#3F2F2A

Closest named color: Onyx (#343A40). oklch(32.2% 0.025 38.1), rgb(63, 47, 42).

Aa

White text reads best on this color (12.71:1).

About this color

#3F2F2A is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.044 away. White text reads best on it, at 12.71:1.

Hue familyNeutrals
Lightnessdark (32%)
Chromaclose to neutral grey (0.025)
Temperatureneutral
Nearest nameOnyx (#343A40)
Black text1.65:1
White text12.71:1

Values

HEX#3F2F2A
RGBrgb(63, 47, 42)
HSLhsl(14, 20%, 21%)
OKLCHoklch(32.2% 0.025 38.1)

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 #3F2F2A 12.71:1 AAA Lc -102.1 Preferred for body text
Black text on #3F2F2A 1.65:1 Fails Lc 0.0 Not readable
#3F2F2A text on white 12.71:1 AAA Lc 98.8 Preferred for body text
#3F2F2A text on black 1.65:1 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

    #F8F4F3

    oklch(97% 0.005 34.3)

  2. Step 100

    100

    #EFE8E6

    oklch(93.6% 0.008 36.6)

  3. Step 200

    200

    #E4D6D1

    oklch(88.6% 0.017 40.8)

  4. Step 300

    300

    #D3BBB3

    oklch(81% 0.03 39.3)

  5. Step 400

    400

    #BC978B

    oklch(70.7% 0.048 38.7)

  6. Step 500

    500

    #AB7D6F

    oklch(63.2% 0.061 37.6)

  7. Step 600

    600

    #966657

    oklch(55.7% 0.067 38.1)

  8. Step 700

    700

    #7F5447

    oklch(49% 0.062 37.5)

  9. Step 800

    800

    #68453A

    oklch(42.7% 0.052 38.2)

  10. Step 900

    900

    #543A32

    oklch(37.6% 0.04 37.8)

  11. Step 950

    950 (this color)

    #3F2F2A

    oklch(32.2% 0.025 38.1)

Export this scale for Tailwind in the Tailwind colors tool

#3F2F2A 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)#33312A0.023
Deuteranopia (no green cones)#36342A0.022
Tritanopia (no blue cones)#432D2E0.013
Achromatopsia (no color)#3333330.025

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F2F2A

    #3F2F2A

    oklch(32.2% 0.025 38.1)

  • #25373C

    #25373C

    oklch(32.3% 0.025 216.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F2F2A

    #3F2F2A

    oklch(32.2% 0.025 38.1)

  • #3F2E31

    #3F2E31

    oklch(32.2% 0.025 6.8)

  • #3C3125

    #3C3125

    oklch(32.2% 0.026 69.2)

Open the analogous palette in the generator

Split complementary

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

  • #3F2F2A

    #3F2F2A

    oklch(32.2% 0.025 38.1)

  • #243836

    #243836

    oklch(32.3% 0.026 188.1)

  • #293540

    #293540

    oklch(32.3% 0.025 246.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F2F2A

    #3F2F2A

    oklch(32.2% 0.025 38.1)

  • #29372E

    #29372E

    oklch(32.1% 0.024 156.6)

  • #303240

    #303240

    oklch(32.1% 0.025 278.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F2F2A

    #3F2F2A

    oklch(32.2% 0.025 38.1)

  • #2F3628

    #2F3628

    oklch(32.2% 0.026 129.4)

  • #25373C

    #25373C

    oklch(32.3% 0.025 216.9)

  • #37303D

    #37303D

    oklch(32.2% 0.025 309.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F2F2A, closest first.

Similar named colors

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

Use #3F2F2A 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.