#1D1F01
Closest named color: Dark Brown (#341C02). oklch(23% 0.05 113.2), rgb(29, 31, 1).
Aa
White text reads best on this color (16.81:1).
About this color
#1D1F01 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.050 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.049 away. White text reads best on it, at 16.81:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.24:1 |
| White text | 16.81:1 |
Values
| HEX | #1D1F01 |
| RGB | rgb(29, 31, 1) |
| HSL | hsl(64, 94%, 6%) |
| OKLCH | oklch(23% 0.05 113.2) |
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 #1D1F01 | 16.81:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #1D1F01 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #1D1F01 text on white | 16.81:1 | AAA | Lc 103.7 | Preferred for body text |
| #1D1F01 text on black | 1.24:1 | 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
#E9EBDF
oklch(93.5% 0.016 114.4)
-
Step 200
200
#D9DCC4
oklch(88.6% 0.032 112.8)
-
Step 300
300
#C0C59A
oklch(80.8% 0.058 113.1)
-
Step 400
400
#A0A761
oklch(70.7% 0.093 113.5)
-
Step 500
500
#8A912F
oklch(63.2% 0.12 113.3)
-
Step 600
600
#747A00
oklch(55.6% 0.124 113.2)
-
Step 700
700
#616700
oklch(49.2% 0.11 113.7)
-
Step 800
800
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900
#424609
oklch(37.8% 0.079 113.5)
-
Step 950
950 (this color)
#1D1F01
oklch(23% 0.05 113.2)
#1D1F01 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) | #221D00 | 0.011 |
| Deuteranopia (no green cones) | #221E02 | 0.011 |
| Tritanopia (no blue cones) | #201C19 | 0.045 |
| Achromatopsia (no color) | #1D1D1D | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D1F01
#1D1F01
oklch(23% 0.05 113.2)
- #1E1832
#1E1832
oklch(23.1% 0.049 292.7)
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 #1D1F01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.049
- Dark Forest Green #002D04 ΔE 0.056
- Very Dark Green #062E03 ΔE 0.057
- Jet #212529 ΔE 0.065
- Chocolate Brown #411900 ΔE 0.078
- Dark #1B2431 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.080
- Pakistan Green #283618 ΔE 0.084
Use #1D1F01 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.