#371B04
Closest named color: Dark Brown (#341C02). oklch(25.7% 0.056 56.7), rgb(55, 27, 4).
Aa
White text reads best on this color (15.89:1).
About this color
#371B04 is a dark, muted brown. In OKLCH its lightness is 26%, its chroma 0.056 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.008 away. White text reads best on it, at 15.89:1.
| Hue family | Browns |
| Lightness | dark (26%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.32:1 |
| White text | 15.89:1 |
Values
| HEX | #371B04 |
| RGB | rgb(55, 27, 4) |
| HSL | hsl(27, 86%, 12%) |
| OKLCH | oklch(25.7% 0.056 56.7) |
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 #371B04 | 15.89:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #371B04 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #371B04 text on white | 15.89:1 | AAA | Lc 102.6 | Preferred for body text |
| #371B04 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F4E7DE
oklch(93.6% 0.019 57.2)
-
Step 200
200
#EDD4C2
oklch(88.6% 0.037 58)
-
Step 300
300
#E3B697
oklch(80.9% 0.067 56.1)
-
Step 400
400
#D38F5C
oklch(70.7% 0.106 56.9)
-
Step 500
500
#C67127
oklch(63.2% 0.136 56.8)
-
Step 600
600
#AD5A00
oklch(55.6% 0.136 56.3)
-
Step 700
700
#924B00
oklch(49.1% 0.12 56.3)
-
Step 800
800
#783D00
oklch(42.7% 0.104 56.7)
-
Step 900
900
#643304
oklch(37.7% 0.089 56.6)
-
Step 950
950 (this color)
#371B04
oklch(25.7% 0.056 56.7)
#371B04 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) | #231E02 | 0.045 |
| Deuteranopia (no green cones) | #2A2504 | 0.040 |
| Tritanopia (no blue cones) | #3D1516 | 0.037 |
| Achromatopsia (no color) | #222222 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #371B04
#371B04
oklch(25.7% 0.056 56.7)
- #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 #371B04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.008
- Chocolate Brown #411900 ΔE 0.022
- Deep Brown #410200 ΔE 0.054
- Mahogany #4A0100 ΔE 0.060
- Dark Maroon #3C0008 ΔE 0.064
- Jet #212529 ΔE 0.066
- Dark #1B2431 ΔE 0.083
- Pakistan Green #283618 ΔE 0.085
Use #371B04 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.