#1D0901
Closest named color: Very Dark Brown (#1D0200). oklch(17% 0.041 49.9), rgb(29, 9, 1).
Aa
White text reads best on this color (19.23:1).
About this color
#1D0901 is a very dark, muted brown. In OKLCH its lightness is 17%, its chroma 0.041 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.026 away. White text reads best on it, at 19.23:1.
| Hue family | Browns |
| Lightness | very dark (17%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.09:1 |
| White text | 19.23:1 |
Values
| HEX | #1D0901 |
| RGB | rgb(29, 9, 1) |
| HSL | hsl(17, 93%, 6%) |
| OKLCH | oklch(17% 0.041 49.9) |
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 #1D0901 | 19.23:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #1D0901 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #1D0901 text on white | 19.23:1 | AAA | Lc 105.4 | Preferred for body text |
| #1D0901 text on black | 1.09:1 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E2
oklch(93.5% 0.014 46.2)
-
Step 200
200
#E9D4CA
oklch(88.4% 0.027 47.2)
-
Step 300
300
#DBB8A5
oklch(80.8% 0.048 50.2)
-
Step 400
400
#C99375
oklch(70.8% 0.078 50.1)
-
Step 500
500
#BA7751
oklch(63.2% 0.099 49.8)
-
Step 600
600
#A55F34
oklch(55.7% 0.108 50.5)
-
Step 700
700
#8D4E27
oklch(49.1% 0.1 50.3)
-
Step 800
800
#734022
oklch(42.8% 0.083 49.6)
-
Step 900
900
#5D3720
oklch(37.8% 0.065 50.9)
-
Step 950
950 (this color)
#1D0901
oklch(17% 0.041 49.9)
#1D0901 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) | #0F0C00 | 0.036 |
| Deuteranopia (no green cones) | #141001 | 0.031 |
| Tritanopia (no blue cones) | #210507 | 0.026 |
| Achromatopsia (no color) | #0F0F0F | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D0901
#1D0901
oklch(17% 0.041 49.9)
- #00121B
#00121B
oklch(17% 0.034 228.9)
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 #1D0901, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.026
- Almost Black #070D0D ΔE 0.053
- Rich Navy #001219 ΔE 0.072
- Dark Maroon #3C0008 ΔE 0.080
- Dark Brown #341C02 ΔE 0.086
- Rich Black #0D1B2A ΔE 0.089
- Deep Brown #410200 ΔE 0.089
- Chocolate Brown #411900 ΔE 0.105
Use #1D0901 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.