#391103
Closest named color: Deep Brown (#410200). oklch(24.1% 0.068 40.2), rgb(57, 17, 3).
Aa
White text reads best on this color (16.72:1).
About this color
#391103 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.068 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.030 away. White text reads best on it, at 16.72:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.25:1 |
| White text | 16.72:1 |
Values
| HEX | #391103 |
| RGB | rgb(57, 17, 3) |
| HSL | hsl(16, 90%, 12%) |
| OKLCH | oklch(24.1% 0.068 40.2) |
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 #391103 | 16.72:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #391103 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #391103 text on white | 16.72:1 | AAA | Lc 103.2 | Preferred for body text |
| #391103 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F9E5DE
oklch(93.6% 0.024 40.3)
-
Step 200
200
#F4D0C3
oklch(88.5% 0.044 40.9)
-
Step 300
300
#EFAF99
oklch(80.8% 0.082 39.8)
-
Step 400
400
#E48360
oklch(70.8% 0.129 40.4)
-
Step 500
500
#D95F30
oklch(63.1% 0.165 40.2)
-
Step 600
600
#C24300
oklch(55.5% 0.173 40.3)
-
Step 700
700
#A43700
oklch(49% 0.153 40.1)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#6F280A
oklch(37.8% 0.108 40.3)
-
Step 950
950 (this color)
#391103
oklch(24.1% 0.068 40.2)
#391103 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) | #1C1802 | 0.068 |
| Deuteranopia (no green cones) | #262102 | 0.061 |
| Tritanopia (no blue cones) | #40070E | 0.032 |
| Achromatopsia (no color) | #1E1E1E | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #391103
#391103
oklch(24.1% 0.068 40.2)
- #00242E
#00242E
oklch(24.1% 0.044 220.6)
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 #391103, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.030
- Chocolate Brown #411900 ΔE 0.031
- Dark Brown #341C02 ΔE 0.032
- Dark Maroon #3C0008 ΔE 0.038
- Mahogany #4A0100 ΔE 0.043
- Jet #212529 ΔE 0.080
- Dark Plum #3F012C ΔE 0.086
- Very Dark Brown #1D0200 ΔE 0.091
Use #391103 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.