#3F3F07

Closest named color: Dark Olive (#373E02). oklch(35.6% 0.073 109.6), rgb(63, 63, 7).

Aa

White text reads best on this color (10.90:1).

About this color

#3F3F07 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.073 and its hue 110°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.015 away. White text reads best on it, at 10.90:1.

Hue familyBrowns
Lightnessdark (36%)
Chromamoderately saturated (0.073)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.92:1
White text10.90:1

Values

HEX#3F3F07
RGBrgb(63, 63, 7)
HSLhsl(60, 80%, 14%)
OKLCHoklch(35.6% 0.073 109.6)

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 #3F3F07 10.90:1 AAA Lc -99.0 Preferred for body text
Black text on #3F3F07 1.92:1 Fails Lc 8.7 Not readable
#3F3F07 text on white 10.90:1 AAA Lc 95.2 Preferred for body text
#3F3F07 text on black 1.92:1 Fails Lc -7.5 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

    #F6F6F0

    oklch(97.1% 0.008 106.5)

  2. Step 100

    100

    #EAEBDF

    oklch(93.6% 0.016 110.6)

  3. Step 200

    200

    #DADBC5

    oklch(88.5% 0.03 109.1)

  4. Step 300

    300

    #C2C49C

    oklch(80.8% 0.054 109.9)

  5. Step 400

    400

    #A4A564

    oklch(70.6% 0.087 109.2)

  6. Step 500

    500

    #8E8F36

    oklch(63.1% 0.111 109.8)

  7. Step 600

    600

    #797800

    oklch(55.5% 0.121 109.2)

  8. Step 700

    700

    #656500

    oklch(49.1% 0.107 109.8)

  9. Step 800

    800

    #535300

    oklch(42.8% 0.093 109.8)

  10. Step 900

    900 (this color)

    #3F3F07

    oklch(35.6% 0.073 109.6)

  11. Step 950

    950

    #28280B

    oklch(26.9% 0.046 109.1)

Export this scale for Tailwind in the Tailwind colors tool

#3F3F07 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)#453C000.013
Deuteranopia (no green cones)#463E0C0.014
Tritanopia (no blue cones)#443A350.066
Achromatopsia (no color)#3D3D3D0.073

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F3F07

    #3F3F07

    oklch(35.6% 0.073 109.6)

  • #3C355F

    #3C355F

    oklch(35.7% 0.072 289.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F3F07

    #3F3F07

    oklch(35.6% 0.073 109.6)

  • #503702

    #503702

    oklch(35.6% 0.073 79.6)

  • #26451F

    #26451F

    oklch(35.6% 0.072 140)

Open the analogous palette in the generator

Split complementary

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

  • #3F3F07

    #3F3F07

    oklch(35.6% 0.073 109.6)

  • #243C62

    #243C62

    oklch(35.6% 0.073 259.2)

  • #4D2F54

    #4D2F54

    oklch(35.7% 0.073 319.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F3F07

    #3F3F07

    oklch(35.6% 0.073 109.6)

  • #00425A

    #00425A

    oklch(35.5% 0.071 230.6)

  • #582B42

    #582B42

    oklch(35.7% 0.073 349.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F3F07

    #3F3F07

    oklch(35.6% 0.073 109.6)

  • #004548

    #004548

    oklch(35.5% 0.06 199.7)

  • #3C355F

    #3C355F

    oklch(35.7% 0.072 289.9)

  • #5C2B2C

    #5C2B2C

    oklch(35.6% 0.072 20.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F3F07, closest first.

Similar named colors

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

Use #3F3F07 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.