia (no green cones) | #221E06 | 0.015 |
| Tritanopia (no blue cones) | #1D1E1A | 0.038 |
| Achromatopsia (no color) | #1E1E1E | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B2005
#1B2005
oklch(23.1% 0.045 118.8)
- #201830
#201830
oklch(23.1% 0.046 298.1)
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 #1B2005, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.051
- Dark Forest Green #002D04 ΔE 0.054
- Very Dark Green #062E03 ΔE 0.055
- Jet #212529 ΔE 0.061
- Dark #1B2431 ΔE 0.074
- Rich Black #0D1B2A ΔE 0.076
- Chocolate Brown #411900 ΔE 0.080
- Pakistan Green #283618 ΔE 0.081
Use #1B2005 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.