#381B0B
Closest named color: Dark Brown (#341C02). oklch(25.9% 0.053 47.9), rgb(56, 27, 11).
Aa
White text reads best on this color (15.79:1).
About this color
#381B0B is a dark, muted brown. In OKLCH its lightness is 26%, its chroma 0.053 and its hue 48°. 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 15.79:1.
| Hue family | Browns |
| Lightness | dark (26%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.32:1 |
| White text | 15.79:1 |
Values
| HEX | #381B0B |
| RGB | rgb(56, 27, 11) |
| HSL | hsl(21, 67%, 13%) |
| OKLCH | oklch(25.9% 0.053 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 #381B0B | 15.79:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #381B0B | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #381B0B text on white | 15.79:1 | AAA | Lc 102.5 | Preferred for body text |
| #381B0B 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F5E7E0
oklch(93.7% 0.018 48.5)
-
Step 200
200
#EDD3C6
oklch(88.5% 0.034 48.3)
-
Step 300
300
#E3B59E
oklch(80.8% 0.062 47.9)
-
Step 400
400
#D48D69
oklch(70.7% 0.1 47.5)
-
Step 500
500
#C76F3F
oklch(63.2% 0.128 47.7)
-
Step 600
600
#B2551A
oklch(55.6% 0.139 48)
-
Step 700
700
#99450A
oklch(49.2% 0.129 48.1)
-
Step 800
800
#7C390E
oklch(42.7% 0.107 48.1)
-
Step 900
900
#643215
oklch(37.7% 0.083 48.3)
-
Step 950
950 (this color)
#381B0B
oklch(25.9% 0.053 47.9)
#381B0B 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) | #231F09 | 0.046 |
| Deuteranopia (no green cones) | #2A250B | 0.042 |
| Tritanopia (no blue cones) | #3E1517 | 0.031 |
| Achromatopsia (no color) | #232323 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #381B0B
#381B0B
oklch(25.9% 0.053 47.9)
- #002837
#002837
oklch(25.9% 0.051 228.6)
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 #381B0B, 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 0.022
- Deep Brown #410200 ΔE 0.051
- Mahogany #4A0100 ΔE 0.057
- Dark Maroon #3C0008 ΔE 0.061
- Jet #212529 ΔE 0.062
- Dark #1B2431 ΔE 0.078
- Pakistan Green #283618 ΔE 0.087
Use #381B0B 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.