#3F1501

Closest named color: Chocolate Brown (#411900). oklch(25.9% 0.073 44.5), rgb(63, 21, 1).

Aa

White text reads best on this color (15.92:1).

About this color

#3F1501 is a dark, moderately saturated brown. In OKLCH its lightness is 26%, its chroma 0.073 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.012 away. White text reads best on it, at 15.92:1.

Hue familyBrowns
Lightnessdark (26%)
Chromamoderately saturated (0.073)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.31:1
White text15.92:1

Values

HEX#3F1501
RGBrgb(63, 21, 1)
HSLhsl(19, 97%, 13%)
OKLCHoklch(25.9% 0.073 44.5)

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 #3F1501 15.92:1 AAA Lc -105.1 Preferred for body text
Black text on #3F1501 1.31:1 Fails Lc 0.0 Not readable
#3F1501 text on white 15.92:1 AAA Lc 102.4 Preferred for body text
#3F1501 text on black 1.31:1 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

    #FDF3EF

    oklch(97.1% 0.012 43.3)

  2. Step 100

    100

    #F9E5DD

    oklch(93.6% 0.025 43.2)

  3. Step 200

    200

    #F5D0C0

    oklch(88.5% 0.047 44.7)

  4. Step 300

    300

    #F0AF93

    oklch(80.8% 0.086 44.3)

  5. Step 400

    400

    #E68254

    oklch(70.7% 0.137 44.6)

  6. Step 500

    500

    #DC5D11

    oklch(63.1% 0.176 44.5)

  7. Step 600

    600

    #BC4B00

    oklch(55.6% 0.161 44.3)

  8. Step 700

    700

    #9F3F00

    oklch(49.2% 0.141 44.7)

  9. Step 800

    800

    #833200

    oklch(42.7% 0.123 44.4)

  10. Step 900

    900

    #6E2900

    oklch(37.7% 0.109 44.5)

  11. Step 950

    950 (this color)

    #3F1501

    oklch(25.9% 0.073 44.5)

Export this scale for Tailwind in the Tailwind colors tool

#3F1501 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)#211C000.069
Deuteranopia (no green cones)#2B26000.064
Tritanopia (no blue cones)#460A110.038
Achromatopsia (no color)#2222220.073

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F1501

    #3F1501

    oklch(25.9% 0.073 44.5)

  • #002835

    #002835

    oklch(25.8% 0.049 225)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F1501

    #3F1501

    oklch(25.9% 0.073 44.5)

  • #401118

    #401118

    oklch(25.9% 0.073 15)

  • #331F00

    #331F00

    oklch(25.9% 0.055 74.4)

Open the analogous palette in the generator

Split complementary

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

  • #3F1501

    #3F1501

    oklch(25.9% 0.073 44.5)

  • #002A2A

    #002A2A

    oklch(25.8% 0.044 194.8)

  • #062446

    #062446

    oklch(26% 0.073 254.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F1501

    #3F1501

    oklch(25.9% 0.073 44.5)

  • #002C1D

    #002C1D

    oklch(26% 0.055 164.7)

  • #211D45

    #211D45

    oklch(25.9% 0.073 284.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F1501

    #3F1501

    oklch(25.9% 0.073 44.5)

  • #132B01

    #132B01

    oklch(25.9% 0.073 134.5)

  • #002835

    #002835

    oklch(25.8% 0.049 225)

  • #30173C

    #30173C

    oklch(25.9% 0.073 313.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F1501, closest first.

Similar named colors

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

Use #3F1501 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.