#3F371C

Closest named color: Pakistan Green (#283618). oklch(33.8% 0.044 93.4), rgb(63, 55, 28).

Aa

White text reads best on this color (11.83:1).

About this color

#3F371C is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.044 and its hue 93°. Its hue sits on the warm side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.041 away. White text reads best on it, at 11.83:1.

Hue familyBrowns
Lightnessdark (34%)
Chromamuted (0.044)
Temperaturewarm
Nearest namePakistan Green (#283618)
Black text1.77:1
White text11.83:1

Values

HEX#3F371C
RGBrgb(63, 55, 28)
HSLhsl(46, 38%, 18%)
OKLCHoklch(33.8% 0.044 93.4)

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.

PairWCAG 2ResultAPCAAPCA guidance
White text on #3F371C 11.83:1 AAA Lc -100.7 Preferred for body text
Black text on #3F371C 1.77:1 Fails Lc 0.0 Not readable
#3F371C text on white 11.83:1 AAA Lc 97.1 Preferred for body text
#3F371C text on black 1.77:1 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 900.

  1. Step 50

    50

    #F6F5F2

    oklch(97% 0.004 91.4)

  2. Step 100

    100

    #ECEAE3

    oklch(93.7% 0.01 93.6)

  3. Step 200

    200

    #DDD9CC

    oklch(88.5% 0.018 92.7)

  4. Step 300

    300

    #C7C1A9

    oklch(80.9% 0.033 95.5)

  5. Step 400

    400

    #ABA07C

    oklch(70.6% 0.051 93.1)

  6. Step 500

    500

    #97895A

    oklch(63.1% 0.067 93.4)

  7. Step 600

    600

    #82733F

    oklch(55.7% 0.074 93.7)

  8. Step 700

    700

    #6E6031

    oklch(49.2% 0.068 93.2)

  9. Step 800

    800

    #594E2A

    oklch(42.6% 0.055 92.9)

  10. Step 900

    900 (this color)

    #3F371C

    oklch(33.8% 0.044 93.4)

  11. Step 950

    950

    #2B2617

    oklch(27% 0.027 91.8)

Export this scale for Tailwind in the Tailwind colors tool

#3F371C 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.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#3C361A0.007
Deuteranopia (no green cones)#3E381D0.003
Tritanopia (no blue cones)#4433310.041
Achromatopsia (no color)#3737370.044

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #3F371C

    #3F371C

    oklch(33.8% 0.044 93.4)

  • #30364E

    #30364E

    oklch(33.8% 0.043 273.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F371C

    #3F371C

    oklch(33.8% 0.044 93.4)

  • #47321F

    #47321F

    oklch(33.6% 0.043 62.7)

  • #333B22

    #333B22

    oklch(33.7% 0.042 123.1)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #3F371C

    #3F371C

    oklch(33.8% 0.044 93.4)

  • #233A4C

    #233A4C

    oklch(33.8% 0.043 243.1)

  • #3C324A

    #3C324A

    oklch(33.8% 0.043 303.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F371C

    #3F371C

    oklch(33.8% 0.044 93.4)

  • #193D45

    #193D45

    oklch(33.7% 0.043 214.3)

  • #452F41

    #452F41

    oklch(33.8% 0.043 333.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F371C

    #3F371C

    oklch(33.8% 0.044 93.4)

  • #1A3F3A

    #1A3F3A

    oklch(33.9% 0.043 183.8)

  • #30364E

    #30364E

    oklch(33.8% 0.043 273.1)

  • #4B2E35

    #4B2E35

    oklch(33.9% 0.044 3.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F371C, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #3F371C 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.