#371B11
Closest named color: Dark Brown (#341C02). oklch(25.9% 0.048 40.2), rgb(55, 27, 17).
Aa
White text reads best on this color (15.82:1).
About this color
#371B11 is a dark, muted brown. In OKLCH its lightness is 26%, its chroma 0.048 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.023 away. White text reads best on it, at 15.82:1.
| Hue family | Browns |
| Lightness | dark (26%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.32:1 |
| White text | 15.82:1 |
Values
| HEX | #371B11 |
| RGB | rgb(55, 27, 17) |
| HSL | hsl(16, 53%, 14%) |
| OKLCH | oklch(25.9% 0.048 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 #371B11 | 15.82:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #371B11 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #371B11 text on white | 15.82:1 | AAA | Lc 102.6 | Preferred for body text |
| #371B11 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E2
oklch(93.5% 0.016 36.5)
-
Step 200
200
#EDD3CA
oklch(88.6% 0.032 40.1)
-
Step 300
300
#E2B5A5
oklch(80.9% 0.057 40.5)
-
Step 400
400
#D28D75
oklch(70.7% 0.091 40)
-
Step 500
500
#C46F51
oklch(63% 0.116 40)
-
Step 600
600
#AF5635
oklch(55.6% 0.125 40.4)
-
Step 700
700
#964527
oklch(49% 0.117 40.2)
-
Step 800
800
#7A3A22
oklch(42.7% 0.096 40.6)
-
Step 900
900
#633221
oklch(37.7% 0.076 39.7)
-
Step 950
950 (this color)
#371B11
oklch(25.9% 0.048 40.2)
#371B11 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) | #221F10 | 0.046 |
| Deuteranopia (no green cones) | #292511 | 0.042 |
| Tritanopia (no blue cones) | #3D1619 | 0.025 |
| Achromatopsia (no color) | #222222 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #371B11
#371B11
oklch(25.9% 0.048 40.2)
- #002933
#002933
oklch(25.9% 0.047 218.5)
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 #371B11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.023
- Chocolate Brown #411900 ΔE 0.028
- Deep Brown #410200 ΔE 0.052
- Jet #212529 ΔE 0.057
- Mahogany #4A0100 ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.059
- Dark #1B2431 ΔE 0.072
- Oxford Blue #1B263B ΔE 0.085
Use #371B11 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.