#381603
Closest named color: Dark Brown (#341C02). oklch(24.8% 0.062 47.9), rgb(56, 22, 3).
Aa
White text reads best on this color (16.35:1).
About this color
#381603 is a very dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.062 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.019 away. White text reads best on it, at 16.35:1.
| Hue family | Browns |
| Lightness | very dark (25%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.28:1 |
| White text | 16.35:1 |
Values
| HEX | #381603 |
| RGB | rgb(56, 22, 3) |
| HSL | hsl(22, 90%, 12%) |
| OKLCH | oklch(24.8% 0.062 47.9) |
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 #381603 | 16.35:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #381603 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #381603 text on white | 16.35:1 | AAA | Lc 103.0 | Preferred for body text |
| #381603 text on black | 1.28:1 | 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
#F7E6DE
oklch(93.6% 0.022 47)
-
Step 200
200
#F1D2C2
oklch(88.5% 0.041 49)
-
Step 300
300
#E9B398
oklch(80.9% 0.073 47.8)
-
Step 400
400
#DC895D
oklch(70.8% 0.118 48.1)
-
Step 500
500
#D0682A
oklch(63.1% 0.15 47.8)
-
Step 600
600
#B75100
oklch(55.7% 0.151 48.1)
-
Step 700
700
#9B4300
oklch(49.2% 0.134 47.9)
-
Step 800
800
#803600
oklch(42.8% 0.117 47.8)
-
Step 900
900
#692E06
oklch(37.7% 0.097 48.3)
-
Step 950
950 (this color)
#381603
oklch(24.8% 0.062 47.9)
#381603 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) | #201B01 | 0.055 |
| Deuteranopia (no green cones) | #282303 | 0.051 |
| Tritanopia (no blue cones) | #3E0E12 | 0.035 |
| Achromatopsia (no color) | #202020 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #381603
#381603
oklch(24.8% 0.062 47.9)
- #002533
#002533
oklch(24.7% 0.048 228.3)
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 #381603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.019
- Chocolate Brown #411900 ΔE 0.024
- Deep Brown #410200 ΔE 0.041
- Mahogany #4A0100 ΔE 0.051
- Dark Maroon #3C0008 ΔE 0.051
- Jet #212529 ΔE 0.072
- Dark #1B2431 ΔE 0.088
- Dark Plum #3F012C ΔE 0.093
Use #381603 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.