#3A1903
Closest named color: Dark Brown (#341C02). oklch(25.7% 0.062 51.3), rgb(58, 25, 3).
Aa
White text reads best on this color (15.90:1).
About this color
#3A1903 is a dark, muted brown. In OKLCH its lightness is 26%, its chroma 0.062 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.016 away. White text reads best on it, at 15.90:1.
| Hue family | Browns |
| Lightness | dark (26%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.32:1 |
| White text | 15.90:1 |
Values
| HEX | #3A1903 |
| RGB | rgb(58, 25, 3) |
| HSL | hsl(24, 90%, 12%) |
| OKLCH | oklch(25.7% 0.062 51.3) |
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 #3A1903 | 15.90:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #3A1903 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #3A1903 text on white | 15.90:1 | AAA | Lc 102.6 | Preferred for body text |
| #3A1903 text on black | 1.32:1 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DD
oklch(93.5% 0.021 51.5)
-
Step 200
200
#F0D2C1
oklch(88.4% 0.041 51.4)
-
Step 300
300
#E8B496
oklch(81% 0.073 51.3)
-
Step 400
400
#DA8A5A
oklch(70.6% 0.117 50.9)
-
Step 500
500
#CE6A21
oklch(63% 0.15 51.3)
-
Step 600
600
#B35500
oklch(55.7% 0.144 51.3)
-
Step 700
700
#974700
oklch(49.2% 0.127 51.6)
-
Step 800
800
#7D3900
oklch(42.8% 0.111 51.1)
-
Step 900
900
#682F00
oklch(37.6% 0.097 51.8)
-
Step 950
950 (this color)
#3A1903
oklch(25.7% 0.062 51.3)
#3A1903 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) | #231D01 | 0.052 |
| Deuteranopia (no green cones) | #2B2503 | 0.047 |
| Tritanopia (no blue cones) | #411214 | 0.037 |
| Achromatopsia (no color) | #222222 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A1903
#3A1903
oklch(25.7% 0.062 51.3)
- #002738
#002738
oklch(25.6% 0.053 232.3)
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 #3A1903, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.016
- Chocolate Brown #411900 ΔE 0.016
- Deep Brown #410200 ΔE 0.047
- Mahogany #4A0100 ΔE 0.052
- Dark Maroon #3C0008 ΔE 0.059
- Jet #212529 ΔE 0.071
- Dark #1B2431 ΔE 0.088
- Pakistan Green #283618 ΔE 0.091
Use #3A1903 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.