#1B2001
Closest named color: Dark Forest Green (#002D04). oklch(23% 0.052 118), rgb(27, 32, 1).
Aa
White text reads best on this color (16.75:1).
About this color
#1B2001 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.052 and its hue 118°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.051 away. White text reads best on it, at 16.75:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.25:1 |
| White text | 16.75:1 |
Values
| HEX | #1B2001 |
| RGB | rgb(27, 32, 1) |
| HSL | hsl(70, 94%, 6%) |
| OKLCH | oklch(23% 0.052 118) |
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 #1B2001 | 16.75:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #1B2001 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #1B2001 text on white | 16.75:1 | AAA | Lc 103.6 | Preferred for body text |
| #1B2001 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
#F5F6F0
oklch(97.1% 0.008 114.2)
-
Step 100
100
#E8ECDF
oklch(93.6% 0.018 120.7)
-
Step 200
200
#D7DDC4
oklch(88.6% 0.034 118.1)
-
Step 300
300
#BDC79A
oklch(81% 0.062 118)
-
Step 400
400
#9BA960
oklch(70.7% 0.098 117.9)
-
Step 500
500
#83932E
oklch(63.1% 0.126 117.9)
-
Step 600
600
#6D7D00
oklch(55.7% 0.13 118.3)
-
Step 700
700
#5B6900
oklch(49.2% 0.115 118.5)
-
Step 800
800
#4B5600
oklch(42.8% 0.1 117.9)
-
Step 900
900
#3E4709
oklch(37.7% 0.082 118)
-
Step 950
950 (this color)
#1B2001
oklch(23% 0.052 118)
#1B2001 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) | #231E00 | 0.016 |
| Deuteranopia (no green cones) | #221E03 | 0.016 |
| Tritanopia (no blue cones) | #1D1D1A | 0.046 |
| Achromatopsia (no color) | #1E1E1E | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B2001
#1B2001
oklch(23% 0.052 118)
- #201732
#201732
oklch(23.1% 0.052 297.6)
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 #1B2001, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.051
- Very Dark Green #062E03 ΔE 0.052
- Dark Brown #341C02 ΔE 0.053
- Jet #212529 ΔE 0.066
- Dark #1B2431 ΔE 0.080
- Rich Black #0D1B2A ΔE 0.082
- Chocolate Brown #411900 ΔE 0.082
- Pakistan Green #283618 ΔE 0.082
Use #1B2001 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.