#3F2B2D

Closest named color: Gunmetal (#293241). oklch(31.4% 0.03 12.3), rgb(63, 43, 45).

Aa

White text reads best on this color (13.16:1).

About this color

#3F2B2D is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.049 away. White text reads best on it, at 13.16:1.

Hue familyNeutrals
Lightnessdark (31%)
Chromaclose to neutral grey (0.030)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.59:1
White text13.16:1

Values

HEX#3F2B2D
RGBrgb(63, 43, 45)
HSLhsl(354, 19%, 21%)
OKLCHoklch(31.4% 0.03 12.3)

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 #3F2B2D 13.16:1 AAA Lc -102.7 Preferred for body text
Black text on #3F2B2D 1.59:1 Fails Lc 0.0 Not readable
#3F2B2D text on white 13.16:1 AAA Lc 99.4 Preferred for body text
#3F2B2D text on black 1.59:1 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

    #F9F4F4

    oklch(97.1% 0.005 17.2)

  2. Step 100

    100

    #F1E7E8

    oklch(93.6% 0.011 10.3)

  3. Step 200

    200

    #E6D4D5

    oklch(88.5% 0.02 13.7)

  4. Step 300

    300

    #D6B8BA

    oklch(80.9% 0.035 13.3)

  5. Step 400

    400

    #C19297

    oklch(70.6% 0.057 11.5)

  6. Step 500

    500

    #B1777D

    oklch(63.1% 0.073 12.6)

  7. Step 600

    600

    #9C6067

    oklch(55.7% 0.079 12.4)

  8. Step 700

    700

    #854F55

    oklch(49.2% 0.073 12.9)

  9. Step 800

    800

    #6C4146

    oklch(42.7% 0.06 12.4)

  10. Step 900

    900

    #58373B

    oklch(37.7% 0.048 11.7)

  11. Step 950

    950 (this color)

    #3F2B2D

    oklch(31.4% 0.03 12.3)

Export this scale for Tailwind in the Tailwind colors tool

#3F2B2D 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)#2E2E2D0.033
Deuteranopia (no green cones)#33322D0.031
Tritanopia (no blue cones)#43292C0.009
Achromatopsia (no color)#3030300.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F2B2D

    #3F2B2D

    oklch(31.4% 0.03 12.3)

  • #1E3635

    #1E3635

    oklch(31.3% 0.03 192.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F2B2D

    #3F2B2D

    oklch(31.4% 0.03 12.3)

  • #3C2B35

    #3C2B35

    oklch(31.3% 0.03 342.9)

  • #3F2C25

    #3F2C25

    oklch(31.3% 0.031 41.1)

Open the analogous palette in the generator

Split complementary

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

  • #3F2B2D

    #3F2B2D

    oklch(31.4% 0.03 12.3)

  • #23362D

    #23362D

    oklch(31.3% 0.03 163.7)

  • #20353C

    #20353C

    oklch(31.4% 0.03 220.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F2B2D

    #3F2B2D

    oklch(31.4% 0.03 12.3)

  • #2B3525

    #2B3525

    oklch(31.4% 0.031 134)

  • #263240

    #263240

    oklch(31.2% 0.03 252.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F2B2D

    #3F2B2D

    oklch(31.4% 0.03 12.3)

  • #343220

    #343220

    oklch(31.4% 0.03 102.6)

  • #1E3635

    #1E3635

    oklch(31.3% 0.03 192.3)

  • #2F2F40

    #2F2F40

    oklch(31.3% 0.03 284.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F2B2D, closest first.

Similar named colors

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

Use #3F2B2D 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.