#381B05
Closest named color: Dark Brown (#341C02). oklch(25.8% 0.056 54.6), rgb(56, 27, 5).
Aa
White text reads best on this color (15.82:1).
About this color
#381B05 is a dark, muted brown. In OKLCH its lightness is 26%, its chroma 0.056 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.011 away. White text reads best on it, at 15.82:1.
| Hue family | Browns |
| Lightness | dark (26%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.32:1 |
| White text | 15.82:1 |
Values
| HEX | #381B05 |
| RGB | rgb(56, 27, 5) |
| HSL | hsl(26, 84%, 12%) |
| OKLCH | oklch(25.8% 0.056 54.6) |
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 #381B05 | 15.82:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #381B05 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #381B05 text on white | 15.82:1 | AAA | Lc 102.6 | Preferred for body text |
| #381B05 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
#F5E7DE
oklch(93.7% 0.02 55.1)
-
Step 200
200
#EED3C3
oklch(88.5% 0.037 52.7)
-
Step 300
300
#E4B698
oklch(81% 0.067 54.7)
-
Step 400
400
#D48E5E
oklch(70.7% 0.106 54.6)
-
Step 500
500
#C7702A
oklch(63.1% 0.136 55.1)
-
Step 600
600
#AF5800
oklch(55.6% 0.139 54.3)
-
Step 700
700
#944A00
oklch(49.2% 0.122 54.7)
-
Step 800
800
#7A3C00
oklch(42.8% 0.106 54.9)
-
Step 900
900
#653206
oklch(37.7% 0.09 54.3)
-
Step 950
950 (this color)
#381B05
oklch(25.8% 0.056 54.6)
#381B05 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) | #241E03 | 0.045 |
| Deuteranopia (no green cones) | #2A2505 | 0.042 |
| Tritanopia (no blue cones) | #3E1516 | 0.036 |
| Achromatopsia (no color) | #222222 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #381B05
#381B05
oklch(25.8% 0.056 54.6)
- #00273A
#00273A
oklch(25.8% 0.055 235.3)
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 #381B05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.011
- Chocolate Brown #411900 ΔE 0.020
- Deep Brown #410200 ΔE 0.053
- Mahogany #4A0100 ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.063
- Jet #212529 ΔE 0.066
- Dark #1B2431 ΔE 0.083
- Pakistan Green #283618 ΔE 0.085
Use #381B05 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.