#391001
Closest named color: Deep Brown (#410200). oklch(23.9% 0.07 41.5), rgb(57, 16, 1).
Aa
White text reads best on this color (16.81:1).
About this color
#391001 is a very dark, moderately saturated brown. In OKLCH its lightness is 24%, its chroma 0.070 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.029 away. White text reads best on it, at 16.81:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.24:1 |
| White text | 16.81:1 |
Values
| HEX | #391001 |
| RGB | rgb(57, 16, 1) |
| HSL | hsl(16, 97%, 11%) |
| OKLCH | oklch(23.9% 0.07 41.5) |
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 #391001 | 16.81:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #391001 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #391001 text on white | 16.81:1 | AAA | Lc 103.3 | Preferred for body text |
| #391001 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#F9E5DE
oklch(93.6% 0.024 40.3)
-
Step 200
200
#F5D0C2
oklch(88.5% 0.046 41.8)
-
Step 300
300
#F0AF97
oklch(80.9% 0.084 41.1)
-
Step 400
400
#E5825C
oklch(70.7% 0.133 41.4)
-
Step 500
500
#DB5E27
oklch(63.2% 0.17 41.6)
-
Step 600
600
#C04600
oklch(55.6% 0.169 41.6)
-
Step 700
700
#A33A00
oklch(49.2% 0.15 41.5)
-
Step 800
800
#862E00
oklch(42.6% 0.13 41.4)
-
Step 900
900
#702704
oklch(37.8% 0.112 41.3)
-
Step 950
950 (this color)
#391001
oklch(23.9% 0.07 41.5)
#391001 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) | #1C1700 | 0.069 |
| Deuteranopia (no green cones) | #262100 | 0.063 |
| Tritanopia (no blue cones) | #40050D | 0.034 |
| Achromatopsia (no color) | #1D1D1D | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #391001
#391001
oklch(23.9% 0.07 41.5)
- #00232E
#00232E
oklch(23.8% 0.044 223.3)
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 #391001, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.029
- Chocolate Brown #411900 ΔE 0.032
- Dark Brown #341C02 ΔE 0.033
- Dark Maroon #3C0008 ΔE 0.038
- Mahogany #4A0100 ΔE 0.043
- Jet #212529 ΔE 0.082
- Dark Plum #3F012C ΔE 0.088
- Very Dark Brown #1D0200 ΔE 0.090
Use #391001 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.