#3F1B0D

Closest named color: Chocolate Brown (#411900). oklch(27.2% 0.061 41.2), rgb(63, 27, 13).

Aa

White text reads best on this color (15.28:1).

About this color

#3F1B0D is a dark, muted brown. In OKLCH its lightness is 27%, its chroma 0.061 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.015 away. White text reads best on it, at 15.28:1.

Hue familyBrowns
Lightnessdark (27%)
Chromamuted (0.061)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.37:1
White text15.28:1

Values

HEX#3F1B0D
RGBrgb(63, 27, 13)
HSLhsl(17, 66%, 15%)
OKLCHoklch(27.2% 0.061 41.2)

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.

PairWCAG 2ResultAPCAAPCA guidance
White text on #3F1B0D 15.28:1 AAA Lc -104.7 Preferred for body text
Black text on #3F1B0D 1.37:1 Fails Lc 0.0 Not readable
#3F1B0D text on white 15.28:1 AAA Lc 101.9 Preferred for body text
#3F1B0D text on black 1.37:1 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.

  1. Step 50

    50

    #FCF3F0

    oklch(97% 0.011 39.4)

  2. Step 100

    100

    #F7E6DF

    oklch(93.7% 0.021 43.9)

  3. Step 200

    200

    #F2D1C5

    oklch(88.5% 0.041 41)

  4. Step 300

    300

    #EAB29D

    oklch(81% 0.072 41.5)

  5. Step 400

    400

    #DD8767

    oklch(70.7% 0.115 41.1)

  6. Step 500

    500

    #D1663B

    oklch(63.1% 0.147 41.5)

  7. Step 600

    600

    #BD4914

    oklch(55.6% 0.161 40.9)

  8. Step 700

    700

    #A33A02

    oklch(49.2% 0.15 41.3)

  9. Step 800

    800

    #84310A

    oklch(42.7% 0.123 41.3)

  10. Step 900

    900

    #6A2C13

    oklch(37.6% 0.096 41)

  11. Step 950

    950 (this color)

    #3F1B0D

    oklch(27.2% 0.061 41.2)

Export this scale for Tailwind in the Tailwind colors tool

#3F1B0D 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)#25200C0.057
Deuteranopia (no green cones)#2D280C0.053
Tritanopia (no blue cones)#4614180.031
Achromatopsia (no color)#2525250.061

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F1B0D

    #3F1B0D

    oklch(27.2% 0.061 41.2)

  • #002C38

    #002C38

    oklch(27.2% 0.05 221.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F1B0D

    #3F1B0D

    oklch(27.2% 0.061 41.2)

  • #3F181F

    #3F181F

    oklch(27% 0.061 10.9)

  • #382100

    #382100

    oklch(27.1% 0.058 71.5)

Open the analogous palette in the generator

Split complementary

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

  • #3F1B0D

    #3F1B0D

    oklch(27.2% 0.061 41.2)

  • #002E2C

    #002E2C

    oklch(27.2% 0.047 190.2)

  • #0D2843

    #0D2843

    oklch(27.2% 0.06 251)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F1B0D

    #3F1B0D

    oklch(27.2% 0.061 41.2)

  • #00301D

    #00301D

    oklch(27.3% 0.061 160.8)

  • #222244

    #222244

    oklch(27.1% 0.062 281.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F1B0D

    #3F1B0D

    oklch(27.2% 0.061 41.2)

  • #1C2D09

    #1C2D09

    oklch(27.3% 0.062 131.1)

  • #002C38

    #002C38

    oklch(27.2% 0.05 221.4)

  • #301D3C

    #301D3C

    oklch(27% 0.061 311.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F1B0D, closest first.

Similar named colors

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

Use #3F1B0D 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.